diff options
| author | GitLab Bot <gitlab-bot@gitlab.com> | 2022-11-17 14:33:21 +0300 |
|---|---|---|
| committer | GitLab Bot <gitlab-bot@gitlab.com> | 2022-11-17 14:33:21 +0300 |
| commit | 7021455bd1ed7b125c55eb1b33c5a01f2bc55ee0 (patch) | |
| tree | 5bdc2229f5198d516781f8d24eace62fc7e589e9 /glfm_specification | |
| parent | 185b095e93520f96e9cfc31d9c3e69b498cdab7c (diff) | |
Add latest changes from gitlab-org/gitlab@15-6-stable-eev15.6.0-rc42
Diffstat (limited to 'glfm_specification')
12 files changed, 11644 insertions, 10377 deletions
diff --git a/glfm_specification/input/gitlab_flavored_markdown/glfm_internal_extension_examples.md b/glfm_specification/input/gitlab_flavored_markdown/glfm_internal_extensions.md index 171a8e430d3..d2b94806826 100644 --- a/glfm_specification/input/gitlab_flavored_markdown/glfm_internal_extension_examples.md +++ b/glfm_specification/input/gitlab_flavored_markdown/glfm_internal_extensions.md @@ -1,3 +1,4 @@ +<!-- BEGIN TESTS --> # GitLab Internal Extension Markdown ## Audio @@ -109,3 +110,4 @@ also requires an EE license enabling the `group_wikis` feature: . <p><a href="group-wikis-test-file">group-wikis-test-file</a></p> ```````````````````````````````` +<!-- END TESTS --> diff --git a/glfm_specification/input/gitlab_flavored_markdown/glfm_intro.md b/glfm_specification/input/gitlab_flavored_markdown/glfm_intro.md deleted file mode 100644 index b5351bf37de..00000000000 --- a/glfm_specification/input/gitlab_flavored_markdown/glfm_intro.md +++ /dev/null @@ -1,3 +0,0 @@ -# Introduction - -TODO: Write a GitLab-specific version of the GitHub Flavored Markdown intro section. diff --git a/glfm_specification/input/gitlab_flavored_markdown/glfm_official_specification_examples.md b/glfm_specification/input/gitlab_flavored_markdown/glfm_official_specification.md index f2b62b1a4ac..e45ae62309d 100644 --- a/glfm_specification/input/gitlab_flavored_markdown/glfm_official_specification_examples.md +++ b/glfm_specification/input/gitlab_flavored_markdown/glfm_official_specification.md @@ -1,7 +1,12 @@ +# Introduction + +TODO: Write a GitLab-specific version of the GitHub Flavored Markdown intro section. + +<!-- BEGIN TESTS --> # GitLab Official Specification Markdown Currently, only some of the GitLab-specific markdown features are -listed in this section. We will eventually add all +listed in this section. We may eventually add all GitLab-specific features currently listed as supported in the [user-facing documentation for GitLab Flavored Markdown](https://docs.gitlab.com/ee/user/markdown.html). @@ -275,3 +280,4 @@ A table of contents can be indented with up to three spaces. </nav> <h1>Heading 1</h1> ```````````````````````````````` +<!-- END TESTS --> diff --git a/glfm_specification/output/spec.html b/glfm_specification/output/spec.html deleted file mode 100644 index e57cd344618..00000000000 --- a/glfm_specification/output/spec.html +++ /dev/null @@ -1,9219 +0,0 @@ -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="1:1-4:3" class="code highlight js-syntax-highlight language-yaml" lang="yaml" data-lang-params="frontmatter" v-pre="true"><code><span id="LC1" class="line" lang="yaml"><span class="na">title</span><span class="pi">:</span> <span class="s">GitLab Flavored Markdown (GLFM) Spec</span></span> -<span id="LC2" class="line" lang="yaml"><span class="na">version</span><span class="pi">:</span> <span class="s">alpha</span></span></code></pre> -<copy-code></copy-code> -</div> -<h1 data-sourcepos="6:1-6:14" dir="auto"> -<a id="user-content-introduction" class="anchor" href="#introduction" aria-hidden="true"></a>Introduction</h1> -<p data-sourcepos="8:1-8:84" dir="auto">TODO: Write a GitLab-specific version of the GitHub Flavored Markdown intro section.</p> -<h1 data-sourcepos="10:1-10:15" dir="auto"> -<a id="user-content-preliminaries" class="anchor" href="#preliminaries" aria-hidden="true"></a>Preliminaries</h1> -<h2 data-sourcepos="12:1-12:23" dir="auto"> -<a id="user-content-characters-and-lines" class="anchor" href="#characters-and-lines" aria-hidden="true"></a>Characters and lines</h2> -<p data-sourcepos="14:1-15:9" dir="auto">Any sequence of [characters] is a valid CommonMark -document.</p> -<p data-sourcepos="17:1-20:26" dir="auto">A <a href="@">character</a> is a Unicode code point. Although some -code points (for example, combining accents) do not correspond to -characters in an intuitive sense, all code points count as characters -for purposes of this spec.</p> -<p data-sourcepos="22:1-24:22" dir="auto">This spec does not specify an encoding; it thinks of lines as composed -of [characters] rather than bytes. A conforming parser may be limited -to a certain encoding.</p> -<p data-sourcepos="26:1-28:50" dir="auto">A <a href="@">line</a> is a sequence of zero or more [characters] -other than newline (<code>U+000A</code>) or carriage return (<code>U+000D</code>), -followed by a [line ending] or by the end of file.</p> -<p data-sourcepos="30:1-32:18" dir="auto">A <a href="@">line ending</a> is a newline (<code>U+000A</code>), a carriage return -(<code>U+000D</code>) not followed by a newline, or a carriage return and a -following newline.</p> -<p data-sourcepos="34:1-35:59" dir="auto">A line containing no characters, or a line containing only spaces -(<code>U+0020</code>) or tabs (<code>U+0009</code>), is called a <a href="@">blank line</a>.</p> -<p data-sourcepos="37:1-37:73" dir="auto">The following definitions of character classes will be used in this spec:</p> -<p data-sourcepos="39:1-41:52" dir="auto">A <a href="@">whitespace character</a> is a space -(<code>U+0020</code>), tab (<code>U+0009</code>), newline (<code>U+000A</code>), line tabulation (<code>U+000B</code>), -form feed (<code>U+000C</code>), or carriage return (<code>U+000D</code>).</p> -<p data-sourcepos="43:1-44:12" dir="auto"><a href="@">Whitespace</a> is a sequence of one or more [whitespace -characters].</p> -<p data-sourcepos="46:1-49:11" dir="auto">A <a href="@">Unicode whitespace character</a> is -any code point in the Unicode <code>Zs</code> general category, or a tab (<code>U+0009</code>), -carriage return (<code>U+000D</code>), newline (<code>U+000A</code>), or form feed -(<code>U+000C</code>).</p> -<p data-sourcepos="51:1-52:40" dir="auto"><a href="@">Unicode whitespace</a> is a sequence of one -or more [Unicode whitespace characters].</p> -<p data-sourcepos="54:1-54:25" dir="auto">A <a href="@">space</a> is <code>U+0020</code>.</p> -<p data-sourcepos="56:1-57:37" dir="auto">A <a href="@">non-whitespace character</a> is any character -that is not a [whitespace character].</p> -<p data-sourcepos="59:1-64:38" dir="auto">An <a href="@">ASCII punctuation character</a> -is <code>!</code>, <code>"</code>, <code>#</code>, <code>$</code>, <code>%</code>, <code>&</code>, <code>'</code>, <code>(</code>, <code>)</code>, -<code>*</code>, <code>+</code>, <code>,</code>, <code>-</code>, <code>.</code>, <code>/</code> (U+0021–2F), -<code>:</code>, <code>;</code>, <code><</code>, <code>=</code>, <code>></code>, <code>?</code>, <code>@</code> (U+003A–0040), -<code>[</code>, <code>\</code>, <code>]</code>, <code>^</code>, <code>_</code>, <code>`</code> (U+005B–0060), -<code>{</code>, <code>|</code>, <code>}</code>, or <code>~</code> (U+007B–007E).</p> -<p data-sourcepos="66:1-68:76" dir="auto">A <a href="@">punctuation character</a> is an [ASCII -punctuation character] or anything in -the general Unicode categories <code>Pc</code>, <code>Pd</code>, <code>Pe</code>, <code>Pf</code>, <code>Pi</code>, <code>Po</code>, or <code>Ps</code>.</p> -<h2 data-sourcepos="70:1-70:7" dir="auto"> -<a id="user-content-tabs" class="anchor" href="#tabs" aria-hidden="true"></a>Tabs</h2> -<p data-sourcepos="72:1-75:16" dir="auto">Tabs in lines are not expanded to [spaces]. However, -in contexts where whitespace helps to define block structure, -tabs behave as if they were replaced by spaces with a tab stop -of 4 characters.</p> -<p data-sourcepos="77:1-80:8" dir="auto">Thus, for example, a tab can be used instead of four spaces -in an indented code block. (Note, however, that internal -tabs are passed through as literal tabs, not expanded to -spaces.)</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="82:1-87:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">→foo→baz→→bim</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><pre><code>foo→baz→→bim</span> -<span id="LC4" class="line" lang="plaintext"></code></pre></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="89:1-94:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> →foo→baz→→bim</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><pre><code>foo→baz→→bim</span> -<span id="LC4" class="line" lang="plaintext"></code></pre></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="96:1-103:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> a→a</span> -<span id="LC2" class="line" lang="plaintext"> ὐ→a</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><pre><code>a→a</span> -<span id="LC5" class="line" lang="plaintext">ὐ→a</span> -<span id="LC6" class="line" lang="plaintext"></code></pre></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="105:1-107:38" dir="auto">In the following example, a continuation paragraph of a list -item is indented with a tab; this has exactly the same effect -as indentation with four spaces would:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="109:1-120:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> - foo</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">→bar</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><ul></span> -<span id="LC6" class="line" lang="plaintext"><li></span> -<span id="LC7" class="line" lang="plaintext"><p>foo</p></span> -<span id="LC8" class="line" lang="plaintext"><p>bar</p></span> -<span id="LC9" class="line" lang="plaintext"></li></span> -<span id="LC10" class="line" lang="plaintext"></ul></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="122:1-134:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- foo</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">→→bar</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><ul></span> -<span id="LC6" class="line" lang="plaintext"><li></span> -<span id="LC7" class="line" lang="plaintext"><p>foo</p></span> -<span id="LC8" class="line" lang="plaintext"><pre><code> bar</span> -<span id="LC9" class="line" lang="plaintext"></code></pre></span> -<span id="LC10" class="line" lang="plaintext"></li></span> -<span id="LC11" class="line" lang="plaintext"></ul></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="136:1-143:36" dir="auto">Normally the <code>></code> that begins a block quote may be followed -optionally by a space, which is not considered part of the -content. In the following case <code>></code> is followed by a tab, -which is treated as if it were expanded into three spaces. -Since one of these spaces is considered part of the -delimiter, <code>foo</code> is considered to be indented six spaces -inside the block quote context, so we get an indented -code block starting with two spaces.</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="145:1-152:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">>→→foo</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><blockquote></span> -<span id="LC4" class="line" lang="plaintext"><pre><code> foo</span> -<span id="LC5" class="line" lang="plaintext"></code></pre></span> -<span id="LC6" class="line" lang="plaintext"></blockquote></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="154:1-163:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">-→→foo</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><ul></span> -<span id="LC4" class="line" lang="plaintext"><li></span> -<span id="LC5" class="line" lang="plaintext"><pre><code> foo</span> -<span id="LC6" class="line" lang="plaintext"></code></pre></span> -<span id="LC7" class="line" lang="plaintext"></li></span> -<span id="LC8" class="line" lang="plaintext"></ul></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="166:1-173:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> foo</span> -<span id="LC2" class="line" lang="plaintext">→bar</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><pre><code>foo</span> -<span id="LC5" class="line" lang="plaintext">bar</span> -<span id="LC6" class="line" lang="plaintext"></code></pre></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="175:1-191:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> - foo</span> -<span id="LC2" class="line" lang="plaintext"> - bar</span> -<span id="LC3" class="line" lang="plaintext">→ - baz</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><ul></span> -<span id="LC6" class="line" lang="plaintext"><li>foo</span> -<span id="LC7" class="line" lang="plaintext"><ul></span> -<span id="LC8" class="line" lang="plaintext"><li>bar</span> -<span id="LC9" class="line" lang="plaintext"><ul></span> -<span id="LC10" class="line" lang="plaintext"><li>baz</li></span> -<span id="LC11" class="line" lang="plaintext"></ul></span> -<span id="LC12" class="line" lang="plaintext"></li></span> -<span id="LC13" class="line" lang="plaintext"></ul></span> -<span id="LC14" class="line" lang="plaintext"></li></span> -<span id="LC15" class="line" lang="plaintext"></ul></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="193:1-197:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">#→Foo</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><h1>Foo</h1></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="199:1-203:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">*→*→*→</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><hr /></span></code></pre> -<copy-code></copy-code> -</div> -<h2 data-sourcepos="206:1-206:22" dir="auto"> -<a id="user-content-insecure-characters" class="anchor" href="#insecure-characters" aria-hidden="true"></a>Insecure characters</h2> -<p data-sourcepos="208:1-209:42" dir="auto">For security reasons, the Unicode character <code>U+0000</code> must be replaced -with the REPLACEMENT CHARACTER (<code>U+FFFD</code>).</p> -<h1 data-sourcepos="211:1-211:20" dir="auto"> -<a id="user-content-blocks-and-inlines" class="anchor" href="#blocks-and-inlines" aria-hidden="true"></a>Blocks and inlines</h1> -<p data-sourcepos="213:1-218:54" dir="auto">We can think of a document as a sequence of -<a href="@">blocks</a>---structural elements like paragraphs, block -quotations, lists, headings, rules, and code blocks. Some blocks (like -block quotes and list items) contain other blocks; others (like -headings and paragraphs) contain <a href="@">inline</a> content---text, -links, emphasized text, images, code spans, and so on.</p> -<h2 data-sourcepos="220:1-220:13" dir="auto"> -<a id="user-content-precedence" class="anchor" href="#precedence" aria-hidden="true"></a>Precedence</h2> -<p data-sourcepos="222:1-224:59" dir="auto">Indicators of block structure always take precedence over indicators -of inline structure. So, for example, the following is a list with -two items, not a list with one item containing a code span:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="226:1-234:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- `one</span> -<span id="LC2" class="line" lang="plaintext">- two`</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><ul></span> -<span id="LC5" class="line" lang="plaintext"><li>`one</li></span> -<span id="LC6" class="line" lang="plaintext"><li>two`</li></span> -<span id="LC7" class="line" lang="plaintext"></ul></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="237:1-244:66" dir="auto">This means that parsing can proceed in two steps: first, the block -structure of the document can be discerned; second, text lines inside -paragraphs, headings, and other block constructs can be parsed for inline -structure. The second step requires information about link reference -definitions that will be available only at the end of the first -step. Note that the first step requires processing lines in sequence, -but the second can be parallelized, since the inline parsing of -one block element does not affect the inline parsing of any other.</p> -<h2 data-sourcepos="246:1-246:35" dir="auto"> -<a id="user-content-container-blocks-and-leaf-blocks" class="anchor" href="#container-blocks-and-leaf-blocks" aria-hidden="true"></a>Container blocks and leaf blocks</h2> -<p data-sourcepos="248:1-251:13" dir="auto">We can divide blocks into two types: -<a href="@">container blocks</a>, -which can contain other blocks, and <a href="@">leaf blocks</a>, -which cannot.</p> -<h1 data-sourcepos="253:1-253:13" dir="auto"> -<a id="user-content-leaf-blocks" class="anchor" href="#leaf-blocks" aria-hidden="true"></a>Leaf blocks</h1> -<p data-sourcepos="255:1-256:18" dir="auto">This section describes the different kinds of leaf block that make up a -Markdown document.</p> -<h2 data-sourcepos="258:1-258:18" dir="auto"> -<a id="user-content-thematic-breaks" class="anchor" href="#thematic-breaks" aria-hidden="true"></a>Thematic breaks</h2> -<p data-sourcepos="260:1-263:20" dir="auto">A line consisting of 0-3 spaces of indentation, followed by a sequence -of three or more matching <code>-</code>, <code>_</code>, or <code>*</code> characters, each followed -optionally by any number of spaces or tabs, forms a -<a href="@">thematic break</a>.</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="265:1-273:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">***</span> -<span id="LC2" class="line" lang="plaintext">---</span> -<span id="LC3" class="line" lang="plaintext">___</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><hr /></span> -<span id="LC6" class="line" lang="plaintext"><hr /></span> -<span id="LC7" class="line" lang="plaintext"><hr /></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="276:1-276:17" dir="auto">Wrong characters:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="278:1-282:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">+++</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>+++</p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="285:1-289:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">===</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>===</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="292:1-292:22" dir="auto">Not enough characters:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="294:1-302:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">--</span> -<span id="LC2" class="line" lang="plaintext">**</span> -<span id="LC3" class="line" lang="plaintext">__</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p>--</span> -<span id="LC6" class="line" lang="plaintext">**</span> -<span id="LC7" class="line" lang="plaintext">__</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="305:1-305:39" dir="auto">One to three spaces indent are allowed:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="307:1-315:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> ***</span> -<span id="LC2" class="line" lang="plaintext"> ***</span> -<span id="LC3" class="line" lang="plaintext"> ***</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><hr /></span> -<span id="LC6" class="line" lang="plaintext"><hr /></span> -<span id="LC7" class="line" lang="plaintext"><hr /></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="318:1-318:24" dir="auto">Four spaces is too many:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="320:1-325:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> ***</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><pre><code>***</span> -<span id="LC4" class="line" lang="plaintext"></code></pre></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="328:1-334:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">Foo</span> -<span id="LC2" class="line" lang="plaintext"> ***</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><p>Foo</span> -<span id="LC5" class="line" lang="plaintext">***</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="337:1-337:39" dir="auto">More than three characters may be used:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="339:1-343:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">_____________________________________</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><hr /></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="346:1-346:42" dir="auto">Spaces are allowed between the characters:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="348:1-352:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> - - -</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><hr /></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="355:1-359:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> ** * ** * ** * **</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><hr /></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="362:1-366:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- - - -</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><hr /></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="369:1-369:30" dir="auto">Spaces are allowed at the end:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="371:1-375:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- - - - </span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><hr /></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="378:1-378:51" dir="auto">However, no other characters may occur in the line:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="380:1-390:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">_ _ _ _ a</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">a------</span> -<span id="LC4" class="line" lang="plaintext"></span> -<span id="LC5" class="line" lang="plaintext">---a---</span> -<span id="LC6" class="line" lang="plaintext">.</span> -<span id="LC7" class="line" lang="plaintext"><p>_ _ _ _ a</p></span> -<span id="LC8" class="line" lang="plaintext"><p>a------</p></span> -<span id="LC9" class="line" lang="plaintext"><p>---a---</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="393:1-394:33" dir="auto">It is required that all of the [non-whitespace characters] be the same. -So, this is not a thematic break:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="396:1-400:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> *-*</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><em>-</em></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="403:1-403:56" dir="auto">Thematic breaks do not need blank lines before or after:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="405:1-417:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- foo</span> -<span id="LC2" class="line" lang="plaintext">***</span> -<span id="LC3" class="line" lang="plaintext">- bar</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><ul></span> -<span id="LC6" class="line" lang="plaintext"><li>foo</li></span> -<span id="LC7" class="line" lang="plaintext"></ul></span> -<span id="LC8" class="line" lang="plaintext"><hr /></span> -<span id="LC9" class="line" lang="plaintext"><ul></span> -<span id="LC10" class="line" lang="plaintext"><li>bar</li></span> -<span id="LC11" class="line" lang="plaintext"></ul></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="420:1-420:42" dir="auto">Thematic breaks can interrupt a paragraph:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="422:1-430:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">Foo</span> -<span id="LC2" class="line" lang="plaintext">***</span> -<span id="LC3" class="line" lang="plaintext">bar</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p>Foo</p></span> -<span id="LC6" class="line" lang="plaintext"><hr /></span> -<span id="LC7" class="line" lang="plaintext"><p>bar</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="433:1-437:71" dir="auto">If a line of dashes that meets the above conditions for being a -thematic break could also be interpreted as the underline of a [setext -heading], the interpretation as a -[setext heading] takes precedence. Thus, for example, -this is a setext heading, not a paragraph followed by a thematic break:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="439:1-446:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">Foo</span> -<span id="LC2" class="line" lang="plaintext">---</span> -<span id="LC3" class="line" lang="plaintext">bar</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><h2>Foo</h2></span> -<span id="LC6" class="line" lang="plaintext"><p>bar</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="449:1-450:63" dir="auto">When both a thematic break and a list item are possible -interpretations of a line, the thematic break takes precedence:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="452:1-464:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">* Foo</span> -<span id="LC2" class="line" lang="plaintext">* * *</span> -<span id="LC3" class="line" lang="plaintext">* Bar</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><ul></span> -<span id="LC6" class="line" lang="plaintext"><li>Foo</li></span> -<span id="LC7" class="line" lang="plaintext"></ul></span> -<span id="LC8" class="line" lang="plaintext"><hr /></span> -<span id="LC9" class="line" lang="plaintext"><ul></span> -<span id="LC10" class="line" lang="plaintext"><li>Bar</li></span> -<span id="LC11" class="line" lang="plaintext"></ul></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="467:1-467:68" dir="auto">If you want a thematic break in a list item, use a different bullet:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="469:1-479:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- Foo</span> -<span id="LC2" class="line" lang="plaintext">- * * *</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><ul></span> -<span id="LC5" class="line" lang="plaintext"><li>Foo</li></span> -<span id="LC6" class="line" lang="plaintext"><li></span> -<span id="LC7" class="line" lang="plaintext"><hr /></span> -<span id="LC8" class="line" lang="plaintext"></li></span> -<span id="LC9" class="line" lang="plaintext"></ul></span></code></pre> -<copy-code></copy-code> -</div> -<h2 data-sourcepos="482:1-482:15" dir="auto"> -<a id="user-content-atx-headings" class="anchor" href="#atx-headings" aria-hidden="true"></a>ATX headings</h2> -<p data-sourcepos="484:1-494:35" dir="auto">An <a href="@">ATX heading</a> -consists of a string of characters, parsed as inline content, between an -opening sequence of 1--6 unescaped <code>#</code> characters and an optional -closing sequence of any number of unescaped <code>#</code> characters. -The opening sequence of <code>#</code> characters must be followed by a -[space] or by the end of line. The optional closing sequence of <code>#</code>s must be -preceded by a [space] and may be followed by spaces only. The opening -<code>#</code> character may be indented 0-3 spaces. The raw contents of the -heading are stripped of leading and trailing spaces before being parsed -as inline content. The heading level is equal to the number of <code>#</code> -characters in the opening sequence.</p> -<p data-sourcepos="496:1-496:16" dir="auto">Simple headings:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="498:1-512:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"># foo</span> -<span id="LC2" class="line" lang="plaintext">## foo</span> -<span id="LC3" class="line" lang="plaintext">### foo</span> -<span id="LC4" class="line" lang="plaintext">#### foo</span> -<span id="LC5" class="line" lang="plaintext">##### foo</span> -<span id="LC6" class="line" lang="plaintext">###### foo</span> -<span id="LC7" class="line" lang="plaintext">.</span> -<span id="LC8" class="line" lang="plaintext"><h1>foo</h1></span> -<span id="LC9" class="line" lang="plaintext"><h2>foo</h2></span> -<span id="LC10" class="line" lang="plaintext"><h3>foo</h3></span> -<span id="LC11" class="line" lang="plaintext"><h4>foo</h4></span> -<span id="LC12" class="line" lang="plaintext"><h5>foo</h5></span> -<span id="LC13" class="line" lang="plaintext"><h6>foo</h6></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="515:1-515:46" dir="auto">More than six <code>#</code> characters is not a heading:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="517:1-521:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">####### foo</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>####### foo</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="524:1-530:9" dir="auto">At least one space is required between the <code>#</code> characters and the -heading's contents, unless the heading is empty. Note that many -implementations currently do not require the space. However, the -space was required by the -<a href="http://www.aaronsw.com/2002/atx/atx.py" rel="nofollow noreferrer noopener" target="_blank">original ATX implementation</a>, -and it helps prevent things like the following from being parsed as -headings:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="532:1-539:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">#5 bolt</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">#hashtag</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p>#5 bolt</p></span> -<span id="LC6" class="line" lang="plaintext"><p>#hashtag</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="542:1-542:56" dir="auto">This is not a heading, because the first <code>#</code> is escaped:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="544:1-548:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">\## foo</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>## foo</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="551:1-551:31" dir="auto">Contents are parsed as inlines:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="553:1-557:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"># foo *bar* \*baz\*</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><h1>foo <em>bar</em> *baz*</h1></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="560:1-560:71" dir="auto">Leading and trailing [whitespace] is ignored in parsing inline content:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="562:1-566:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"># foo </span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><h1>foo</h1></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="569:1-569:44" dir="auto">One to three spaces indentation are allowed:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="571:1-579:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> ### foo</span> -<span id="LC2" class="line" lang="plaintext"> ## foo</span> -<span id="LC3" class="line" lang="plaintext"> # foo</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><h3>foo</h3></span> -<span id="LC6" class="line" lang="plaintext"><h2>foo</h2></span> -<span id="LC7" class="line" lang="plaintext"><h1>foo</h1></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="582:1-582:25" dir="auto">Four spaces are too much:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="584:1-589:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> # foo</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><pre><code># foo</span> -<span id="LC4" class="line" lang="plaintext"></code></pre></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="592:1-598:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo</span> -<span id="LC2" class="line" lang="plaintext"> # bar</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><p>foo</span> -<span id="LC5" class="line" lang="plaintext"># bar</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="601:1-601:49" dir="auto">A closing sequence of <code>#</code> characters is optional:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="603:1-609:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">## foo ##</span> -<span id="LC2" class="line" lang="plaintext"> ### bar ###</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><h2>foo</h2></span> -<span id="LC5" class="line" lang="plaintext"><h3>bar</h3></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="612:1-612:55" dir="auto">It need not be the same length as the opening sequence:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="614:1-620:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"># foo ##################################</span> -<span id="LC2" class="line" lang="plaintext">##### foo ##</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><h1>foo</h1></span> -<span id="LC5" class="line" lang="plaintext"><h5>foo</h5></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="623:1-623:46" dir="auto">Spaces are allowed after the closing sequence:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="625:1-629:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">### foo ### </span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><h3>foo</h3></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="632:1-634:8" dir="auto">A sequence of <code>#</code> characters with anything but [spaces] following it -is not a closing sequence, but counts as part of the contents of the -heading:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="636:1-640:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">### foo ### b</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><h3>foo ### b</h3></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="643:1-643:49" dir="auto">The closing sequence must be preceded by a space:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="645:1-649:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"># foo#</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><h1>foo#</h1></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="652:1-653:24" dir="auto">Backslash-escaped <code>#</code> characters do not count as part -of the closing sequence:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="655:1-663:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">### foo \###</span> -<span id="LC2" class="line" lang="plaintext">## foo #\##</span> -<span id="LC3" class="line" lang="plaintext"># foo \#</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><h3>foo ###</h3></span> -<span id="LC6" class="line" lang="plaintext"><h2>foo ###</h2></span> -<span id="LC7" class="line" lang="plaintext"><h1>foo #</h1></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="666:1-667:41" dir="auto">ATX headings need not be separated from surrounding content by blank -lines, and they can interrupt paragraphs:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="669:1-677:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">****</span> -<span id="LC2" class="line" lang="plaintext">## foo</span> -<span id="LC3" class="line" lang="plaintext">****</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><hr /></span> -<span id="LC6" class="line" lang="plaintext"><h2>foo</h2></span> -<span id="LC7" class="line" lang="plaintext"><hr /></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="680:1-688:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">Foo bar</span> -<span id="LC2" class="line" lang="plaintext"># baz</span> -<span id="LC3" class="line" lang="plaintext">Bar foo</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p>Foo bar</p></span> -<span id="LC6" class="line" lang="plaintext"><h1>baz</h1></span> -<span id="LC7" class="line" lang="plaintext"><p>Bar foo</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="691:1-691:26" dir="auto">ATX headings can be empty:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="693:1-701:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">## </span> -<span id="LC2" class="line" lang="plaintext">#</span> -<span id="LC3" class="line" lang="plaintext">### ###</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><h2></h2></span> -<span id="LC6" class="line" lang="plaintext"><h1></h1></span> -<span id="LC7" class="line" lang="plaintext"><h3></h3></span></code></pre> -<copy-code></copy-code> -</div> -<h2 data-sourcepos="704:1-704:18" dir="auto"> -<a id="user-content-setext-headings" class="anchor" href="#setext-headings" aria-hidden="true"></a>Setext headings</h2> -<p data-sourcepos="706:1-714:54" dir="auto">A <a href="@">setext heading</a> consists of one or more -lines of text, each containing at least one [non-whitespace -character], with no more than 3 spaces indentation, followed by -a [setext heading underline]. The lines of text must be such -that, were they not followed by the setext heading underline, -they would be interpreted as a paragraph: they cannot be -interpretable as a [code fence], [ATX heading][ATX headings], -[block quote][block quotes], [thematic break][thematic breaks], -[list item][list items], or [HTML block][HTML blocks].</p> -<p data-sourcepos="716:1-721:40" dir="auto">A <a href="@">setext heading underline</a> is a sequence of -<code>=</code> characters or a sequence of <code>-</code> characters, with no more than 3 -spaces indentation and any number of trailing spaces. If a line -containing a single <code>-</code> can be interpreted as an -empty [list items], it should be interpreted this way -and not as a [setext heading underline].</p> -<p data-sourcepos="723:1-727:8" dir="auto">The heading is a level 1 heading if <code>=</code> characters are used in -the [setext heading underline], and a level 2 heading if <code>-</code> -characters are used. The contents of the heading are the result -of parsing the preceding lines of text as CommonMark inline -content.</p> -<p data-sourcepos="729:1-732:5" dir="auto">In general, a setext heading need not be preceded or followed by a -blank line. However, it cannot interrupt a paragraph, so when a -setext heading comes after a paragraph, a blank line is needed between -them.</p> -<p data-sourcepos="734:1-734:16" dir="auto">Simple examples:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="736:1-745:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">Foo *bar*</span> -<span id="LC2" class="line" lang="plaintext">=========</span> -<span id="LC3" class="line" lang="plaintext"></span> -<span id="LC4" class="line" lang="plaintext">Foo *bar*</span> -<span id="LC5" class="line" lang="plaintext">---------</span> -<span id="LC6" class="line" lang="plaintext">.</span> -<span id="LC7" class="line" lang="plaintext"><h1>Foo <em>bar</em></h1></span> -<span id="LC8" class="line" lang="plaintext"><h2>Foo <em>bar</em></h2></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="748:1-748:54" dir="auto">The content of the header may span more than one line:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="750:1-757:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">Foo *bar</span> -<span id="LC2" class="line" lang="plaintext">baz*</span> -<span id="LC3" class="line" lang="plaintext">====</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><h1>Foo <em>bar</span> -<span id="LC6" class="line" lang="plaintext">baz</em></h1></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="759:1-762:13" dir="auto">The contents are the result of parsing the headings's raw -content as inlines. The heading's raw content is formed by -concatenating the lines and removing initial and final -[whitespace].</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="764:1-771:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> Foo *bar</span> -<span id="LC2" class="line" lang="plaintext">baz*→</span> -<span id="LC3" class="line" lang="plaintext">====</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><h1>Foo <em>bar</span> -<span id="LC6" class="line" lang="plaintext">baz</em></h1></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="774:1-774:34" dir="auto">The underlining can be any length:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="776:1-785:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">Foo</span> -<span id="LC2" class="line" lang="plaintext">-------------------------</span> -<span id="LC3" class="line" lang="plaintext"></span> -<span id="LC4" class="line" lang="plaintext">Foo</span> -<span id="LC5" class="line" lang="plaintext">=</span> -<span id="LC6" class="line" lang="plaintext">.</span> -<span id="LC7" class="line" lang="plaintext"><h2>Foo</h2></span> -<span id="LC8" class="line" lang="plaintext"><h1>Foo</h1></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="788:1-789:33" dir="auto">The heading content can be indented up to three spaces, and need -not line up with the underlining:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="791:1-804:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> Foo</span> -<span id="LC2" class="line" lang="plaintext">---</span> -<span id="LC3" class="line" lang="plaintext"></span> -<span id="LC4" class="line" lang="plaintext"> Foo</span> -<span id="LC5" class="line" lang="plaintext">-----</span> -<span id="LC6" class="line" lang="plaintext"></span> -<span id="LC7" class="line" lang="plaintext"> Foo</span> -<span id="LC8" class="line" lang="plaintext"> ===</span> -<span id="LC9" class="line" lang="plaintext">.</span> -<span id="LC10" class="line" lang="plaintext"><h2>Foo</h2></span> -<span id="LC11" class="line" lang="plaintext"><h2>Foo</h2></span> -<span id="LC12" class="line" lang="plaintext"><h1>Foo</h1></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="807:1-807:31" dir="auto">Four spaces indent is too much:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="809:1-822:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> Foo</span> -<span id="LC2" class="line" lang="plaintext"> ---</span> -<span id="LC3" class="line" lang="plaintext"></span> -<span id="LC4" class="line" lang="plaintext"> Foo</span> -<span id="LC5" class="line" lang="plaintext">---</span> -<span id="LC6" class="line" lang="plaintext">.</span> -<span id="LC7" class="line" lang="plaintext"><pre><code>Foo</span> -<span id="LC8" class="line" lang="plaintext">---</span> -<span id="LC9" class="line" lang="plaintext"></span> -<span id="LC10" class="line" lang="plaintext">Foo</span> -<span id="LC11" class="line" lang="plaintext"></code></pre></span> -<span id="LC12" class="line" lang="plaintext"><hr /></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="825:1-826:25" dir="auto">The setext heading underline can be indented up to three spaces, and -may have trailing spaces:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="828:1-833:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">Foo</span> -<span id="LC2" class="line" lang="plaintext"> ---- </span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><h2>Foo</h2></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="836:1-836:24" dir="auto">Four spaces is too much:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="838:1-844:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">Foo</span> -<span id="LC2" class="line" lang="plaintext"> ---</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><p>Foo</span> -<span id="LC5" class="line" lang="plaintext">---</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="847:1-847:60" dir="auto">The setext heading underline cannot contain internal spaces:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="849:1-860:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">Foo</span> -<span id="LC2" class="line" lang="plaintext">= =</span> -<span id="LC3" class="line" lang="plaintext"></span> -<span id="LC4" class="line" lang="plaintext">Foo</span> -<span id="LC5" class="line" lang="plaintext">--- -</span> -<span id="LC6" class="line" lang="plaintext">.</span> -<span id="LC7" class="line" lang="plaintext"><p>Foo</span> -<span id="LC8" class="line" lang="plaintext">= =</p></span> -<span id="LC9" class="line" lang="plaintext"><p>Foo</p></span> -<span id="LC10" class="line" lang="plaintext"><hr /></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="863:1-863:62" dir="auto">Trailing spaces in the content line do not cause a line break:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="865:1-870:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">Foo </span> -<span id="LC2" class="line" lang="plaintext">-----</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><h2>Foo</h2></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="873:1-873:32" dir="auto">Nor does a backslash at the end:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="875:1-880:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">Foo\</span> -<span id="LC2" class="line" lang="plaintext">----</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><h2>Foo\</h2></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="883:1-884:66" dir="auto">Since indicators of block structure take precedence over -indicators of inline structure, the following are setext headings:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="886:1-899:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">`Foo</span> -<span id="LC2" class="line" lang="plaintext">----</span> -<span id="LC3" class="line" lang="plaintext">`</span> -<span id="LC4" class="line" lang="plaintext"></span> -<span id="LC5" class="line" lang="plaintext"><a title="a lot</span> -<span id="LC6" class="line" lang="plaintext">---</span> -<span id="LC7" class="line" lang="plaintext">of dashes"/></span> -<span id="LC8" class="line" lang="plaintext">.</span> -<span id="LC9" class="line" lang="plaintext"><h2>`Foo</h2></span> -<span id="LC10" class="line" lang="plaintext"><p>`</p></span> -<span id="LC11" class="line" lang="plaintext"><h2>&lt;a title=&quot;a lot</h2></span> -<span id="LC12" class="line" lang="plaintext"><p>of dashes&quot;/&gt;</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="902:1-903:36" dir="auto">The setext heading underline cannot be a [lazy continuation -line] in a list item or block quote:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="905:1-913:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">> Foo</span> -<span id="LC2" class="line" lang="plaintext">---</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><blockquote></span> -<span id="LC5" class="line" lang="plaintext"><p>Foo</p></span> -<span id="LC6" class="line" lang="plaintext"></blockquote></span> -<span id="LC7" class="line" lang="plaintext"><hr /></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="916:1-926:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">> foo</span> -<span id="LC2" class="line" lang="plaintext">bar</span> -<span id="LC3" class="line" lang="plaintext">===</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><blockquote></span> -<span id="LC6" class="line" lang="plaintext"><p>foo</span> -<span id="LC7" class="line" lang="plaintext">bar</span> -<span id="LC8" class="line" lang="plaintext">===</p></span> -<span id="LC9" class="line" lang="plaintext"></blockquote></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="929:1-937:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- Foo</span> -<span id="LC2" class="line" lang="plaintext">---</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><ul></span> -<span id="LC5" class="line" lang="plaintext"><li>Foo</li></span> -<span id="LC6" class="line" lang="plaintext"></ul></span> -<span id="LC7" class="line" lang="plaintext"><hr /></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="940:1-942:25" dir="auto">A blank line is needed between a paragraph and a following -setext heading, since otherwise the paragraph becomes part -of the heading's content:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="944:1-951:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">Foo</span> -<span id="LC2" class="line" lang="plaintext">Bar</span> -<span id="LC3" class="line" lang="plaintext">---</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><h2>Foo</span> -<span id="LC6" class="line" lang="plaintext">Bar</h2></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="954:1-955:16" dir="auto">But in general a blank line is not required before or after -setext headings:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="957:1-969:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">---</span> -<span id="LC2" class="line" lang="plaintext">Foo</span> -<span id="LC3" class="line" lang="plaintext">---</span> -<span id="LC4" class="line" lang="plaintext">Bar</span> -<span id="LC5" class="line" lang="plaintext">---</span> -<span id="LC6" class="line" lang="plaintext">Baz</span> -<span id="LC7" class="line" lang="plaintext">.</span> -<span id="LC8" class="line" lang="plaintext"><hr /></span> -<span id="LC9" class="line" lang="plaintext"><h2>Foo</h2></span> -<span id="LC10" class="line" lang="plaintext"><h2>Bar</h2></span> -<span id="LC11" class="line" lang="plaintext"><p>Baz</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="972:1-972:32" dir="auto">Setext headings cannot be empty:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="974:1-979:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"></span> -<span id="LC2" class="line" lang="plaintext">====</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><p>====</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="982:1-984:55" dir="auto">Setext heading text lines must not be interpretable as block -constructs other than paragraphs. So, the line of dashes -in these examples gets interpreted as a thematic break:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="986:1-992:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">---</span> -<span id="LC2" class="line" lang="plaintext">---</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><hr /></span> -<span id="LC5" class="line" lang="plaintext"><hr /></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="995:1-1003:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- foo</span> -<span id="LC2" class="line" lang="plaintext">-----</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><ul></span> -<span id="LC5" class="line" lang="plaintext"><li>foo</li></span> -<span id="LC6" class="line" lang="plaintext"></ul></span> -<span id="LC7" class="line" lang="plaintext"><hr /></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="1006:1-1013:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> foo</span> -<span id="LC2" class="line" lang="plaintext">---</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><pre><code>foo</span> -<span id="LC5" class="line" lang="plaintext"></code></pre></span> -<span id="LC6" class="line" lang="plaintext"><hr /></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="1016:1-1024:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">> foo</span> -<span id="LC2" class="line" lang="plaintext">-----</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><blockquote></span> -<span id="LC5" class="line" lang="plaintext"><p>foo</p></span> -<span id="LC6" class="line" lang="plaintext"></blockquote></span> -<span id="LC7" class="line" lang="plaintext"><hr /></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="1027:1-1028:22" dir="auto">If you want a heading with <code>> foo</code> as its literal text, you can -use backslash escapes:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="1030:1-1035:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">\> foo</span> -<span id="LC2" class="line" lang="plaintext">------</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><h2>&gt; foo</h2></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="1038:1-1040:48" dir="auto"><strong>Compatibility note:</strong> Most existing Markdown implementations -do not allow the text of setext headings to span multiple lines. -But there is no consensus about how to interpret</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="1042:1-1047:3" class="code highlight js-syntax-highlight language-markdown" lang="markdown" v-pre="true"><code><span id="LC1" class="line" lang="markdown">Foo</span> -<span id="LC2" class="line" lang="markdown"><span class="gh">bar</span></span> -<span id="LC3" class="line" lang="markdown"><span class="gh">---</span></span> -<span id="LC4" class="line" lang="markdown">baz</span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="1049:1-1049:44" dir="auto">One can find four different interpretations:</p> -<ol data-sourcepos="1051:1-1055:0" dir="auto"> -<li data-sourcepos="1051:1-1051:50">paragraph "Foo", heading "bar", paragraph "baz"</li> -<li data-sourcepos="1052:1-1052:55">paragraph "Foo bar", thematic break, paragraph "baz"</li> -<li data-sourcepos="1053:1-1053:30">paragraph "Foo bar --- baz"</li> -<li data-sourcepos="1054:1-1055:0">heading "Foo bar", paragraph "baz"</li> -</ol> -<p data-sourcepos="1056:1-1059:43" dir="auto">We find interpretation 4 most natural, and interpretation 4 -increases the expressive power of CommonMark, by allowing -multiline headings. Authors who want interpretation 1 can -put a blank line after the first paragraph:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="1061:1-1071:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">Foo</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">bar</span> -<span id="LC4" class="line" lang="plaintext">---</span> -<span id="LC5" class="line" lang="plaintext">baz</span> -<span id="LC6" class="line" lang="plaintext">.</span> -<span id="LC7" class="line" lang="plaintext"><p>Foo</p></span> -<span id="LC8" class="line" lang="plaintext"><h2>bar</h2></span> -<span id="LC9" class="line" lang="plaintext"><p>baz</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="1074:1-1075:19" dir="auto">Authors who want interpretation 2 can put blank lines around -the thematic break,</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="1077:1-1089:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">Foo</span> -<span id="LC2" class="line" lang="plaintext">bar</span> -<span id="LC3" class="line" lang="plaintext"></span> -<span id="LC4" class="line" lang="plaintext">---</span> -<span id="LC5" class="line" lang="plaintext"></span> -<span id="LC6" class="line" lang="plaintext">baz</span> -<span id="LC7" class="line" lang="plaintext">.</span> -<span id="LC8" class="line" lang="plaintext"><p>Foo</span> -<span id="LC9" class="line" lang="plaintext">bar</p></span> -<span id="LC10" class="line" lang="plaintext"><hr /></span> -<span id="LC11" class="line" lang="plaintext"><p>baz</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="1092:1-1093:19" dir="auto">or use a thematic break that cannot count as a [setext heading -underline], such as</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="1095:1-1105:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">Foo</span> -<span id="LC2" class="line" lang="plaintext">bar</span> -<span id="LC3" class="line" lang="plaintext">* * *</span> -<span id="LC4" class="line" lang="plaintext">baz</span> -<span id="LC5" class="line" lang="plaintext">.</span> -<span id="LC6" class="line" lang="plaintext"><p>Foo</span> -<span id="LC7" class="line" lang="plaintext">bar</p></span> -<span id="LC8" class="line" lang="plaintext"><hr /></span> -<span id="LC9" class="line" lang="plaintext"><p>baz</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="1108:1-1108:60" dir="auto">Authors who want interpretation 3 can use backslash escapes:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="1110:1-1120:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">Foo</span> -<span id="LC2" class="line" lang="plaintext">bar</span> -<span id="LC3" class="line" lang="plaintext">\---</span> -<span id="LC4" class="line" lang="plaintext">baz</span> -<span id="LC5" class="line" lang="plaintext">.</span> -<span id="LC6" class="line" lang="plaintext"><p>Foo</span> -<span id="LC7" class="line" lang="plaintext">bar</span> -<span id="LC8" class="line" lang="plaintext">---</span> -<span id="LC9" class="line" lang="plaintext">baz</p></span></code></pre> -<copy-code></copy-code> -</div> -<h2 data-sourcepos="1123:1-1123:23" dir="auto"> -<a id="user-content-indented-code-blocks" class="anchor" href="#indented-code-blocks" aria-hidden="true"></a>Indented code blocks</h2> -<p data-sourcepos="1125:1-1131:44" dir="auto">An <a href="@">indented code block</a> is composed of one or more -[indented chunks] separated by blank lines. -An <a href="@">indented chunk</a> is a sequence of non-blank lines, -each indented four or more spaces. The contents of the code block are -the literal contents of the lines, including trailing -[line endings], minus four spaces of indentation. -An indented code block has no [info string].</p> -<p data-sourcepos="1133:1-1136:11" dir="auto">An indented code block cannot interrupt a paragraph, so there must be -a blank line between a paragraph and a following indented code block. -(A blank line is not needed, however, between a code block and a following -paragraph.)</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="1138:1-1145:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> a simple</span> -<span id="LC2" class="line" lang="plaintext"> indented code block</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><pre><code>a simple</span> -<span id="LC5" class="line" lang="plaintext"> indented code block</span> -<span id="LC6" class="line" lang="plaintext"></code></pre></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="1148:1-1150:65" dir="auto">If there is any ambiguity between an interpretation of indentation -as a code block and as indicating that material belongs to a [list -item][list items], the list item interpretation takes precedence:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="1152:1-1163:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> - foo</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext"> bar</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><ul></span> -<span id="LC6" class="line" lang="plaintext"><li></span> -<span id="LC7" class="line" lang="plaintext"><p>foo</p></span> -<span id="LC8" class="line" lang="plaintext"><p>bar</p></span> -<span id="LC9" class="line" lang="plaintext"></li></span> -<span id="LC10" class="line" lang="plaintext"></ul></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="1166:1-1179:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">1. foo</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext"> - bar</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><ol></span> -<span id="LC6" class="line" lang="plaintext"><li></span> -<span id="LC7" class="line" lang="plaintext"><p>foo</p></span> -<span id="LC8" class="line" lang="plaintext"><ul></span> -<span id="LC9" class="line" lang="plaintext"><li>bar</li></span> -<span id="LC10" class="line" lang="plaintext"></ul></span> -<span id="LC11" class="line" lang="plaintext"></li></span> -<span id="LC12" class="line" lang="plaintext"></ol></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="1183:1-1184:12" dir="auto">The contents of a code block are literal text, and do not get parsed -as Markdown:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="1186:1-1197:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> <a/></span> -<span id="LC2" class="line" lang="plaintext"> *hi*</span> -<span id="LC3" class="line" lang="plaintext"></span> -<span id="LC4" class="line" lang="plaintext"> - one</span> -<span id="LC5" class="line" lang="plaintext">.</span> -<span id="LC6" class="line" lang="plaintext"><pre><code>&lt;a/&gt;</span> -<span id="LC7" class="line" lang="plaintext">*hi*</span> -<span id="LC8" class="line" lang="plaintext"></span> -<span id="LC9" class="line" lang="plaintext">- one</span> -<span id="LC10" class="line" lang="plaintext"></code></pre></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="1200:1-1200:51" dir="auto">Here we have three chunks separated by blank lines:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="1202:1-1219:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> chunk1</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext"> chunk2</span> -<span id="LC4" class="line" lang="plaintext"> </span> -<span id="LC5" class="line" lang="plaintext"> </span> -<span id="LC6" class="line" lang="plaintext"> </span> -<span id="LC7" class="line" lang="plaintext"> chunk3</span> -<span id="LC8" class="line" lang="plaintext">.</span> -<span id="LC9" class="line" lang="plaintext"><pre><code>chunk1</span> -<span id="LC10" class="line" lang="plaintext"></span> -<span id="LC11" class="line" lang="plaintext">chunk2</span> -<span id="LC12" class="line" lang="plaintext"></span> -<span id="LC13" class="line" lang="plaintext"></span> -<span id="LC14" class="line" lang="plaintext"></span> -<span id="LC15" class="line" lang="plaintext">chunk3</span> -<span id="LC16" class="line" lang="plaintext"></code></pre></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="1222:1-1223:24" dir="auto">Any initial spaces beyond four will be included in the content, even -in interior blank lines:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="1225:1-1234:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> chunk1</span> -<span id="LC2" class="line" lang="plaintext"> </span> -<span id="LC3" class="line" lang="plaintext"> chunk2</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><pre><code>chunk1</span> -<span id="LC6" class="line" lang="plaintext"> </span> -<span id="LC7" class="line" lang="plaintext"> chunk2</span> -<span id="LC8" class="line" lang="plaintext"></code></pre></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="1237:1-1238:37" dir="auto">An indented code block cannot interrupt a paragraph. (This -allows hanging indents and the like.)</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="1240:1-1247:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">Foo</span> -<span id="LC2" class="line" lang="plaintext"> bar</span> -<span id="LC3" class="line" lang="plaintext"></span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p>Foo</span> -<span id="LC6" class="line" lang="plaintext">bar</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="1250:1-1252:20" dir="auto">However, any non-blank line with fewer than four leading spaces ends -the code block immediately. So a paragraph may occur immediately -after indented code:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="1254:1-1261:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> foo</span> -<span id="LC2" class="line" lang="plaintext">bar</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><pre><code>foo</span> -<span id="LC5" class="line" lang="plaintext"></code></pre></span> -<span id="LC6" class="line" lang="plaintext"><p>bar</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="1264:1-1265:7" dir="auto">And indented code can occur immediately before and after other kinds of -blocks:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="1267:1-1282:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"># Heading</span> -<span id="LC2" class="line" lang="plaintext"> foo</span> -<span id="LC3" class="line" lang="plaintext">Heading</span> -<span id="LC4" class="line" lang="plaintext">------</span> -<span id="LC5" class="line" lang="plaintext"> foo</span> -<span id="LC6" class="line" lang="plaintext">----</span> -<span id="LC7" class="line" lang="plaintext">.</span> -<span id="LC8" class="line" lang="plaintext"><h1>Heading</h1></span> -<span id="LC9" class="line" lang="plaintext"><pre><code>foo</span> -<span id="LC10" class="line" lang="plaintext"></code></pre></span> -<span id="LC11" class="line" lang="plaintext"><h2>Heading</h2></span> -<span id="LC12" class="line" lang="plaintext"><pre><code>foo</span> -<span id="LC13" class="line" lang="plaintext"></code></pre></span> -<span id="LC14" class="line" lang="plaintext"><hr /></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="1285:1-1285:53" dir="auto">The first line can be indented more than four spaces:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="1287:1-1294:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> foo</span> -<span id="LC2" class="line" lang="plaintext"> bar</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><pre><code> foo</span> -<span id="LC5" class="line" lang="plaintext">bar</span> -<span id="LC6" class="line" lang="plaintext"></code></pre></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="1297:1-1298:23" dir="auto">Blank lines preceding or following an indented code block -are not included in it:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="1300:1-1309:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"></span> -<span id="LC2" class="line" lang="plaintext"> </span> -<span id="LC3" class="line" lang="plaintext"> foo</span> -<span id="LC4" class="line" lang="plaintext"> </span> -<span id="LC5" class="line" lang="plaintext"></span> -<span id="LC6" class="line" lang="plaintext">.</span> -<span id="LC7" class="line" lang="plaintext"><pre><code>foo</span> -<span id="LC8" class="line" lang="plaintext"></code></pre></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="1312:1-1312:57" dir="auto">Trailing spaces are included in the code block's content:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="1314:1-1319:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> foo </span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><pre><code>foo </span> -<span id="LC4" class="line" lang="plaintext"></code></pre></span></code></pre> -<copy-code></copy-code> -</div> -<h2 data-sourcepos="1323:1-1323:21" dir="auto"> -<a id="user-content-fenced-code-blocks" class="anchor" href="#fenced-code-blocks" aria-hidden="true"></a>Fenced code blocks</h2> -<p data-sourcepos="1325:1-1329:61" dir="auto">A <a href="@">code fence</a> is a sequence -of at least three consecutive backtick characters (<code>`</code>) or -tildes (<code>~</code>). (Tildes and backticks cannot be mixed.) -A <a href="@">fenced code block</a> -begins with a code fence, indented no more than three spaces.</p> -<p data-sourcepos="1331:1-1337:34" dir="auto">The line with the opening code fence may optionally contain some text -following the code fence; this is trimmed of leading and trailing -whitespace and called the <a href="@">info string</a>. If the [info string] comes -after a backtick fence, it may not contain any backtick -characters. (The reason for this restriction is that otherwise -some inline code would be incorrectly interpreted as the -beginning of a fenced code block.)</p> -<p data-sourcepos="1339:1-1346:43" dir="auto">The content of the code block consists of all subsequent lines, until -a closing [code fence] of the same type as the code block -began with (backticks or tildes), and with at least as many backticks -or tildes as the opening code fence. If the leading code fence is -indented N spaces, then up to N spaces of indentation are removed from -each line of the content (if present). (If a content line is not -indented, it is preserved unchanged. If it is indented less than N -spaces, all of the indentation is removed.)</p> -<p data-sourcepos="1348:1-1356:25" dir="auto">The closing code fence may be indented up to three spaces, and may be -followed only by spaces, which are ignored. If the end of the -containing block (or document) is reached and no closing code fence -has been found, the code block contains all of the lines after the -opening code fence until the end of the containing block (or -document). (An alternative spec would require backtracking in the -event that a closing code fence is not found. But this makes parsing -much less efficient, and there seems to be no real down side to the -behavior described here.)</p> -<p data-sourcepos="1358:1-1359:36" dir="auto">A fenced code block may interrupt a paragraph, and does not require -a blank line either before or after.</p> -<p data-sourcepos="1361:1-1365:42" dir="auto">The content of a code fence is treated as literal text, not parsed -as inlines. The first word of the [info string] is typically used to -specify the language of the code sample, and rendered in the <code>class</code> -attribute of the <code>code</code> tag. However, this spec does not mandate any -particular treatment of the [info string].</p> -<p data-sourcepos="1367:1-1367:40" dir="auto">Here is a simple example with backticks:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="1369:1-1378:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">```</span> -<span id="LC2" class="line" lang="plaintext"><</span> -<span id="LC3" class="line" lang="plaintext"> ></span> -<span id="LC4" class="line" lang="plaintext">```</span> -<span id="LC5" class="line" lang="plaintext">.</span> -<span id="LC6" class="line" lang="plaintext"><pre><code>&lt;</span> -<span id="LC7" class="line" lang="plaintext"> &gt;</span> -<span id="LC8" class="line" lang="plaintext"></code></pre></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="1381:1-1381:12" dir="auto">With tildes:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="1383:1-1392:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">~~~</span> -<span id="LC2" class="line" lang="plaintext"><</span> -<span id="LC3" class="line" lang="plaintext"> ></span> -<span id="LC4" class="line" lang="plaintext">~~~</span> -<span id="LC5" class="line" lang="plaintext">.</span> -<span id="LC6" class="line" lang="plaintext"><pre><code>&lt;</span> -<span id="LC7" class="line" lang="plaintext"> &gt;</span> -<span id="LC8" class="line" lang="plaintext"></code></pre></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="1394:1-1394:41" dir="auto">Fewer than three backticks is not enough:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="1396:1-1402:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">``</span> -<span id="LC2" class="line" lang="plaintext">foo</span> -<span id="LC3" class="line" lang="plaintext">``</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p><code>foo</code></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="1404:1-1405:6" dir="auto">The closing code fence must use the same character as the opening -fence:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="1407:1-1416:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">```</span> -<span id="LC2" class="line" lang="plaintext">aaa</span> -<span id="LC3" class="line" lang="plaintext">~~~</span> -<span id="LC4" class="line" lang="plaintext">```</span> -<span id="LC5" class="line" lang="plaintext">.</span> -<span id="LC6" class="line" lang="plaintext"><pre><code>aaa</span> -<span id="LC7" class="line" lang="plaintext">~~~</span> -<span id="LC8" class="line" lang="plaintext"></code></pre></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="1419:1-1428:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">~~~</span> -<span id="LC2" class="line" lang="plaintext">aaa</span> -<span id="LC3" class="line" lang="plaintext">```</span> -<span id="LC4" class="line" lang="plaintext">~~~</span> -<span id="LC5" class="line" lang="plaintext">.</span> -<span id="LC6" class="line" lang="plaintext"><pre><code>aaa</span> -<span id="LC7" class="line" lang="plaintext">```</span> -<span id="LC8" class="line" lang="plaintext"></code></pre></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="1431:1-1431:69" dir="auto">The closing code fence must be at least as long as the opening fence:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="1433:1-1442:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">````</span> -<span id="LC2" class="line" lang="plaintext">aaa</span> -<span id="LC3" class="line" lang="plaintext">```</span> -<span id="LC4" class="line" lang="plaintext">``````</span> -<span id="LC5" class="line" lang="plaintext">.</span> -<span id="LC6" class="line" lang="plaintext"><pre><code>aaa</span> -<span id="LC7" class="line" lang="plaintext">```</span> -<span id="LC8" class="line" lang="plaintext"></code></pre></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="1445:1-1454:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">~~~~</span> -<span id="LC2" class="line" lang="plaintext">aaa</span> -<span id="LC3" class="line" lang="plaintext">~~~</span> -<span id="LC4" class="line" lang="plaintext">~~~~</span> -<span id="LC5" class="line" lang="plaintext">.</span> -<span id="LC6" class="line" lang="plaintext"><pre><code>aaa</span> -<span id="LC7" class="line" lang="plaintext">~~~</span> -<span id="LC8" class="line" lang="plaintext"></code></pre></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="1457:1-1458:74" dir="auto">Unclosed code blocks are closed by the end of the document -(or the enclosing [block quote][block quotes] or [list item][list items]):</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="1460:1-1464:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">```</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><pre><code></code></pre></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="1467:1-1477:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">`````</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">```</span> -<span id="LC4" class="line" lang="plaintext">aaa</span> -<span id="LC5" class="line" lang="plaintext">.</span> -<span id="LC6" class="line" lang="plaintext"><pre><code></span> -<span id="LC7" class="line" lang="plaintext">```</span> -<span id="LC8" class="line" lang="plaintext">aaa</span> -<span id="LC9" class="line" lang="plaintext"></code></pre></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="1480:1-1491:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">> ```</span> -<span id="LC2" class="line" lang="plaintext">> aaa</span> -<span id="LC3" class="line" lang="plaintext"></span> -<span id="LC4" class="line" lang="plaintext">bbb</span> -<span id="LC5" class="line" lang="plaintext">.</span> -<span id="LC6" class="line" lang="plaintext"><blockquote></span> -<span id="LC7" class="line" lang="plaintext"><pre><code>aaa</span> -<span id="LC8" class="line" lang="plaintext"></code></pre></span> -<span id="LC9" class="line" lang="plaintext"></blockquote></span> -<span id="LC10" class="line" lang="plaintext"><p>bbb</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="1494:1-1494:53" dir="auto">A code block can have all empty lines as its content:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="1496:1-1505:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">```</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext"> </span> -<span id="LC4" class="line" lang="plaintext">```</span> -<span id="LC5" class="line" lang="plaintext">.</span> -<span id="LC6" class="line" lang="plaintext"><pre><code></span> -<span id="LC7" class="line" lang="plaintext"> </span> -<span id="LC8" class="line" lang="plaintext"></code></pre></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="1508:1-1508:26" dir="auto">A code block can be empty:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="1510:1-1515:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">```</span> -<span id="LC2" class="line" lang="plaintext">```</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><pre><code></code></pre></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="1518:1-1520:11" dir="auto">Fences can be indented. If the opening fence is indented, -content lines will have equivalent opening indentation removed, -if present:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="1522:1-1531:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> ```</span> -<span id="LC2" class="line" lang="plaintext"> aaa</span> -<span id="LC3" class="line" lang="plaintext">aaa</span> -<span id="LC4" class="line" lang="plaintext">```</span> -<span id="LC5" class="line" lang="plaintext">.</span> -<span id="LC6" class="line" lang="plaintext"><pre><code>aaa</span> -<span id="LC7" class="line" lang="plaintext">aaa</span> -<span id="LC8" class="line" lang="plaintext"></code></pre></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="1534:1-1545:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> ```</span> -<span id="LC2" class="line" lang="plaintext">aaa</span> -<span id="LC3" class="line" lang="plaintext"> aaa</span> -<span id="LC4" class="line" lang="plaintext">aaa</span> -<span id="LC5" class="line" lang="plaintext"> ```</span> -<span id="LC6" class="line" lang="plaintext">.</span> -<span id="LC7" class="line" lang="plaintext"><pre><code>aaa</span> -<span id="LC8" class="line" lang="plaintext">aaa</span> -<span id="LC9" class="line" lang="plaintext">aaa</span> -<span id="LC10" class="line" lang="plaintext"></code></pre></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="1548:1-1559:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> ```</span> -<span id="LC2" class="line" lang="plaintext"> aaa</span> -<span id="LC3" class="line" lang="plaintext"> aaa</span> -<span id="LC4" class="line" lang="plaintext"> aaa</span> -<span id="LC5" class="line" lang="plaintext"> ```</span> -<span id="LC6" class="line" lang="plaintext">.</span> -<span id="LC7" class="line" lang="plaintext"><pre><code>aaa</span> -<span id="LC8" class="line" lang="plaintext"> aaa</span> -<span id="LC9" class="line" lang="plaintext">aaa</span> -<span id="LC10" class="line" lang="plaintext"></code></pre></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="1562:1-1562:56" dir="auto">Four spaces indentation produces an indented code block:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="1564:1-1573:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> ```</span> -<span id="LC2" class="line" lang="plaintext"> aaa</span> -<span id="LC3" class="line" lang="plaintext"> ```</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><pre><code>```</span> -<span id="LC6" class="line" lang="plaintext">aaa</span> -<span id="LC7" class="line" lang="plaintext">```</span> -<span id="LC8" class="line" lang="plaintext"></code></pre></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="1576:1-1577:41" dir="auto">Closing fences may be indented by 0-3 spaces, and their indentation -need not match that of the opening fence:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="1579:1-1586:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">```</span> -<span id="LC2" class="line" lang="plaintext">aaa</span> -<span id="LC3" class="line" lang="plaintext"> ```</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><pre><code>aaa</span> -<span id="LC6" class="line" lang="plaintext"></code></pre></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="1589:1-1596:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> ```</span> -<span id="LC2" class="line" lang="plaintext">aaa</span> -<span id="LC3" class="line" lang="plaintext"> ```</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><pre><code>aaa</span> -<span id="LC6" class="line" lang="plaintext"></code></pre></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="1599:1-1599:61" dir="auto">This is not a closing fence, because it is indented 4 spaces:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="1601:1-1609:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">```</span> -<span id="LC2" class="line" lang="plaintext">aaa</span> -<span id="LC3" class="line" lang="plaintext"> ```</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><pre><code>aaa</span> -<span id="LC6" class="line" lang="plaintext"> ```</span> -<span id="LC7" class="line" lang="plaintext"></code></pre></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="1613:1-1613:65" dir="auto">Code fences (opening and closing) cannot contain internal spaces:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="1615:1-1621:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">``` ```</span> -<span id="LC2" class="line" lang="plaintext">aaa</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><p><code> </code></span> -<span id="LC5" class="line" lang="plaintext">aaa</p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="1624:1-1632:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">~~~~~~</span> -<span id="LC2" class="line" lang="plaintext">aaa</span> -<span id="LC3" class="line" lang="plaintext">~~~ ~~</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><pre><code>aaa</span> -<span id="LC6" class="line" lang="plaintext">~~~ ~~</span> -<span id="LC7" class="line" lang="plaintext"></code></pre></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="1635:1-1636:53" dir="auto">Fenced code blocks can interrupt paragraphs, and can be followed -directly by paragraphs, without a blank line between:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="1638:1-1649:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo</span> -<span id="LC2" class="line" lang="plaintext">```</span> -<span id="LC3" class="line" lang="plaintext">bar</span> -<span id="LC4" class="line" lang="plaintext">```</span> -<span id="LC5" class="line" lang="plaintext">baz</span> -<span id="LC6" class="line" lang="plaintext">.</span> -<span id="LC7" class="line" lang="plaintext"><p>foo</p></span> -<span id="LC8" class="line" lang="plaintext"><pre><code>bar</span> -<span id="LC9" class="line" lang="plaintext"></code></pre></span> -<span id="LC10" class="line" lang="plaintext"><p>baz</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="1652:1-1653:34" dir="auto">Other blocks can also occur before and after fenced code blocks -without an intervening blank line:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="1655:1-1667:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo</span> -<span id="LC2" class="line" lang="plaintext">---</span> -<span id="LC3" class="line" lang="plaintext">~~~</span> -<span id="LC4" class="line" lang="plaintext">bar</span> -<span id="LC5" class="line" lang="plaintext">~~~</span> -<span id="LC6" class="line" lang="plaintext"># baz</span> -<span id="LC7" class="line" lang="plaintext">.</span> -<span id="LC8" class="line" lang="plaintext"><h2>foo</h2></span> -<span id="LC9" class="line" lang="plaintext"><pre><code>bar</span> -<span id="LC10" class="line" lang="plaintext"></code></pre></span> -<span id="LC11" class="line" lang="plaintext"><h1>baz</h1></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="1670:1-1675:45" dir="auto">An [info string] can be provided after the opening code fence. -Although this spec doesn't mandate any particular treatment of -the info string, the first word is typically used to specify -the language of the code block. In HTML output, the language is -normally indicated by adding a class to the <code>code</code> element consisting -of <code>language-</code> followed by the language name.</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="1677:1-1688:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">```ruby</span> -<span id="LC2" class="line" lang="plaintext">def foo(x)</span> -<span id="LC3" class="line" lang="plaintext"> return 3</span> -<span id="LC4" class="line" lang="plaintext">end</span> -<span id="LC5" class="line" lang="plaintext">```</span> -<span id="LC6" class="line" lang="plaintext">.</span> -<span id="LC7" class="line" lang="plaintext"><pre><code class="language-ruby">def foo(x)</span> -<span id="LC8" class="line" lang="plaintext"> return 3</span> -<span id="LC9" class="line" lang="plaintext">end</span> -<span id="LC10" class="line" lang="plaintext"></code></pre></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="1691:1-1702:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">~~~~ ruby startline=3 $%@#$</span> -<span id="LC2" class="line" lang="plaintext">def foo(x)</span> -<span id="LC3" class="line" lang="plaintext"> return 3</span> -<span id="LC4" class="line" lang="plaintext">end</span> -<span id="LC5" class="line" lang="plaintext">~~~~~~~</span> -<span id="LC6" class="line" lang="plaintext">.</span> -<span id="LC7" class="line" lang="plaintext"><pre><code class="language-ruby">def foo(x)</span> -<span id="LC8" class="line" lang="plaintext"> return 3</span> -<span id="LC9" class="line" lang="plaintext">end</span> -<span id="LC10" class="line" lang="plaintext"></code></pre></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="1705:1-1710:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">````;</span> -<span id="LC2" class="line" lang="plaintext">````</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><pre><code class="language-;"></code></pre></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="1713:1-1713:65" dir="auto">[Info strings] for backtick code blocks cannot contain backticks:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="1715:1-1721:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">``` aa ```</span> -<span id="LC2" class="line" lang="plaintext">foo</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><p><code>aa</code></span> -<span id="LC5" class="line" lang="plaintext">foo</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="1724:1-1724:70" dir="auto">[Info strings] for tilde code blocks can contain backticks and tildes:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="1726:1-1733:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">~~~ aa ``` ~~~</span> -<span id="LC2" class="line" lang="plaintext">foo</span> -<span id="LC3" class="line" lang="plaintext">~~~</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><pre><code class="language-aa">foo</span> -<span id="LC6" class="line" lang="plaintext"></code></pre></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="1736:1-1736:47" dir="auto">Closing code fences cannot have [info strings]:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="1738:1-1745:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">```</span> -<span id="LC2" class="line" lang="plaintext">``` aaa</span> -<span id="LC3" class="line" lang="plaintext">```</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><pre><code>``` aaa</span> -<span id="LC6" class="line" lang="plaintext"></code></pre></span></code></pre> -<copy-code></copy-code> -</div> -<h2 data-sourcepos="1749:1-1749:14" dir="auto"> -<a id="user-content-html-blocks" class="anchor" href="#html-blocks" aria-hidden="true"></a>HTML blocks</h2> -<p data-sourcepos="1751:1-1752:53" dir="auto">An <a href="@">HTML block</a> is a group of lines that is treated -as raw HTML (and will not be escaped in HTML output).</p> -<p data-sourcepos="1754:1-1762:50" dir="auto">There are seven kinds of [HTML block], which can be defined by their -start and end conditions. The block begins with a line that meets a -<a href="@">start condition</a> (after up to three spaces optional indentation). -It ends with the first subsequent line that meets a matching <a href="@">end -condition</a>, or the last line of the document, or the last line of -the <a href="#container-blocks">container block</a> containing the current HTML -block, if no line is encountered that meets the [end condition]. If -the first line meets both the [start condition] and the [end -condition], the block will contain just that line.</p> -<ol data-sourcepos="1764:1-1805:0" dir="auto"> -<li data-sourcepos="1764:1-1770:0"> -<p data-sourcepos="1764:5-1769:30"><strong>Start condition:</strong> line begins with the string <code><script</code>, -<code><pre</code>, or <code><style</code> (case-insensitive), followed by whitespace, -the string <code>></code>, or the end of the line.<br> -<strong>End condition:</strong> line contains an end tag -<code></script></code>, <code></pre></code>, or <code></style></code> (case-insensitive; it -need not match the start tag).</p> -</li> -<li data-sourcepos="1771:1-1773:0"> -<p data-sourcepos="1771:5-1772:51"><strong>Start condition:</strong> line begins with the string <code><!--</code>.<br> -<strong>End condition:</strong> line contains the string <code>--></code>.</p> -</li> -<li data-sourcepos="1774:1-1776:0"> -<p data-sourcepos="1774:5-1775:49"><strong>Start condition:</strong> line begins with the string <code><?</code>.<br> -<strong>End condition:</strong> line contains the string <code>?></code>.</p> -</li> -<li data-sourcepos="1777:1-1780:0"> -<p data-sourcepos="1777:5-1779:51"><strong>Start condition:</strong> line begins with the string <code><!</code> -followed by an uppercase ASCII letter.<br> -<strong>End condition:</strong> line contains the character <code>></code>.</p> -</li> -<li data-sourcepos="1781:1-1784:0"> -<p data-sourcepos="1781:5-1783:50"><strong>Start condition:</strong> line begins with the string -<code><![CDATA[</code>.<br> -<strong>End condition:</strong> line contains the string <code>]]></code>.</p> -</li> -<li data-sourcepos="1785:1-1799:0"> -<p data-sourcepos="1785:5-1798:54"><strong>Start condition:</strong> line begins the string <code><</code> or <code></</code> -followed by one of the strings (case-insensitive) <code>address</code>, -<code>article</code>, <code>aside</code>, <code>base</code>, <code>basefont</code>, <code>blockquote</code>, <code>body</code>, -<code>caption</code>, <code>center</code>, <code>col</code>, <code>colgroup</code>, <code>dd</code>, <code>details</code>, <code>dialog</code>, -<code>dir</code>, <code>div</code>, <code>dl</code>, <code>dt</code>, <code>fieldset</code>, <code>figcaption</code>, <code>figure</code>, -<code>footer</code>, <code>form</code>, <code>frame</code>, <code>frameset</code>, -<code>h1</code>, <code>h2</code>, <code>h3</code>, <code>h4</code>, <code>h5</code>, <code>h6</code>, <code>head</code>, <code>header</code>, <code>hr</code>, -<code>html</code>, <code>iframe</code>, <code>legend</code>, <code>li</code>, <code>link</code>, <code>main</code>, <code>menu</code>, <code>menuitem</code>, -<code>nav</code>, <code>noframes</code>, <code>ol</code>, <code>optgroup</code>, <code>option</code>, <code>p</code>, <code>param</code>, -<code>section</code>, <code>summary</code>, <code>table</code>, <code>tbody</code>, <code>td</code>, -<code>tfoot</code>, <code>th</code>, <code>thead</code>, <code>title</code>, <code>tr</code>, <code>track</code>, <code>ul</code>, followed -by [whitespace], the end of the line, the string <code>></code>, or -the string <code>/></code>.<br> -<strong>End condition:</strong> line is followed by a [blank line].</p> -</li> -<li data-sourcepos="1800:1-1805:0"> -<p data-sourcepos="1800:5-1804:54"><strong>Start condition:</strong> line begins with a complete [open tag] -(with any [tag name] other than <code>script</code>, -<code>style</code>, or <code>pre</code>) or a complete [closing tag], -followed only by [whitespace] or the end of the line.<br> -<strong>End condition:</strong> line is followed by a [blank line].</p> -</li> -</ol> -<p data-sourcepos="1806:1-1811:19" dir="auto">HTML blocks continue until they are closed by their appropriate -[end condition], or the last line of the document or other <a href="#container-blocks">container -block</a>. This means any HTML <strong>within an HTML -block</strong> that might otherwise be recognised as a start condition will -be ignored by the parser and passed through as-is, without changing -the parser's state.</p> -<p data-sourcepos="1813:1-1815:51" dir="auto">For instance, <code><pre></code> within a HTML block started by <code><table></code> will not affect -the parser state; as the HTML block was started in by start condition 6, it -will end at any blank line. This can be surprising:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="1817:1-1832:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><table><tr><td></span> -<span id="LC2" class="line" lang="plaintext"><pre></span> -<span id="LC3" class="line" lang="plaintext">**Hello**,</span> -<span id="LC4" class="line" lang="plaintext"></span> -<span id="LC5" class="line" lang="plaintext">_world_.</span> -<span id="LC6" class="line" lang="plaintext"></pre></span> -<span id="LC7" class="line" lang="plaintext"></td></tr></table></span> -<span id="LC8" class="line" lang="plaintext">.</span> -<span id="LC9" class="line" lang="plaintext"><table><tr><td></span> -<span id="LC10" class="line" lang="plaintext"><pre></span> -<span id="LC11" class="line" lang="plaintext">**Hello**,</span> -<span id="LC12" class="line" lang="plaintext"><p><em>world</em>.</span> -<span id="LC13" class="line" lang="plaintext"></pre></p></span> -<span id="LC14" class="line" lang="plaintext"></td></tr></table></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="1834:1-1836:55" dir="auto">In this case, the HTML block is terminated by the newline — the <code>**Hello**</code> -text remains verbatim — and regular parsing resumes, with a paragraph, -emphasised <code>world</code> and inline and block HTML following.</p> -<p data-sourcepos="1838:1-1841:65" dir="auto">All types of [HTML blocks] except type 7 may interrupt -a paragraph. Blocks of type 7 may not interrupt a paragraph. -(This restriction is intended to prevent unwanted interpretation -of long tags inside a wrapped paragraph as starting HTML blocks.)</p> -<p data-sourcepos="1843:1-1844:10" dir="auto">Some simple examples follow. Here are some basic HTML blocks -of type 6:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="1846:1-1865:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><table></span> -<span id="LC2" class="line" lang="plaintext"> <tr></span> -<span id="LC3" class="line" lang="plaintext"> <td></span> -<span id="LC4" class="line" lang="plaintext"> hi</span> -<span id="LC5" class="line" lang="plaintext"> </td></span> -<span id="LC6" class="line" lang="plaintext"> </tr></span> -<span id="LC7" class="line" lang="plaintext"></table></span> -<span id="LC8" class="line" lang="plaintext"></span> -<span id="LC9" class="line" lang="plaintext">okay.</span> -<span id="LC10" class="line" lang="plaintext">.</span> -<span id="LC11" class="line" lang="plaintext"><table></span> -<span id="LC12" class="line" lang="plaintext"> <tr></span> -<span id="LC13" class="line" lang="plaintext"> <td></span> -<span id="LC14" class="line" lang="plaintext"> hi</span> -<span id="LC15" class="line" lang="plaintext"> </td></span> -<span id="LC16" class="line" lang="plaintext"> </tr></span> -<span id="LC17" class="line" lang="plaintext"></table></span> -<span id="LC18" class="line" lang="plaintext"><p>okay.</p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="1868:1-1876:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> <div></span> -<span id="LC2" class="line" lang="plaintext"> *hello*</span> -<span id="LC3" class="line" lang="plaintext"> <foo><a></span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"> <div></span> -<span id="LC6" class="line" lang="plaintext"> *hello*</span> -<span id="LC7" class="line" lang="plaintext"> <foo><a></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="1879:1-1879:42" dir="auto">A block can also start with a closing tag:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="1881:1-1887:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"></div></span> -<span id="LC2" class="line" lang="plaintext">*foo*</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"></div></span> -<span id="LC5" class="line" lang="plaintext">*foo*</span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="1890:1-1890:68" dir="auto">Here we have two HTML blocks with a Markdown paragraph between them:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="1892:1-1902:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><DIV CLASS="foo"></span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">*Markdown*</span> -<span id="LC4" class="line" lang="plaintext"></span> -<span id="LC5" class="line" lang="plaintext"></DIV></span> -<span id="LC6" class="line" lang="plaintext">.</span> -<span id="LC7" class="line" lang="plaintext"><DIV CLASS="foo"></span> -<span id="LC8" class="line" lang="plaintext"><p><em>Markdown</em></p></span> -<span id="LC9" class="line" lang="plaintext"></DIV></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="1905:1-1906:47" dir="auto">The tag on the first line can be partial, as long -as it is split where there would be whitespace:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="1908:1-1916:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><div id="foo"</span> -<span id="LC2" class="line" lang="plaintext"> class="bar"></span> -<span id="LC3" class="line" lang="plaintext"></div></span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><div id="foo"</span> -<span id="LC6" class="line" lang="plaintext"> class="bar"></span> -<span id="LC7" class="line" lang="plaintext"></div></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="1919:1-1927:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><div id="foo" class="bar</span> -<span id="LC2" class="line" lang="plaintext"> baz"></span> -<span id="LC3" class="line" lang="plaintext"></div></span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><div id="foo" class="bar</span> -<span id="LC6" class="line" lang="plaintext"> baz"></span> -<span id="LC7" class="line" lang="plaintext"></div></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="1930:1-1930:31" dir="auto">An open tag need not be closed:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="1931:1-1940:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><div></span> -<span id="LC2" class="line" lang="plaintext">*foo*</span> -<span id="LC3" class="line" lang="plaintext"></span> -<span id="LC4" class="line" lang="plaintext">*bar*</span> -<span id="LC5" class="line" lang="plaintext">.</span> -<span id="LC6" class="line" lang="plaintext"><div></span> -<span id="LC7" class="line" lang="plaintext">*foo*</span> -<span id="LC8" class="line" lang="plaintext"><p><em>bar</em></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="1944:1-1945:17" dir="auto">A partial tag need not even be completed (garbage -in, garbage out):</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="1947:1-1953:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><div id="foo"</span> -<span id="LC2" class="line" lang="plaintext">*hi*</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><div id="foo"</span> -<span id="LC5" class="line" lang="plaintext">*hi*</span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="1956:1-1962:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><div class</span> -<span id="LC2" class="line" lang="plaintext">foo</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><div class</span> -<span id="LC5" class="line" lang="plaintext">foo</span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="1965:1-1966:35" dir="auto">The initial tag doesn't even need to be a valid -tag, as long as it starts like one:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="1968:1-1974:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><div *???-&&&-<---</span> -<span id="LC2" class="line" lang="plaintext">*foo*</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><div *???-&&&-<---</span> -<span id="LC5" class="line" lang="plaintext">*foo*</span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="1977:1-1978:7" dir="auto">In type 6 blocks, the initial tag need not be on a line by -itself:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="1980:1-1984:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><div><a href="bar">*foo*</a></div></span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><div><a href="bar">*foo*</a></div></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="1987:1-1995:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><table><tr><td></span> -<span id="LC2" class="line" lang="plaintext">foo</span> -<span id="LC3" class="line" lang="plaintext"></td></tr></table></span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><table><tr><td></span> -<span id="LC6" class="line" lang="plaintext">foo</span> -<span id="LC7" class="line" lang="plaintext"></td></tr></table></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="1998:1-2002:43" dir="auto">Everything until the next blank line or end of document -gets included in the HTML block. So, in the following -example, what looks like a Markdown code block -is actually part of the HTML block, which continues until a blank -line or the end of the document is reached:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="2004:1-2014:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><div></div></span> -<span id="LC2" class="line" lang="plaintext">``` c</span> -<span id="LC3" class="line" lang="plaintext">int x = 33;</span> -<span id="LC4" class="line" lang="plaintext">```</span> -<span id="LC5" class="line" lang="plaintext">.</span> -<span id="LC6" class="line" lang="plaintext"><div></div></span> -<span id="LC7" class="line" lang="plaintext">``` c</span> -<span id="LC8" class="line" lang="plaintext">int x = 33;</span> -<span id="LC9" class="line" lang="plaintext">```</span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="2017:1-2019:51" dir="auto">To start an [HTML block] with a tag that is <em>not</em> in the -list of block-level tags in (6), you must put the tag by -itself on the first line (and it must be complete):</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="2021:1-2029:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><a href="foo"></span> -<span id="LC2" class="line" lang="plaintext">*bar*</span> -<span id="LC3" class="line" lang="plaintext"></a></span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><a href="foo"></span> -<span id="LC6" class="line" lang="plaintext">*bar*</span> -<span id="LC7" class="line" lang="plaintext"></a></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="2032:1-2032:49" dir="auto">In type 7 blocks, the [tag name] can be anything:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="2034:1-2042:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><Warning></span> -<span id="LC2" class="line" lang="plaintext">*bar*</span> -<span id="LC3" class="line" lang="plaintext"></Warning></span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><Warning></span> -<span id="LC6" class="line" lang="plaintext">*bar*</span> -<span id="LC7" class="line" lang="plaintext"></Warning></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="2045:1-2053:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><i class="foo"></span> -<span id="LC2" class="line" lang="plaintext">*bar*</span> -<span id="LC3" class="line" lang="plaintext"></i></span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><i class="foo"></span> -<span id="LC6" class="line" lang="plaintext">*bar*</span> -<span id="LC7" class="line" lang="plaintext"></i></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="2056:1-2062:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"></ins></span> -<span id="LC2" class="line" lang="plaintext">*bar*</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"></ins></span> -<span id="LC5" class="line" lang="plaintext">*bar*</span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="2065:1-2069:59" dir="auto">These rules are designed to allow us to work with tags that -can function as either block-level or inline-level tags. -The <code><del></code> tag is a nice example. We can surround content with -<code><del></code> tags in three different ways. In this case, we get a raw -HTML block, because the <code><del></code> tag is on a line by itself:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="2071:1-2079:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><del></span> -<span id="LC2" class="line" lang="plaintext">*foo*</span> -<span id="LC3" class="line" lang="plaintext"></del></span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><del></span> -<span id="LC6" class="line" lang="plaintext">*foo*</span> -<span id="LC7" class="line" lang="plaintext"></del></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="2082:1-2084:54" dir="auto">In this case, we get a raw HTML block that just includes -the <code><del></code> tag (because it ends with the following blank -line). So the contents get interpreted as CommonMark:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="2086:1-2096:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><del></span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">*foo*</span> -<span id="LC4" class="line" lang="plaintext"></span> -<span id="LC5" class="line" lang="plaintext"></del></span> -<span id="LC6" class="line" lang="plaintext">.</span> -<span id="LC7" class="line" lang="plaintext"><del></span> -<span id="LC8" class="line" lang="plaintext"><p><em>foo</em></p></span> -<span id="LC9" class="line" lang="plaintext"></del></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="2099:1-2102:29" dir="auto">Finally, in this case, the <code><del></code> tags are interpreted -as [raw HTML] <em>inside</em> the CommonMark paragraph. (Because -the tag is not on a line by itself, we get inline HTML -rather than an [HTML block].)</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="2104:1-2108:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><del>*foo*</del></span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><del><em>foo</em></del></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="2111:1-2116:50" dir="auto">HTML tags designed to contain literal content -(<code>script</code>, <code>style</code>, <code>pre</code>), comments, processing instructions, -and declarations are treated somewhat differently. -Instead of ending at the first blank line, these blocks -end at the first line containing a corresponding end tag. -As a result, these blocks can contain blank lines:</p> -<p data-sourcepos="2118:1-2118:19" dir="auto">A pre tag (type 1):</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="2120:1-2136:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><pre language="haskell"><code></span> -<span id="LC2" class="line" lang="plaintext">import Text.HTML.TagSoup</span> -<span id="LC3" class="line" lang="plaintext"></span> -<span id="LC4" class="line" lang="plaintext">main :: IO ()</span> -<span id="LC5" class="line" lang="plaintext">main = print $ parseTags tags</span> -<span id="LC6" class="line" lang="plaintext"></code></pre></span> -<span id="LC7" class="line" lang="plaintext">okay</span> -<span id="LC8" class="line" lang="plaintext">.</span> -<span id="LC9" class="line" lang="plaintext"><pre language="haskell"><code></span> -<span id="LC10" class="line" lang="plaintext">import Text.HTML.TagSoup</span> -<span id="LC11" class="line" lang="plaintext"></span> -<span id="LC12" class="line" lang="plaintext">main :: IO ()</span> -<span id="LC13" class="line" lang="plaintext">main = print $ parseTags tags</span> -<span id="LC14" class="line" lang="plaintext"></code></pre></span> -<span id="LC15" class="line" lang="plaintext"><p>okay</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="2139:1-2139:22" dir="auto">A script tag (type 1):</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="2141:1-2155:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><script type="text/javascript"></span> -<span id="LC2" class="line" lang="plaintext">// JavaScript example</span> -<span id="LC3" class="line" lang="plaintext"></span> -<span id="LC4" class="line" lang="plaintext">document.getElementById("demo").innerHTML = "Hello JavaScript!";</span> -<span id="LC5" class="line" lang="plaintext"></script></span> -<span id="LC6" class="line" lang="plaintext">okay</span> -<span id="LC7" class="line" lang="plaintext">.</span> -<span id="LC8" class="line" lang="plaintext"><script type="text/javascript"></span> -<span id="LC9" class="line" lang="plaintext">// JavaScript example</span> -<span id="LC10" class="line" lang="plaintext"></span> -<span id="LC11" class="line" lang="plaintext">document.getElementById("demo").innerHTML = "Hello JavaScript!";</span> -<span id="LC12" class="line" lang="plaintext"></script></span> -<span id="LC13" class="line" lang="plaintext"><p>okay</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="2158:1-2158:21" dir="auto">A style tag (type 1):</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="2160:1-2176:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><style</span> -<span id="LC2" class="line" lang="plaintext"> type="text/css"></span> -<span id="LC3" class="line" lang="plaintext">h1 {color:red;}</span> -<span id="LC4" class="line" lang="plaintext"></span> -<span id="LC5" class="line" lang="plaintext">p {color:blue;}</span> -<span id="LC6" class="line" lang="plaintext"></style></span> -<span id="LC7" class="line" lang="plaintext">okay</span> -<span id="LC8" class="line" lang="plaintext">.</span> -<span id="LC9" class="line" lang="plaintext"><style</span> -<span id="LC10" class="line" lang="plaintext"> type="text/css"></span> -<span id="LC11" class="line" lang="plaintext">h1 {color:red;}</span> -<span id="LC12" class="line" lang="plaintext"></span> -<span id="LC13" class="line" lang="plaintext">p {color:blue;}</span> -<span id="LC14" class="line" lang="plaintext"></style></span> -<span id="LC15" class="line" lang="plaintext"><p>okay</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="2179:1-2181:28" dir="auto">If there is no matching end tag, the block will end at the -end of the document (or the enclosing [block quote][block quotes] -or [list item][list items]):</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="2183:1-2193:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><style</span> -<span id="LC2" class="line" lang="plaintext"> type="text/css"></span> -<span id="LC3" class="line" lang="plaintext"></span> -<span id="LC4" class="line" lang="plaintext">foo</span> -<span id="LC5" class="line" lang="plaintext">.</span> -<span id="LC6" class="line" lang="plaintext"><style</span> -<span id="LC7" class="line" lang="plaintext"> type="text/css"></span> -<span id="LC8" class="line" lang="plaintext"></span> -<span id="LC9" class="line" lang="plaintext">foo</span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="2196:1-2207:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">> <div></span> -<span id="LC2" class="line" lang="plaintext">> foo</span> -<span id="LC3" class="line" lang="plaintext"></span> -<span id="LC4" class="line" lang="plaintext">bar</span> -<span id="LC5" class="line" lang="plaintext">.</span> -<span id="LC6" class="line" lang="plaintext"><blockquote></span> -<span id="LC7" class="line" lang="plaintext"><div></span> -<span id="LC8" class="line" lang="plaintext">foo</span> -<span id="LC9" class="line" lang="plaintext"></blockquote></span> -<span id="LC10" class="line" lang="plaintext"><p>bar</p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="2210:1-2220:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- <div></span> -<span id="LC2" class="line" lang="plaintext">- foo</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><ul></span> -<span id="LC5" class="line" lang="plaintext"><li></span> -<span id="LC6" class="line" lang="plaintext"><div></span> -<span id="LC7" class="line" lang="plaintext"></li></span> -<span id="LC8" class="line" lang="plaintext"><li>foo</li></span> -<span id="LC9" class="line" lang="plaintext"></ul></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="2223:1-2223:56" dir="auto">The end tag can occur on the same line as the start tag:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="2225:1-2231:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><style>p{color:red;}</style></span> -<span id="LC2" class="line" lang="plaintext">*foo*</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><style>p{color:red;}</style></span> -<span id="LC5" class="line" lang="plaintext"><p><em>foo</em></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="2234:1-2240:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><!-- foo -->*bar*</span> -<span id="LC2" class="line" lang="plaintext">*baz*</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><!-- foo -->*bar*</span> -<span id="LC5" class="line" lang="plaintext"><p><em>baz</em></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="2243:1-2244:45" dir="auto">Note that anything on the last line after the -end tag will be included in the [HTML block]:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="2246:1-2254:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><script></span> -<span id="LC2" class="line" lang="plaintext">foo</span> -<span id="LC3" class="line" lang="plaintext"></script>1. *bar*</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><script></span> -<span id="LC6" class="line" lang="plaintext">foo</span> -<span id="LC7" class="line" lang="plaintext"></script>1. *bar*</span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="2257:1-2257:19" dir="auto">A comment (type 2):</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="2259:1-2271:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><!-- Foo</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">bar</span> -<span id="LC4" class="line" lang="plaintext"> baz --></span> -<span id="LC5" class="line" lang="plaintext">okay</span> -<span id="LC6" class="line" lang="plaintext">.</span> -<span id="LC7" class="line" lang="plaintext"><!-- Foo</span> -<span id="LC8" class="line" lang="plaintext"></span> -<span id="LC9" class="line" lang="plaintext">bar</span> -<span id="LC10" class="line" lang="plaintext"> baz --></span> -<span id="LC11" class="line" lang="plaintext"><p>okay</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="2275:1-2275:34" dir="auto">A processing instruction (type 3):</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="2277:1-2291:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><?php</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext"> echo '>';</span> -<span id="LC4" class="line" lang="plaintext"></span> -<span id="LC5" class="line" lang="plaintext">?></span> -<span id="LC6" class="line" lang="plaintext">okay</span> -<span id="LC7" class="line" lang="plaintext">.</span> -<span id="LC8" class="line" lang="plaintext"><?php</span> -<span id="LC9" class="line" lang="plaintext"></span> -<span id="LC10" class="line" lang="plaintext"> echo '>';</span> -<span id="LC11" class="line" lang="plaintext"></span> -<span id="LC12" class="line" lang="plaintext">?></span> -<span id="LC13" class="line" lang="plaintext"><p>okay</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="2294:1-2294:23" dir="auto">A declaration (type 4):</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="2296:1-2300:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><!DOCTYPE html></span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><!DOCTYPE html></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="2303:1-2303:15" dir="auto">CDATA (type 5):</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="2305:1-2333:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><![CDATA[</span> -<span id="LC2" class="line" lang="plaintext">function matchwo(a,b)</span> -<span id="LC3" class="line" lang="plaintext">{</span> -<span id="LC4" class="line" lang="plaintext"> if (a < b && a < 0) then {</span> -<span id="LC5" class="line" lang="plaintext"> return 1;</span> -<span id="LC6" class="line" lang="plaintext"></span> -<span id="LC7" class="line" lang="plaintext"> } else {</span> -<span id="LC8" class="line" lang="plaintext"></span> -<span id="LC9" class="line" lang="plaintext"> return 0;</span> -<span id="LC10" class="line" lang="plaintext"> }</span> -<span id="LC11" class="line" lang="plaintext">}</span> -<span id="LC12" class="line" lang="plaintext">]]></span> -<span id="LC13" class="line" lang="plaintext">okay</span> -<span id="LC14" class="line" lang="plaintext">.</span> -<span id="LC15" class="line" lang="plaintext"><![CDATA[</span> -<span id="LC16" class="line" lang="plaintext">function matchwo(a,b)</span> -<span id="LC17" class="line" lang="plaintext">{</span> -<span id="LC18" class="line" lang="plaintext"> if (a < b && a < 0) then {</span> -<span id="LC19" class="line" lang="plaintext"> return 1;</span> -<span id="LC20" class="line" lang="plaintext"></span> -<span id="LC21" class="line" lang="plaintext"> } else {</span> -<span id="LC22" class="line" lang="plaintext"></span> -<span id="LC23" class="line" lang="plaintext"> return 0;</span> -<span id="LC24" class="line" lang="plaintext"> }</span> -<span id="LC25" class="line" lang="plaintext">}</span> -<span id="LC26" class="line" lang="plaintext">]]></span> -<span id="LC27" class="line" lang="plaintext"><p>okay</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="2336:1-2336:54" dir="auto">The opening tag can be indented 1-3 spaces, but not 4:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="2338:1-2346:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> <!-- foo --></span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext"> <!-- foo --></span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"> <!-- foo --></span> -<span id="LC6" class="line" lang="plaintext"><pre><code>&lt;!-- foo --&gt;</span> -<span id="LC7" class="line" lang="plaintext"></code></pre></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="2349:1-2357:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> <div></span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext"> <div></span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"> <div></span> -<span id="LC6" class="line" lang="plaintext"><pre><code>&lt;div&gt;</span> -<span id="LC7" class="line" lang="plaintext"></code></pre></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="2360:1-2361:25" dir="auto">An HTML block of types 1--6 can interrupt a paragraph, and need not be -preceded by a blank line.</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="2363:1-2373:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">Foo</span> -<span id="LC2" class="line" lang="plaintext"><div></span> -<span id="LC3" class="line" lang="plaintext">bar</span> -<span id="LC4" class="line" lang="plaintext"></div></span> -<span id="LC5" class="line" lang="plaintext">.</span> -<span id="LC6" class="line" lang="plaintext"><p>Foo</p></span> -<span id="LC7" class="line" lang="plaintext"><div></span> -<span id="LC8" class="line" lang="plaintext">bar</span> -<span id="LC9" class="line" lang="plaintext"></div></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="2376:1-2378:7" dir="auto">However, a following blank line is needed, except at the end of -a document, and except for blocks of types 1--5, [above][HTML -block]:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="2380:1-2390:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><div></span> -<span id="LC2" class="line" lang="plaintext">bar</span> -<span id="LC3" class="line" lang="plaintext"></div></span> -<span id="LC4" class="line" lang="plaintext">*foo*</span> -<span id="LC5" class="line" lang="plaintext">.</span> -<span id="LC6" class="line" lang="plaintext"><div></span> -<span id="LC7" class="line" lang="plaintext">bar</span> -<span id="LC8" class="line" lang="plaintext"></div></span> -<span id="LC9" class="line" lang="plaintext">*foo*</span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="2393:1-2393:51" dir="auto">HTML blocks of type 7 cannot interrupt a paragraph:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="2395:1-2403:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">Foo</span> -<span id="LC2" class="line" lang="plaintext"><a href="bar"></span> -<span id="LC3" class="line" lang="plaintext">baz</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p>Foo</span> -<span id="LC6" class="line" lang="plaintext"><a href="bar"></span> -<span id="LC7" class="line" lang="plaintext">baz</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="2406:1-2407:26" dir="auto">This rule differs from John Gruber's original Markdown syntax -specification, which says:</p> -<blockquote data-sourcepos="2409:1-2412:51" dir="auto"> -<p data-sourcepos="2409:3-2412:51">The only restrictions are that block-level HTML elements — -e.g. <code><div></code>, <code><table></code>, <code><pre></code>, <code><p></code>, etc. — must be separated from -surrounding content by blank lines, and the start and end tags of the -block should not be indented with tabs or spaces.</p> -</blockquote> -<p data-sourcepos="2414:1-2415:5" dir="auto">In some ways Gruber's rule is more restrictive than the one given -here:</p> -<ul data-sourcepos="2417:1-2421:0" dir="auto"> -<li data-sourcepos="2417:1-2417:61">It requires that an HTML block be preceded by a blank line.</li> -<li data-sourcepos="2418:1-2418:49">It does not allow the start tag to be indented.</li> -<li data-sourcepos="2419:1-2421:0">It requires a matching end tag, which it also does not allow to -be indented.</li> -</ul> -<p data-sourcepos="2422:1-2423:34" dir="auto">Most Markdown implementations (including some of Gruber's own) do not -respect all of these restrictions.</p> -<p data-sourcepos="2425:1-2432:61" dir="auto">There is one respect, however, in which Gruber's rule is more liberal -than the one given here, since it allows blank lines to occur inside -an HTML block. There are two reasons for disallowing them here. -First, it removes the need to parse balanced tags, which is -expensive and can require backtracking from the end of the document -if no matching end tag is found. Second, it provides a very simple -and flexible way of including Markdown content inside HTML tags: -simply separate the Markdown from the HTML using blank lines:</p> -<p data-sourcepos="2434:1-2434:8" dir="auto">Compare:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="2436:1-2446:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><div></span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">*Emphasized* text.</span> -<span id="LC4" class="line" lang="plaintext"></span> -<span id="LC5" class="line" lang="plaintext"></div></span> -<span id="LC6" class="line" lang="plaintext">.</span> -<span id="LC7" class="line" lang="plaintext"><div></span> -<span id="LC8" class="line" lang="plaintext"><p><em>Emphasized</em> text.</p></span> -<span id="LC9" class="line" lang="plaintext"></div></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="2449:1-2457:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><div></span> -<span id="LC2" class="line" lang="plaintext">*Emphasized* text.</span> -<span id="LC3" class="line" lang="plaintext"></div></span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><div></span> -<span id="LC6" class="line" lang="plaintext">*Emphasized* text.</span> -<span id="LC7" class="line" lang="plaintext"></div></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="2460:1-2464:22" dir="auto">Some Markdown implementations have adopted a convention of -interpreting content inside tags as text if the open tag has -the attribute <code>markdown=1</code>. The rule given above seems a simpler and -more elegant way of achieving the same expressive power, which is also -much simpler to parse.</p> -<p data-sourcepos="2466:1-2469:59" dir="auto">The main potential drawback is that one can no longer paste HTML -blocks into Markdown documents with 100% reliability. However, -<em>in most cases</em> this will work fine, because the blank lines in -HTML are usually followed by HTML block tags. For example:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="2471:1-2491:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><table></span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext"><tr></span> -<span id="LC4" class="line" lang="plaintext"></span> -<span id="LC5" class="line" lang="plaintext"><td></span> -<span id="LC6" class="line" lang="plaintext">Hi</span> -<span id="LC7" class="line" lang="plaintext"></td></span> -<span id="LC8" class="line" lang="plaintext"></span> -<span id="LC9" class="line" lang="plaintext"></tr></span> -<span id="LC10" class="line" lang="plaintext"></span> -<span id="LC11" class="line" lang="plaintext"></table></span> -<span id="LC12" class="line" lang="plaintext">.</span> -<span id="LC13" class="line" lang="plaintext"><table></span> -<span id="LC14" class="line" lang="plaintext"><tr></span> -<span id="LC15" class="line" lang="plaintext"><td></span> -<span id="LC16" class="line" lang="plaintext">Hi</span> -<span id="LC17" class="line" lang="plaintext"></td></span> -<span id="LC18" class="line" lang="plaintext"></tr></span> -<span id="LC19" class="line" lang="plaintext"></table></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="2494:1-2496:23" dir="auto">There are problems, however, if the inner tags are indented -<em>and</em> separated by spaces, as then they will be interpreted as -an indented code block:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="2498:1-2519:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><table></span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext"> <tr></span> -<span id="LC4" class="line" lang="plaintext"></span> -<span id="LC5" class="line" lang="plaintext"> <td></span> -<span id="LC6" class="line" lang="plaintext"> Hi</span> -<span id="LC7" class="line" lang="plaintext"> </td></span> -<span id="LC8" class="line" lang="plaintext"></span> -<span id="LC9" class="line" lang="plaintext"> </tr></span> -<span id="LC10" class="line" lang="plaintext"></span> -<span id="LC11" class="line" lang="plaintext"></table></span> -<span id="LC12" class="line" lang="plaintext">.</span> -<span id="LC13" class="line" lang="plaintext"><table></span> -<span id="LC14" class="line" lang="plaintext"> <tr></span> -<span id="LC15" class="line" lang="plaintext"><pre><code>&lt;td&gt;</span> -<span id="LC16" class="line" lang="plaintext"> Hi</span> -<span id="LC17" class="line" lang="plaintext">&lt;/td&gt;</span> -<span id="LC18" class="line" lang="plaintext"></code></pre></span> -<span id="LC19" class="line" lang="plaintext"> </tr></span> -<span id="LC20" class="line" lang="plaintext"></table></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="2522:1-2525:26" dir="auto">Fortunately, blank lines are usually not necessary and can be -deleted. The exception is inside <code><pre></code> tags, but as described -[above][HTML blocks], raw HTML blocks starting with <code><pre></code> -<em>can</em> contain blank lines.</p> -<h2 data-sourcepos="2527:1-2527:29" dir="auto"> -<a id="user-content-link-reference-definitions" class="anchor" href="#link-reference-definitions" aria-hidden="true"></a>Link reference definitions</h2> -<p data-sourcepos="2529:1-2537:61" dir="auto">A <a href="@">link reference definition</a> -consists of a [link label], indented up to three spaces, followed -by a colon (<code>:</code>), optional [whitespace] (including up to one -[line ending]), a [link destination], -optional [whitespace] (including up to one -[line ending]), and an optional [link -title], which if it is present must be separated -from the [link destination] by [whitespace]. -No further [non-whitespace characters] may occur on the line.</p> -<p data-sourcepos="2539:1-2544:5" dir="auto">A [link reference definition] -does not correspond to a structural element of a document. Instead, it -defines a label which can be used in [reference links] -and reference-style [images] elsewhere in the document. [Link -reference definitions] can come either before or after the links that use -them.</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="2546:1-2552:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo]: /url "title"</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">[foo]</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p><a href="/url" title="title">foo</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="2555:1-2563:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> [foo]: </span> -<span id="LC2" class="line" lang="plaintext"> /url </span> -<span id="LC3" class="line" lang="plaintext"> 'the title' </span> -<span id="LC4" class="line" lang="plaintext"></span> -<span id="LC5" class="line" lang="plaintext">[foo]</span> -<span id="LC6" class="line" lang="plaintext">.</span> -<span id="LC7" class="line" lang="plaintext"><p><a href="/url" title="the title">foo</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="2566:1-2572:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[Foo*bar\]]:my_(url) 'title (with parens)'</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">[Foo*bar\]]</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p><a href="my_(url)" title="title (with parens)">Foo*bar]</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="2575:1-2583:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[Foo bar]:</span> -<span id="LC2" class="line" lang="plaintext"><my url></span> -<span id="LC3" class="line" lang="plaintext">'title'</span> -<span id="LC4" class="line" lang="plaintext"></span> -<span id="LC5" class="line" lang="plaintext">[Foo bar]</span> -<span id="LC6" class="line" lang="plaintext">.</span> -<span id="LC7" class="line" lang="plaintext"><p><a href="my%20url" title="title">Foo bar</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="2586:1-2586:41" dir="auto">The title may extend over multiple lines:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="2588:1-2602:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo]: /url '</span> -<span id="LC2" class="line" lang="plaintext">title</span> -<span id="LC3" class="line" lang="plaintext">line1</span> -<span id="LC4" class="line" lang="plaintext">line2</span> -<span id="LC5" class="line" lang="plaintext">'</span> -<span id="LC6" class="line" lang="plaintext"></span> -<span id="LC7" class="line" lang="plaintext">[foo]</span> -<span id="LC8" class="line" lang="plaintext">.</span> -<span id="LC9" class="line" lang="plaintext"><p><a href="/url" title="</span> -<span id="LC10" class="line" lang="plaintext">title</span> -<span id="LC11" class="line" lang="plaintext">line1</span> -<span id="LC12" class="line" lang="plaintext">line2</span> -<span id="LC13" class="line" lang="plaintext">">foo</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="2605:1-2605:43" dir="auto">However, it may not contain a [blank line]:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="2607:1-2617:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo]: /url 'title</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">with blank line'</span> -<span id="LC4" class="line" lang="plaintext"></span> -<span id="LC5" class="line" lang="plaintext">[foo]</span> -<span id="LC6" class="line" lang="plaintext">.</span> -<span id="LC7" class="line" lang="plaintext"><p>[foo]: /url 'title</p></span> -<span id="LC8" class="line" lang="plaintext"><p>with blank line'</p></span> -<span id="LC9" class="line" lang="plaintext"><p>[foo]</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="2620:1-2620:25" dir="auto">The title may be omitted:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="2622:1-2629:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo]:</span> -<span id="LC2" class="line" lang="plaintext">/url</span> -<span id="LC3" class="line" lang="plaintext"></span> -<span id="LC4" class="line" lang="plaintext">[foo]</span> -<span id="LC5" class="line" lang="plaintext">.</span> -<span id="LC6" class="line" lang="plaintext"><p><a href="/url">foo</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="2632:1-2632:40" dir="auto">The link destination may not be omitted:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="2634:1-2641:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo]:</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">[foo]</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p>[foo]:</p></span> -<span id="LC6" class="line" lang="plaintext"><p>[foo]</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="2643:2-2644:16" dir="auto">However, an empty link destination may be specified using -angle brackets:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="2646:1-2652:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo]: <></span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">[foo]</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p><a href="">foo</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="2654:1-2655:11" dir="auto">The title must be separated from the link destination by -whitespace:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="2657:1-2664:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo]: <bar>(baz)</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">[foo]</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p>[foo]: <bar>(baz)</p></span> -<span id="LC6" class="line" lang="plaintext"><p>[foo]</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="2667:1-2668:24" dir="auto">Both title and destination can contain backslash escapes -and literal backslashes:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="2670:1-2676:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo]: /url\bar\*baz "foo\"bar\baz"</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">[foo]</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p><a href="/url%5Cbar*baz" title="foo&quot;bar\baz">foo</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="2679:1-2679:52" dir="auto">A link can come before its corresponding definition:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="2681:1-2687:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo]</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">[foo]: url</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p><a href="url">foo</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="2690:1-2691:11" dir="auto">If there are several matching definitions, the first one takes -precedence:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="2693:1-2700:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo]</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">[foo]: first</span> -<span id="LC4" class="line" lang="plaintext">[foo]: second</span> -<span id="LC5" class="line" lang="plaintext">.</span> -<span id="LC6" class="line" lang="plaintext"><p><a href="first">foo</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="2703:1-2704:33" dir="auto">As noted in the section on [Links], matching of labels is -case-insensitive (see [matches]).</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="2706:1-2712:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[FOO]: /url</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">[Foo]</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p><a href="/url">Foo</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="2715:1-2721:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[ΑΓΩ]: /φου</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">[αγω]</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p><a href="/%CF%86%CE%BF%CF%85">αγω</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="2724:1-2725:39" dir="auto">Here is a link reference definition with no corresponding link. -It contributes nothing to the document.</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="2727:1-2730:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo]: /url</span> -<span id="LC2" class="line" lang="plaintext">.</span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="2733:1-2733:20" dir="auto">Here is another one:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="2735:1-2742:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[</span> -<span id="LC2" class="line" lang="plaintext">foo</span> -<span id="LC3" class="line" lang="plaintext">]: /url</span> -<span id="LC4" class="line" lang="plaintext">bar</span> -<span id="LC5" class="line" lang="plaintext">.</span> -<span id="LC6" class="line" lang="plaintext"><p>bar</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="2745:1-2746:44" dir="auto">This is not a link reference definition, because there are -[non-whitespace characters] after the title:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="2748:1-2752:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo]: /url "title" ok</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>[foo]: /url &quot;title&quot; ok</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="2755:1-2755:57" dir="auto">This is a link reference definition, but it has no title:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="2757:1-2762:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo]: /url</span> -<span id="LC2" class="line" lang="plaintext">"title" ok</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><p>&quot;title&quot; ok</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="2765:1-2766:12" dir="auto">This is not a link reference definition, because it is indented -four spaces:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="2768:1-2776:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> [foo]: /url "title"</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">[foo]</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><pre><code>[foo]: /url &quot;title&quot;</span> -<span id="LC6" class="line" lang="plaintext"></code></pre></span> -<span id="LC7" class="line" lang="plaintext"><p>[foo]</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="2779:1-2780:13" dir="auto">This is not a link reference definition, because it occurs inside -a code block:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="2782:1-2792:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">```</span> -<span id="LC2" class="line" lang="plaintext">[foo]: /url</span> -<span id="LC3" class="line" lang="plaintext">```</span> -<span id="LC4" class="line" lang="plaintext"></span> -<span id="LC5" class="line" lang="plaintext">[foo]</span> -<span id="LC6" class="line" lang="plaintext">.</span> -<span id="LC7" class="line" lang="plaintext"><pre><code>[foo]: /url</span> -<span id="LC8" class="line" lang="plaintext"></code></pre></span> -<span id="LC9" class="line" lang="plaintext"><p>[foo]</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="2795:1-2795:59" dir="auto">A [link reference definition] cannot interrupt a paragraph.</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="2797:1-2806:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">Foo</span> -<span id="LC2" class="line" lang="plaintext">[bar]: /baz</span> -<span id="LC3" class="line" lang="plaintext"></span> -<span id="LC4" class="line" lang="plaintext">[bar]</span> -<span id="LC5" class="line" lang="plaintext">.</span> -<span id="LC6" class="line" lang="plaintext"><p>Foo</span> -<span id="LC7" class="line" lang="plaintext">[bar]: /baz</p></span> -<span id="LC8" class="line" lang="plaintext"><p>[bar]</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="2809:1-2810:65" dir="auto">However, it can directly follow other block elements, such as headings -and thematic breaks, and it need not be followed by a blank line.</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="2812:1-2821:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"># [Foo]</span> -<span id="LC2" class="line" lang="plaintext">[foo]: /url</span> -<span id="LC3" class="line" lang="plaintext">> bar</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><h1><a href="/url">Foo</a></h1></span> -<span id="LC6" class="line" lang="plaintext"><blockquote></span> -<span id="LC7" class="line" lang="plaintext"><p>bar</p></span> -<span id="LC8" class="line" lang="plaintext"></blockquote></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="2823:1-2831:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo]: /url</span> -<span id="LC2" class="line" lang="plaintext">bar</span> -<span id="LC3" class="line" lang="plaintext">===</span> -<span id="LC4" class="line" lang="plaintext">[foo]</span> -<span id="LC5" class="line" lang="plaintext">.</span> -<span id="LC6" class="line" lang="plaintext"><h1>bar</h1></span> -<span id="LC7" class="line" lang="plaintext"><p><a href="/url">foo</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="2833:1-2840:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo]: /url</span> -<span id="LC2" class="line" lang="plaintext">===</span> -<span id="LC3" class="line" lang="plaintext">[foo]</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p>===</span> -<span id="LC6" class="line" lang="plaintext"><a href="/url">foo</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="2843:1-2844:61" dir="auto">Several [link reference definitions] -can occur one after another, without intervening blank lines.</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="2846:1-2859:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo]: /foo-url "foo"</span> -<span id="LC2" class="line" lang="plaintext">[bar]: /bar-url</span> -<span id="LC3" class="line" lang="plaintext"> "bar"</span> -<span id="LC4" class="line" lang="plaintext">[baz]: /baz-url</span> -<span id="LC5" class="line" lang="plaintext"></span> -<span id="LC6" class="line" lang="plaintext">[foo],</span> -<span id="LC7" class="line" lang="plaintext">[bar],</span> -<span id="LC8" class="line" lang="plaintext">[baz]</span> -<span id="LC9" class="line" lang="plaintext">.</span> -<span id="LC10" class="line" lang="plaintext"><p><a href="/foo-url" title="foo">foo</a>,</span> -<span id="LC11" class="line" lang="plaintext"><a href="/bar-url" title="bar">bar</a>,</span> -<span id="LC12" class="line" lang="plaintext"><a href="/baz-url">baz</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="2862:1-2865:12" dir="auto">[Link reference definitions] can occur -inside block containers, like lists and block quotations. They -affect the entire document, not just the container in which they -are defined:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="2867:1-2875:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo]</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">> [foo]: /url</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p><a href="/url">foo</a></p></span> -<span id="LC6" class="line" lang="plaintext"><blockquote></span> -<span id="LC7" class="line" lang="plaintext"></blockquote></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="2878:1-2882:19" dir="auto">Whether something is a [link reference definition] is -independent of whether the link reference it defines is -used in the document. Thus, for example, the following -document contains just a link reference definition, and -no visible content:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="2884:1-2887:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo]: /url</span> -<span id="LC2" class="line" lang="plaintext">.</span></code></pre> -<copy-code></copy-code> -</div> -<h2 data-sourcepos="2890:1-2890:13" dir="auto"> -<a id="user-content-paragraphs" class="anchor" href="#paragraphs" aria-hidden="true"></a>Paragraphs</h2> -<p data-sourcepos="2892:1-2897:13" dir="auto">A sequence of non-blank lines that cannot be interpreted as other -kinds of blocks forms a <a href="@">paragraph</a>. -The contents of the paragraph are the result of parsing the -paragraph's raw content as inlines. The paragraph's raw content -is formed by concatenating the lines and removing initial and final -[whitespace].</p> -<p data-sourcepos="2899:1-2899:37" dir="auto">A simple example with two paragraphs:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="2901:1-2908:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">aaa</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">bbb</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p>aaa</p></span> -<span id="LC6" class="line" lang="plaintext"><p>bbb</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="2911:1-2911:58" dir="auto">Paragraphs can contain multiple lines, but no blank lines:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="2913:1-2924:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">aaa</span> -<span id="LC2" class="line" lang="plaintext">bbb</span> -<span id="LC3" class="line" lang="plaintext"></span> -<span id="LC4" class="line" lang="plaintext">ccc</span> -<span id="LC5" class="line" lang="plaintext">ddd</span> -<span id="LC6" class="line" lang="plaintext">.</span> -<span id="LC7" class="line" lang="plaintext"><p>aaa</span> -<span id="LC8" class="line" lang="plaintext">bbb</p></span> -<span id="LC9" class="line" lang="plaintext"><p>ccc</span> -<span id="LC10" class="line" lang="plaintext">ddd</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="2927:1-2927:54" dir="auto">Multiple blank lines between paragraph have no effect:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="2929:1-2937:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">aaa</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext"></span> -<span id="LC4" class="line" lang="plaintext">bbb</span> -<span id="LC5" class="line" lang="plaintext">.</span> -<span id="LC6" class="line" lang="plaintext"><p>aaa</p></span> -<span id="LC7" class="line" lang="plaintext"><p>bbb</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="2940:1-2940:27" dir="auto">Leading spaces are skipped:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="2942:1-2948:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> aaa</span> -<span id="LC2" class="line" lang="plaintext"> bbb</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><p>aaa</span> -<span id="LC5" class="line" lang="plaintext">bbb</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="2951:1-2952:40" dir="auto">Lines after the first may be indented any amount, since indented -code blocks cannot interrupt paragraphs.</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="2954:1-2962:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">aaa</span> -<span id="LC2" class="line" lang="plaintext"> bbb</span> -<span id="LC3" class="line" lang="plaintext"> ccc</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p>aaa</span> -<span id="LC6" class="line" lang="plaintext">bbb</span> -<span id="LC7" class="line" lang="plaintext">ccc</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="2965:1-2966:44" dir="auto">However, the first line may be indented at most three spaces, -or an indented code block will be triggered:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="2968:1-2974:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> aaa</span> -<span id="LC2" class="line" lang="plaintext">bbb</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><p>aaa</span> -<span id="LC5" class="line" lang="plaintext">bbb</p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="2977:1-2984:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> aaa</span> -<span id="LC2" class="line" lang="plaintext">bbb</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><pre><code>aaa</span> -<span id="LC5" class="line" lang="plaintext"></code></pre></span> -<span id="LC6" class="line" lang="plaintext"><p>bbb</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="2987:1-2989:7" dir="auto">Final spaces are stripped before inline parsing, so a paragraph -that ends with two or more spaces will not end with a [hard line -break]:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="2991:1-2997:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">aaa </span> -<span id="LC2" class="line" lang="plaintext">bbb </span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><p>aaa<br /></span> -<span id="LC5" class="line" lang="plaintext">bbb</p></span></code></pre> -<copy-code></copy-code> -</div> -<h2 data-sourcepos="3000:1-3000:14" dir="auto"> -<a id="user-content-blank-lines" class="anchor" href="#blank-lines" aria-hidden="true"></a>Blank lines</h2> -<p data-sourcepos="3002:1-3004:22" dir="auto">[Blank lines] between block-level elements are ignored, -except for the role they play in determining whether a [list] -is [tight] or [loose].</p> -<p data-sourcepos="3006:1-3006:70" dir="auto">Blank lines at the beginning and end of the document are also ignored.</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="3008:1-3020:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> </span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">aaa</span> -<span id="LC4" class="line" lang="plaintext"> </span> -<span id="LC5" class="line" lang="plaintext"></span> -<span id="LC6" class="line" lang="plaintext"># aaa</span> -<span id="LC7" class="line" lang="plaintext"></span> -<span id="LC8" class="line" lang="plaintext"> </span> -<span id="LC9" class="line" lang="plaintext">.</span> -<span id="LC10" class="line" lang="plaintext"><p>aaa</p></span> -<span id="LC11" class="line" lang="plaintext"><h1>aaa</h1></span></code></pre> -<copy-code></copy-code> -</div> -<div> -<h2 data-sourcepos="3024:1-3024:21"> -<a id="user-content-tables-extension" class="anchor" href="#tables-extension" aria-hidden="true"></a>Tables (extension)</h2> -<p data-sourcepos="3026:1-3027:10">GFM enables the <code>table</code> extension, where an additional leaf block type is -available.</p> -<p data-sourcepos="3029:1-3031:23">A <a href="@">table</a> is an arrangement of data with rows and columns, consisting of a -single header row, a [delimiter row] separating the header from the data, and -zero or more data rows.</p> -<p data-sourcepos="3033:1-3037:23">Each row consists of cells containing arbitrary text, in which [inlines] are -parsed, separated by pipes (<code>|</code>). A leading and trailing pipe is also -recommended for clarity of reading, and if there's otherwise parsing ambiguity. -Spaces between pipes and cell content are trimmed. Block-level elements cannot -be inserted in a table.</p> -<p data-sourcepos="3039:1-3041:40">The <a href="@">delimiter row</a> consists of cells whose only content are hyphens (<code>-</code>), -and optionally, a leading or trailing colon (<code>:</code>), or both, to indicate left, -right, or center alignment respectively.</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="3043:1-3062:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">| foo | bar |</span> -<span id="LC2" class="line" lang="plaintext">| --- | --- |</span> -<span id="LC3" class="line" lang="plaintext">| baz | bim |</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><table></span> -<span id="LC6" class="line" lang="plaintext"><thead></span> -<span id="LC7" class="line" lang="plaintext"><tr></span> -<span id="LC8" class="line" lang="plaintext"><th>foo</th></span> -<span id="LC9" class="line" lang="plaintext"><th>bar</th></span> -<span id="LC10" class="line" lang="plaintext"></tr></span> -<span id="LC11" class="line" lang="plaintext"></thead></span> -<span id="LC12" class="line" lang="plaintext"><tbody></span> -<span id="LC13" class="line" lang="plaintext"><tr></span> -<span id="LC14" class="line" lang="plaintext"><td>baz</td></span> -<span id="LC15" class="line" lang="plaintext"><td>bim</td></span> -<span id="LC16" class="line" lang="plaintext"></tr></span> -<span id="LC17" class="line" lang="plaintext"></tbody></span> -<span id="LC18" class="line" lang="plaintext"></table></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="3064:1-3065:74">Cells in one column don't need to match length, though it's easier to read if -they are. Likewise, use of leading and trailing pipes may be inconsistent:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="3067:1-3086:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">| abc | defghi |</span> -<span id="LC2" class="line" lang="plaintext">:-: | -----------:</span> -<span id="LC3" class="line" lang="plaintext">bar | baz</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><table></span> -<span id="LC6" class="line" lang="plaintext"><thead></span> -<span id="LC7" class="line" lang="plaintext"><tr></span> -<span id="LC8" class="line" lang="plaintext"><th align="center">abc</th></span> -<span id="LC9" class="line" lang="plaintext"><th align="right">defghi</th></span> -<span id="LC10" class="line" lang="plaintext"></tr></span> -<span id="LC11" class="line" lang="plaintext"></thead></span> -<span id="LC12" class="line" lang="plaintext"><tbody></span> -<span id="LC13" class="line" lang="plaintext"><tr></span> -<span id="LC14" class="line" lang="plaintext"><td align="center">bar</td></span> -<span id="LC15" class="line" lang="plaintext"><td align="right">baz</td></span> -<span id="LC16" class="line" lang="plaintext"></tr></span> -<span id="LC17" class="line" lang="plaintext"></tbody></span> -<span id="LC18" class="line" lang="plaintext"></table></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="3088:1-3089:13">Include a pipe in a cell's content by escaping it, including inside other -inline spans:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="3091:1-3112:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">| f\|oo |</span> -<span id="LC2" class="line" lang="plaintext">| ------ |</span> -<span id="LC3" class="line" lang="plaintext">| b `\|` az |</span> -<span id="LC4" class="line" lang="plaintext">| b **\|** im |</span> -<span id="LC5" class="line" lang="plaintext">.</span> -<span id="LC6" class="line" lang="plaintext"><table></span> -<span id="LC7" class="line" lang="plaintext"><thead></span> -<span id="LC8" class="line" lang="plaintext"><tr></span> -<span id="LC9" class="line" lang="plaintext"><th>f|oo</th></span> -<span id="LC10" class="line" lang="plaintext"></tr></span> -<span id="LC11" class="line" lang="plaintext"></thead></span> -<span id="LC12" class="line" lang="plaintext"><tbody></span> -<span id="LC13" class="line" lang="plaintext"><tr></span> -<span id="LC14" class="line" lang="plaintext"><td>b <code>|</code> az</td></span> -<span id="LC15" class="line" lang="plaintext"></tr></span> -<span id="LC16" class="line" lang="plaintext"><tr></span> -<span id="LC17" class="line" lang="plaintext"><td>b <strong>|</strong> im</td></span> -<span id="LC18" class="line" lang="plaintext"></tr></span> -<span id="LC19" class="line" lang="plaintext"></tbody></span> -<span id="LC20" class="line" lang="plaintext"></table></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="3114:1-3115:22">The table is broken at the first empty line, or beginning of another -block-level structure:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="3117:1-3140:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">| abc | def |</span> -<span id="LC2" class="line" lang="plaintext">| --- | --- |</span> -<span id="LC3" class="line" lang="plaintext">| bar | baz |</span> -<span id="LC4" class="line" lang="plaintext">> bar</span> -<span id="LC5" class="line" lang="plaintext">.</span> -<span id="LC6" class="line" lang="plaintext"><table></span> -<span id="LC7" class="line" lang="plaintext"><thead></span> -<span id="LC8" class="line" lang="plaintext"><tr></span> -<span id="LC9" class="line" lang="plaintext"><th>abc</th></span> -<span id="LC10" class="line" lang="plaintext"><th>def</th></span> -<span id="LC11" class="line" lang="plaintext"></tr></span> -<span id="LC12" class="line" lang="plaintext"></thead></span> -<span id="LC13" class="line" lang="plaintext"><tbody></span> -<span id="LC14" class="line" lang="plaintext"><tr></span> -<span id="LC15" class="line" lang="plaintext"><td>bar</td></span> -<span id="LC16" class="line" lang="plaintext"><td>baz</td></span> -<span id="LC17" class="line" lang="plaintext"></tr></span> -<span id="LC18" class="line" lang="plaintext"></tbody></span> -<span id="LC19" class="line" lang="plaintext"></table></span> -<span id="LC20" class="line" lang="plaintext"><blockquote></span> -<span id="LC21" class="line" lang="plaintext"><p>bar</p></span> -<span id="LC22" class="line" lang="plaintext"></blockquote></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="3142:1-3169:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">| abc | def |</span> -<span id="LC2" class="line" lang="plaintext">| --- | --- |</span> -<span id="LC3" class="line" lang="plaintext">| bar | baz |</span> -<span id="LC4" class="line" lang="plaintext">bar</span> -<span id="LC5" class="line" lang="plaintext"></span> -<span id="LC6" class="line" lang="plaintext">bar</span> -<span id="LC7" class="line" lang="plaintext">.</span> -<span id="LC8" class="line" lang="plaintext"><table></span> -<span id="LC9" class="line" lang="plaintext"><thead></span> -<span id="LC10" class="line" lang="plaintext"><tr></span> -<span id="LC11" class="line" lang="plaintext"><th>abc</th></span> -<span id="LC12" class="line" lang="plaintext"><th>def</th></span> -<span id="LC13" class="line" lang="plaintext"></tr></span> -<span id="LC14" class="line" lang="plaintext"></thead></span> -<span id="LC15" class="line" lang="plaintext"><tbody></span> -<span id="LC16" class="line" lang="plaintext"><tr></span> -<span id="LC17" class="line" lang="plaintext"><td>bar</td></span> -<span id="LC18" class="line" lang="plaintext"><td>baz</td></span> -<span id="LC19" class="line" lang="plaintext"></tr></span> -<span id="LC20" class="line" lang="plaintext"><tr></span> -<span id="LC21" class="line" lang="plaintext"><td>bar</td></span> -<span id="LC22" class="line" lang="plaintext"><td></td></span> -<span id="LC23" class="line" lang="plaintext"></tr></span> -<span id="LC24" class="line" lang="plaintext"></tbody></span> -<span id="LC25" class="line" lang="plaintext"></table></span> -<span id="LC26" class="line" lang="plaintext"><p>bar</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="3171:1-3172:31">The header row must match the [delimiter row] in the number of cells. If not, -a table will not be recognized:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="3174:1-3182:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">| abc | def |</span> -<span id="LC2" class="line" lang="plaintext">| --- |</span> -<span id="LC3" class="line" lang="plaintext">| bar |</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p>| abc | def |</span> -<span id="LC6" class="line" lang="plaintext">| --- |</span> -<span id="LC7" class="line" lang="plaintext">| bar |</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="3184:1-3186:65">The remainder of the table's rows may vary in the number of cells. If there -are a number of cells fewer than the number of cells in the header row, empty -cells are inserted. If there are greater, the excess is ignored:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="3188:1-3212:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">| abc | def |</span> -<span id="LC2" class="line" lang="plaintext">| --- | --- |</span> -<span id="LC3" class="line" lang="plaintext">| bar |</span> -<span id="LC4" class="line" lang="plaintext">| bar | baz | boo |</span> -<span id="LC5" class="line" lang="plaintext">.</span> -<span id="LC6" class="line" lang="plaintext"><table></span> -<span id="LC7" class="line" lang="plaintext"><thead></span> -<span id="LC8" class="line" lang="plaintext"><tr></span> -<span id="LC9" class="line" lang="plaintext"><th>abc</th></span> -<span id="LC10" class="line" lang="plaintext"><th>def</th></span> -<span id="LC11" class="line" lang="plaintext"></tr></span> -<span id="LC12" class="line" lang="plaintext"></thead></span> -<span id="LC13" class="line" lang="plaintext"><tbody></span> -<span id="LC14" class="line" lang="plaintext"><tr></span> -<span id="LC15" class="line" lang="plaintext"><td>bar</td></span> -<span id="LC16" class="line" lang="plaintext"><td></td></span> -<span id="LC17" class="line" lang="plaintext"></tr></span> -<span id="LC18" class="line" lang="plaintext"><tr></span> -<span id="LC19" class="line" lang="plaintext"><td>bar</td></span> -<span id="LC20" class="line" lang="plaintext"><td>baz</td></span> -<span id="LC21" class="line" lang="plaintext"></tr></span> -<span id="LC22" class="line" lang="plaintext"></tbody></span> -<span id="LC23" class="line" lang="plaintext"></table></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="3214:1-3214:75">If there are no rows in the body, no <code><tbody></code> is generated in HTML output:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="3216:1-3228:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">| abc | def |</span> -<span id="LC2" class="line" lang="plaintext">| --- | --- |</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><table></span> -<span id="LC5" class="line" lang="plaintext"><thead></span> -<span id="LC6" class="line" lang="plaintext"><tr></span> -<span id="LC7" class="line" lang="plaintext"><th>abc</th></span> -<span id="LC8" class="line" lang="plaintext"><th>def</th></span> -<span id="LC9" class="line" lang="plaintext"></tr></span> -<span id="LC10" class="line" lang="plaintext"></thead></span> -<span id="LC11" class="line" lang="plaintext"></table></span></code></pre> -<copy-code></copy-code> -</div> -</div> -<h1 data-sourcepos="3232:1-3232:18" dir="auto"> -<a id="user-content-container-blocks" class="anchor" href="#container-blocks" aria-hidden="true"></a>Container blocks</h1> -<p data-sourcepos="3234:1-3237:45" dir="auto">A <a href="#container-blocks">container block</a> is a block that has other -blocks as its contents. There are two basic kinds of container blocks: -[block quotes] and [list items]. -[Lists] are meta-containers for [list items].</p> -<p data-sourcepos="3239:1-3240:26" dir="auto">We define the syntax for container blocks recursively. The general -form of the definition is:</p> -<blockquote data-sourcepos="3242:1-3244:35" dir="auto"> -<p data-sourcepos="3242:3-3244:35">If X is a sequence of blocks, then the result of -transforming X in such-and-such a way is a container of type Y -with these blocks as its content.</p> -</blockquote> -<p data-sourcepos="3246:1-3250:52" dir="auto">So, we explain what counts as a block quote or list item by explaining -how these can be <em>generated</em> from their contents. This should suffice -to define the syntax, although it does not give a recipe for <em>parsing</em> -these constructions. (A recipe is provided below in the section entitled -<a href="#appendix-a-parsing-strategy">A parsing strategy</a>.)</p> -<h2 data-sourcepos="3252:1-3252:15" dir="auto"> -<a id="user-content-block-quotes" class="anchor" href="#block-quotes" aria-hidden="true"></a>Block quotes</h2> -<p data-sourcepos="3254:1-3256:78" dir="auto">A <a href="@">block quote marker</a> -consists of 0-3 spaces of initial indent, plus (a) the character <code>></code> together -with a following space, or (b) a single character <code>></code> not followed by a space.</p> -<p data-sourcepos="3258:1-3258:42" dir="auto">The following rules define [block quotes]:</p> -<ol data-sourcepos="3260:1-3277:0" dir="auto"> -<li data-sourcepos="3260:1-3264:0"> -<p data-sourcepos="3260:5-3263:54"><strong>Basic case.</strong> If a string of lines <em>Ls</em> constitute a sequence -of blocks <em>Bs</em>, then the result of prepending a [block quote -marker] to the beginning of each line in <em>Ls</em> -is a <a href="#block-quotes">block quote</a> containing <em>Bs</em>.</p> -</li> -<li data-sourcepos="3265:1-3274:0"> -<p data-sourcepos="3265:5-3273:48"><strong>Laziness.</strong> If a string of lines <em>Ls</em> constitute a <a href="#block-quotes">block -quote</a> with contents <em>Bs</em>, then the result of deleting -the initial [block quote marker] from one or -more lines in which the next [non-whitespace character] after the [block -quote marker] is [paragraph continuation -text] is a block quote with <em>Bs</em> as its content. -<a href="@">Paragraph continuation text</a> is text -that will be parsed as part of the content of a paragraph, but does -not occur at the beginning of the paragraph.</p> -</li> -<li data-sourcepos="3275:1-3277:0"> -<p data-sourcepos="3275:5-3276:65"><strong>Consecutiveness.</strong> A document cannot contain two [block -quotes] in a row unless there is a [blank line] between them.</p> -</li> -</ol> -<p data-sourcepos="3278:1-3278:54" dir="auto">Nothing else counts as a <a href="#block-quotes">block quote</a>.</p> -<p data-sourcepos="3280:1-3280:25" dir="auto">Here is a simple example:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="3282:1-3292:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">> # Foo</span> -<span id="LC2" class="line" lang="plaintext">> bar</span> -<span id="LC3" class="line" lang="plaintext">> baz</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><blockquote></span> -<span id="LC6" class="line" lang="plaintext"><h1>Foo</h1></span> -<span id="LC7" class="line" lang="plaintext"><p>bar</span> -<span id="LC8" class="line" lang="plaintext">baz</p></span> -<span id="LC9" class="line" lang="plaintext"></blockquote></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="3295:1-3295:51" dir="auto">The spaces after the <code>></code> characters can be omitted:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="3297:1-3307:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">># Foo</span> -<span id="LC2" class="line" lang="plaintext">>bar</span> -<span id="LC3" class="line" lang="plaintext">> baz</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><blockquote></span> -<span id="LC6" class="line" lang="plaintext"><h1>Foo</h1></span> -<span id="LC7" class="line" lang="plaintext"><p>bar</span> -<span id="LC8" class="line" lang="plaintext">baz</p></span> -<span id="LC9" class="line" lang="plaintext"></blockquote></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="3310:1-3310:46" dir="auto">The <code>></code> characters can be indented 1-3 spaces:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="3312:1-3322:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> > # Foo</span> -<span id="LC2" class="line" lang="plaintext"> > bar</span> -<span id="LC3" class="line" lang="plaintext"> > baz</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><blockquote></span> -<span id="LC6" class="line" lang="plaintext"><h1>Foo</h1></span> -<span id="LC7" class="line" lang="plaintext"><p>bar</span> -<span id="LC8" class="line" lang="plaintext">baz</p></span> -<span id="LC9" class="line" lang="plaintext"></blockquote></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="3325:1-3325:34" dir="auto">Four spaces gives us a code block:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="3327:1-3336:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> > # Foo</span> -<span id="LC2" class="line" lang="plaintext"> > bar</span> -<span id="LC3" class="line" lang="plaintext"> > baz</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><pre><code>&gt; # Foo</span> -<span id="LC6" class="line" lang="plaintext">&gt; bar</span> -<span id="LC7" class="line" lang="plaintext">&gt; baz</span> -<span id="LC8" class="line" lang="plaintext"></code></pre></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="3339:1-3340:30" dir="auto">The Laziness clause allows us to omit the <code>></code> before -[paragraph continuation text]:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="3342:1-3352:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">> # Foo</span> -<span id="LC2" class="line" lang="plaintext">> bar</span> -<span id="LC3" class="line" lang="plaintext">baz</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><blockquote></span> -<span id="LC6" class="line" lang="plaintext"><h1>Foo</h1></span> -<span id="LC7" class="line" lang="plaintext"><p>bar</span> -<span id="LC8" class="line" lang="plaintext">baz</p></span> -<span id="LC9" class="line" lang="plaintext"></blockquote></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="3355:1-3356:19" dir="auto">A block quote can contain some lazy and some non-lazy -continuation lines:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="3358:1-3368:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">> bar</span> -<span id="LC2" class="line" lang="plaintext">baz</span> -<span id="LC3" class="line" lang="plaintext">> foo</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><blockquote></span> -<span id="LC6" class="line" lang="plaintext"><p>bar</span> -<span id="LC7" class="line" lang="plaintext">baz</span> -<span id="LC8" class="line" lang="plaintext">foo</p></span> -<span id="LC9" class="line" lang="plaintext"></blockquote></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="3371:1-3373:61" dir="auto">Laziness only applies to lines that would have been continuations of -paragraphs had they been prepended with [block quote markers]. -For example, the <code>> </code> cannot be omitted in the second line of</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="3375:1-3378:3" class="code highlight js-syntax-highlight language-markdown" lang="markdown" v-pre="true"><code><span id="LC1" class="line" lang="markdown"><span class="gt">> foo</span></span> -<span id="LC2" class="line" lang="markdown"><span class="gt">> ---</span></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="3380:1-3380:29" dir="auto">without changing the meaning:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="3382:1-3390:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">> foo</span> -<span id="LC2" class="line" lang="plaintext">---</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><blockquote></span> -<span id="LC5" class="line" lang="plaintext"><p>foo</p></span> -<span id="LC6" class="line" lang="plaintext"></blockquote></span> -<span id="LC7" class="line" lang="plaintext"><hr /></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="3393:1-3393:52" dir="auto">Similarly, if we omit the <code>> </code> in the second line of</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="3395:1-3398:3" class="code highlight js-syntax-highlight language-markdown" lang="markdown" v-pre="true"><code><span id="LC1" class="line" lang="markdown"><span class="gt">> - foo</span></span> -<span id="LC2" class="line" lang="markdown"><span class="gt">> - bar</span></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="3400:1-3400:47" dir="auto">then the block quote ends after the first line:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="3402:1-3414:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">> - foo</span> -<span id="LC2" class="line" lang="plaintext">- bar</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><blockquote></span> -<span id="LC5" class="line" lang="plaintext"><ul></span> -<span id="LC6" class="line" lang="plaintext"><li>foo</li></span> -<span id="LC7" class="line" lang="plaintext"></ul></span> -<span id="LC8" class="line" lang="plaintext"></blockquote></span> -<span id="LC9" class="line" lang="plaintext"><ul></span> -<span id="LC10" class="line" lang="plaintext"><li>bar</li></span> -<span id="LC11" class="line" lang="plaintext"></ul></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="3417:1-3418:53" dir="auto">For the same reason, we can't omit the <code>> </code> in front of -subsequent lines of an indented or fenced code block:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="3420:1-3430:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">> foo</span> -<span id="LC2" class="line" lang="plaintext"> bar</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><blockquote></span> -<span id="LC5" class="line" lang="plaintext"><pre><code>foo</span> -<span id="LC6" class="line" lang="plaintext"></code></pre></span> -<span id="LC7" class="line" lang="plaintext"></blockquote></span> -<span id="LC8" class="line" lang="plaintext"><pre><code>bar</span> -<span id="LC9" class="line" lang="plaintext"></code></pre></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="3433:1-3443:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">> ```</span> -<span id="LC2" class="line" lang="plaintext">foo</span> -<span id="LC3" class="line" lang="plaintext">```</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><blockquote></span> -<span id="LC6" class="line" lang="plaintext"><pre><code></code></pre></span> -<span id="LC7" class="line" lang="plaintext"></blockquote></span> -<span id="LC8" class="line" lang="plaintext"><p>foo</p></span> -<span id="LC9" class="line" lang="plaintext"><pre><code></code></pre></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="3446:1-3447:19" dir="auto">Note that in the following case, we have a [lazy -continuation line]:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="3449:1-3457:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">> foo</span> -<span id="LC2" class="line" lang="plaintext"> - bar</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><blockquote></span> -<span id="LC5" class="line" lang="plaintext"><p>foo</span> -<span id="LC6" class="line" lang="plaintext">- bar</p></span> -<span id="LC7" class="line" lang="plaintext"></blockquote></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="3460:1-3460:24" dir="auto">To see why, note that in</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="3462:1-3465:3" class="code highlight js-syntax-highlight language-markdown" lang="markdown" v-pre="true"><code><span id="LC1" class="line" lang="markdown"><span class="gt">> foo</span></span> -<span id="LC2" class="line" lang="markdown"><span class="gt">> - bar</span></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="3467:1-3469:61" dir="auto">the <code>- bar</code> is indented too far to start a list, and can't -be an indented code block because indented code blocks cannot -interrupt paragraphs, so it is [paragraph continuation text].</p> -<p data-sourcepos="3471:1-3471:27" dir="auto">A block quote can be empty:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="3473:1-3478:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">></span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><blockquote></span> -<span id="LC4" class="line" lang="plaintext"></blockquote></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="3481:1-3488:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">></span> -<span id="LC2" class="line" lang="plaintext">> </span> -<span id="LC3" class="line" lang="plaintext">> </span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><blockquote></span> -<span id="LC6" class="line" lang="plaintext"></blockquote></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="3491:1-3491:52" dir="auto">A block quote can have initial or final blank lines:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="3493:1-3501:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">></span> -<span id="LC2" class="line" lang="plaintext">> foo</span> -<span id="LC3" class="line" lang="plaintext">> </span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><blockquote></span> -<span id="LC6" class="line" lang="plaintext"><p>foo</p></span> -<span id="LC7" class="line" lang="plaintext"></blockquote></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="3504:1-3504:43" dir="auto">A blank line always separates block quotes:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="3506:1-3517:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">> foo</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">> bar</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><blockquote></span> -<span id="LC6" class="line" lang="plaintext"><p>foo</p></span> -<span id="LC7" class="line" lang="plaintext"></blockquote></span> -<span id="LC8" class="line" lang="plaintext"><blockquote></span> -<span id="LC9" class="line" lang="plaintext"><p>bar</p></span> -<span id="LC10" class="line" lang="plaintext"></blockquote></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="3520:1-3523:44" dir="auto">(Most current Markdown implementations, including John Gruber's -original <code>Markdown.pl</code>, will parse this example as a single block quote -with two paragraphs. But it seems better to allow the author to decide -whether two block quotes or one are wanted.)</p> -<p data-sourcepos="3525:1-3526:28" dir="auto">Consecutiveness means that if we put these block quotes together, -we get a single block quote:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="3528:1-3536:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">> foo</span> -<span id="LC2" class="line" lang="plaintext">> bar</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><blockquote></span> -<span id="LC5" class="line" lang="plaintext"><p>foo</span> -<span id="LC6" class="line" lang="plaintext">bar</p></span> -<span id="LC7" class="line" lang="plaintext"></blockquote></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="3539:1-3539:46" dir="auto">To get a block quote with two paragraphs, use:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="3541:1-3550:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">> foo</span> -<span id="LC2" class="line" lang="plaintext">></span> -<span id="LC3" class="line" lang="plaintext">> bar</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><blockquote></span> -<span id="LC6" class="line" lang="plaintext"><p>foo</p></span> -<span id="LC7" class="line" lang="plaintext"><p>bar</p></span> -<span id="LC8" class="line" lang="plaintext"></blockquote></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="3553:1-3553:38" dir="auto">Block quotes can interrupt paragraphs:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="3555:1-3563:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo</span> -<span id="LC2" class="line" lang="plaintext">> bar</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><p>foo</p></span> -<span id="LC5" class="line" lang="plaintext"><blockquote></span> -<span id="LC6" class="line" lang="plaintext"><p>bar</p></span> -<span id="LC7" class="line" lang="plaintext"></blockquote></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="3566:1-3567:7" dir="auto">In general, blank lines are not needed before or after block -quotes:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="3569:1-3581:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">> aaa</span> -<span id="LC2" class="line" lang="plaintext">***</span> -<span id="LC3" class="line" lang="plaintext">> bbb</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><blockquote></span> -<span id="LC6" class="line" lang="plaintext"><p>aaa</p></span> -<span id="LC7" class="line" lang="plaintext"></blockquote></span> -<span id="LC8" class="line" lang="plaintext"><hr /></span> -<span id="LC9" class="line" lang="plaintext"><blockquote></span> -<span id="LC10" class="line" lang="plaintext"><p>bbb</p></span> -<span id="LC11" class="line" lang="plaintext"></blockquote></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="3584:1-3585:40" dir="auto">However, because of laziness, a blank line is needed between -a block quote and a following paragraph:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="3587:1-3595:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">> bar</span> -<span id="LC2" class="line" lang="plaintext">baz</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><blockquote></span> -<span id="LC5" class="line" lang="plaintext"><p>bar</span> -<span id="LC6" class="line" lang="plaintext">baz</p></span> -<span id="LC7" class="line" lang="plaintext"></blockquote></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="3598:1-3607:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">> bar</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">baz</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><blockquote></span> -<span id="LC6" class="line" lang="plaintext"><p>bar</p></span> -<span id="LC7" class="line" lang="plaintext"></blockquote></span> -<span id="LC8" class="line" lang="plaintext"><p>baz</p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="3610:1-3619:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">> bar</span> -<span id="LC2" class="line" lang="plaintext">></span> -<span id="LC3" class="line" lang="plaintext">baz</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><blockquote></span> -<span id="LC6" class="line" lang="plaintext"><p>bar</p></span> -<span id="LC7" class="line" lang="plaintext"></blockquote></span> -<span id="LC8" class="line" lang="plaintext"><p>baz</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="3622:1-3624:19" dir="auto">It is a consequence of the Laziness rule that any number -of initial <code>></code>s may be omitted on a continuation line of a -nested block quote:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="3626:1-3638:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">> > > foo</span> -<span id="LC2" class="line" lang="plaintext">bar</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><blockquote></span> -<span id="LC5" class="line" lang="plaintext"><blockquote></span> -<span id="LC6" class="line" lang="plaintext"><blockquote></span> -<span id="LC7" class="line" lang="plaintext"><p>foo</span> -<span id="LC8" class="line" lang="plaintext">bar</p></span> -<span id="LC9" class="line" lang="plaintext"></blockquote></span> -<span id="LC10" class="line" lang="plaintext"></blockquote></span> -<span id="LC11" class="line" lang="plaintext"></blockquote></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="3641:1-3655:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">>>> foo</span> -<span id="LC2" class="line" lang="plaintext">> bar</span> -<span id="LC3" class="line" lang="plaintext">>>baz</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><blockquote></span> -<span id="LC6" class="line" lang="plaintext"><blockquote></span> -<span id="LC7" class="line" lang="plaintext"><blockquote></span> -<span id="LC8" class="line" lang="plaintext"><p>foo</span> -<span id="LC9" class="line" lang="plaintext">bar</span> -<span id="LC10" class="line" lang="plaintext">baz</p></span> -<span id="LC11" class="line" lang="plaintext"></blockquote></span> -<span id="LC12" class="line" lang="plaintext"></blockquote></span> -<span id="LC13" class="line" lang="plaintext"></blockquote></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="3658:1-3661:8" dir="auto">When including an indented code block in a block quote, -remember that the [block quote marker] includes -both the <code>></code> and a following space. So <em>five spaces</em> are needed after -the <code>></code>:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="3663:1-3675:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">> code</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">> not code</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><blockquote></span> -<span id="LC6" class="line" lang="plaintext"><pre><code>code</span> -<span id="LC7" class="line" lang="plaintext"></code></pre></span> -<span id="LC8" class="line" lang="plaintext"></blockquote></span> -<span id="LC9" class="line" lang="plaintext"><blockquote></span> -<span id="LC10" class="line" lang="plaintext"><p>not code</p></span> -<span id="LC11" class="line" lang="plaintext"></blockquote></span></code></pre> -<copy-code></copy-code> -</div> -<h2 data-sourcepos="3679:1-3679:13" dir="auto"> -<a id="user-content-list-items" class="anchor" href="#list-items" aria-hidden="true"></a>List items</h2> -<p data-sourcepos="3681:1-3682:49" dir="auto">A <a href="@">list marker</a> is a -[bullet list marker] or an [ordered list marker].</p> -<p data-sourcepos="3684:1-3685:32" dir="auto">A <a href="@">bullet list marker</a> -is a <code>-</code>, <code>+</code>, or <code>*</code> character.</p> -<p data-sourcepos="3687:1-3691:18" dir="auto">An <a href="@">ordered list marker</a> -is a sequence of 1--9 arabic digits (<code>0-9</code>), followed by either a -<code>.</code> character or a <code>)</code> character. (The reason for the length -limit is that with 10 digits we start seeing integer overflows -in some browsers.)</p> -<p data-sourcepos="3693:1-3693:40" dir="auto">The following rules define [list items]:</p> -<ol data-sourcepos="3695:1-3714:0" dir="auto"> -<li data-sourcepos="3695:1-3714:0"> -<p data-sourcepos="3695:5-3703:45"><strong>Basic case.</strong> If a sequence of lines <em>Ls</em> constitute a sequence of -blocks <em>Bs</em> starting with a [non-whitespace character], and <em>M</em> is a -list marker of width <em>W</em> followed by 1 ≤ <em>N</em> ≤ 4 spaces, then the result -of prepending <em>M</em> and the following spaces to the first line of -<em>Ls</em>, and indenting subsequent lines of <em>Ls</em> by <em>W + N</em> spaces, is a -list item with <em>Bs</em> as its contents. The type of the list item -(bullet or ordered) is determined by the type of its list marker. -If the list item is ordered, then it is also assigned a start -number, based on the ordered list marker.</p> -<p data-sourcepos="3705:5-3705:15">Exceptions:</p> -<ol data-sourcepos="3707:5-3714:0"> -<li data-sourcepos="3707:5-3711:57">When the first list item in a [list] interrupts -a paragraph---that is, when it starts on a line that would -otherwise count as [paragraph continuation text]---then (a) -the lines <em>Ls</em> must not begin with a blank line, and (b) if -the list item is ordered, the start number must be 1.</li> -<li data-sourcepos="3712:5-3714:0">If any line is a [thematic break][thematic breaks] then -that line is not a list item.</li> -</ol> -</li> -</ol> -<p data-sourcepos="3715:1-3715:34" dir="auto">For example, let <em>Ls</em> be the lines</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="3717:1-3732:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">A paragraph</span> -<span id="LC2" class="line" lang="plaintext">with two lines.</span> -<span id="LC3" class="line" lang="plaintext"></span> -<span id="LC4" class="line" lang="plaintext"> indented code</span> -<span id="LC5" class="line" lang="plaintext"></span> -<span id="LC6" class="line" lang="plaintext">> A block quote.</span> -<span id="LC7" class="line" lang="plaintext">.</span> -<span id="LC8" class="line" lang="plaintext"><p>A paragraph</span> -<span id="LC9" class="line" lang="plaintext">with two lines.</p></span> -<span id="LC10" class="line" lang="plaintext"><pre><code>indented code</span> -<span id="LC11" class="line" lang="plaintext"></code></pre></span> -<span id="LC12" class="line" lang="plaintext"><blockquote></span> -<span id="LC13" class="line" lang="plaintext"><p>A block quote.</p></span> -<span id="LC14" class="line" lang="plaintext"></blockquote></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="3735:1-3737:30" dir="auto">And let <em>M</em> be the marker <code>1.</code>, and <em>N</em> = 2. Then rule #1 says -that the following is an ordered list item with start number 1, -and the same contents as <em>Ls</em>:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="3739:1-3758:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">1. A paragraph</span> -<span id="LC2" class="line" lang="plaintext"> with two lines.</span> -<span id="LC3" class="line" lang="plaintext"></span> -<span id="LC4" class="line" lang="plaintext"> indented code</span> -<span id="LC5" class="line" lang="plaintext"></span> -<span id="LC6" class="line" lang="plaintext"> > A block quote.</span> -<span id="LC7" class="line" lang="plaintext">.</span> -<span id="LC8" class="line" lang="plaintext"><ol></span> -<span id="LC9" class="line" lang="plaintext"><li></span> -<span id="LC10" class="line" lang="plaintext"><p>A paragraph</span> -<span id="LC11" class="line" lang="plaintext">with two lines.</p></span> -<span id="LC12" class="line" lang="plaintext"><pre><code>indented code</span> -<span id="LC13" class="line" lang="plaintext"></code></pre></span> -<span id="LC14" class="line" lang="plaintext"><blockquote></span> -<span id="LC15" class="line" lang="plaintext"><p>A block quote.</p></span> -<span id="LC16" class="line" lang="plaintext"></blockquote></span> -<span id="LC17" class="line" lang="plaintext"></li></span> -<span id="LC18" class="line" lang="plaintext"></ol></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="3761:1-3767:5" dir="auto">The most important thing to notice is that the position of -the text after the list marker determines how much indentation -is needed in subsequent blocks in the list item. If the list -marker takes up two spaces, and there are three spaces between -the list marker and the next [non-whitespace character], then blocks -must be indented five spaces in order to fall under the list -item.</p> -<p data-sourcepos="3769:1-3770:24" dir="auto">Here are some examples showing how far content must be indented to be -put under the list item:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="3772:1-3781:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- one</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext"> two</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><ul></span> -<span id="LC6" class="line" lang="plaintext"><li>one</li></span> -<span id="LC7" class="line" lang="plaintext"></ul></span> -<span id="LC8" class="line" lang="plaintext"><p>two</p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="3784:1-3795:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- one</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext"> two</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><ul></span> -<span id="LC6" class="line" lang="plaintext"><li></span> -<span id="LC7" class="line" lang="plaintext"><p>one</p></span> -<span id="LC8" class="line" lang="plaintext"><p>two</p></span> -<span id="LC9" class="line" lang="plaintext"></li></span> -<span id="LC10" class="line" lang="plaintext"></ul></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="3798:1-3808:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> - one</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext"> two</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><ul></span> -<span id="LC6" class="line" lang="plaintext"><li>one</li></span> -<span id="LC7" class="line" lang="plaintext"></ul></span> -<span id="LC8" class="line" lang="plaintext"><pre><code> two</span> -<span id="LC9" class="line" lang="plaintext"></code></pre></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="3811:1-3822:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> - one</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext"> two</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><ul></span> -<span id="LC6" class="line" lang="plaintext"><li></span> -<span id="LC7" class="line" lang="plaintext"><p>one</p></span> -<span id="LC8" class="line" lang="plaintext"><p>two</p></span> -<span id="LC9" class="line" lang="plaintext"></li></span> -<span id="LC10" class="line" lang="plaintext"></ul></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="3825:1-3831:13" dir="auto">It is tempting to think of this in terms of columns: the continuation -blocks must be indented at least to the column of the first -[non-whitespace character] after the list marker. However, that is not quite right. -The spaces after the list marker determine how much relative indentation -is needed. Which column this indentation reaches will depend on -how the list item is embedded in other constructions, as shown by -this example:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="3833:1-3848:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> > > 1. one</span> -<span id="LC2" class="line" lang="plaintext">>></span> -<span id="LC3" class="line" lang="plaintext">>> two</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><blockquote></span> -<span id="LC6" class="line" lang="plaintext"><blockquote></span> -<span id="LC7" class="line" lang="plaintext"><ol></span> -<span id="LC8" class="line" lang="plaintext"><li></span> -<span id="LC9" class="line" lang="plaintext"><p>one</p></span> -<span id="LC10" class="line" lang="plaintext"><p>two</p></span> -<span id="LC11" class="line" lang="plaintext"></li></span> -<span id="LC12" class="line" lang="plaintext"></ol></span> -<span id="LC13" class="line" lang="plaintext"></blockquote></span> -<span id="LC14" class="line" lang="plaintext"></blockquote></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="3851:1-3853:67" dir="auto">Here <code>two</code> occurs in the same column as the list marker <code>1.</code>, -but is actually contained in the list item, because there is -sufficient indentation after the last containing blockquote marker.</p> -<p data-sourcepos="3855:1-3858:38" dir="auto">The converse is also possible. In the following example, the word <code>two</code> -occurs far to the right of the initial text of the list item, <code>one</code>, but -it is not considered part of the list item, because it is not indented -far enough past the blockquote marker:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="3860:1-3873:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">>>- one</span> -<span id="LC2" class="line" lang="plaintext">>></span> -<span id="LC3" class="line" lang="plaintext"> > > two</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><blockquote></span> -<span id="LC6" class="line" lang="plaintext"><blockquote></span> -<span id="LC7" class="line" lang="plaintext"><ul></span> -<span id="LC8" class="line" lang="plaintext"><li>one</li></span> -<span id="LC9" class="line" lang="plaintext"></ul></span> -<span id="LC10" class="line" lang="plaintext"><p>two</p></span> -<span id="LC11" class="line" lang="plaintext"></blockquote></span> -<span id="LC12" class="line" lang="plaintext"></blockquote></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="3876:1-3877:51" dir="auto">Note that at least one space is needed between the list marker and -any following content, so these are not list items:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="3879:1-3886:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">-one</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">2.two</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p>-one</p></span> -<span id="LC6" class="line" lang="plaintext"><p>2.two</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="3889:1-3890:15" dir="auto">A list item may contain blocks that are separated by more than -one blank line.</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="3892:1-3904:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- foo</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext"></span> -<span id="LC4" class="line" lang="plaintext"> bar</span> -<span id="LC5" class="line" lang="plaintext">.</span> -<span id="LC6" class="line" lang="plaintext"><ul></span> -<span id="LC7" class="line" lang="plaintext"><li></span> -<span id="LC8" class="line" lang="plaintext"><p>foo</p></span> -<span id="LC9" class="line" lang="plaintext"><p>bar</p></span> -<span id="LC10" class="line" lang="plaintext"></li></span> -<span id="LC11" class="line" lang="plaintext"></ul></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="3907:1-3907:42" dir="auto">A list item may contain any kind of block:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="3909:1-3931:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">1. foo</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext"> ```</span> -<span id="LC4" class="line" lang="plaintext"> bar</span> -<span id="LC5" class="line" lang="plaintext"> ```</span> -<span id="LC6" class="line" lang="plaintext"></span> -<span id="LC7" class="line" lang="plaintext"> baz</span> -<span id="LC8" class="line" lang="plaintext"></span> -<span id="LC9" class="line" lang="plaintext"> > bam</span> -<span id="LC10" class="line" lang="plaintext">.</span> -<span id="LC11" class="line" lang="plaintext"><ol></span> -<span id="LC12" class="line" lang="plaintext"><li></span> -<span id="LC13" class="line" lang="plaintext"><p>foo</p></span> -<span id="LC14" class="line" lang="plaintext"><pre><code>bar</span> -<span id="LC15" class="line" lang="plaintext"></code></pre></span> -<span id="LC16" class="line" lang="plaintext"><p>baz</p></span> -<span id="LC17" class="line" lang="plaintext"><blockquote></span> -<span id="LC18" class="line" lang="plaintext"><p>bam</p></span> -<span id="LC19" class="line" lang="plaintext"></blockquote></span> -<span id="LC20" class="line" lang="plaintext"></li></span> -<span id="LC21" class="line" lang="plaintext"></ol></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="3934:1-3935:43" dir="auto">A list item that contains an indented code block will preserve -empty lines within the code block verbatim.</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="3937:1-3955:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- Foo</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext"> bar</span> -<span id="LC4" class="line" lang="plaintext"></span> -<span id="LC5" class="line" lang="plaintext"></span> -<span id="LC6" class="line" lang="plaintext"> baz</span> -<span id="LC7" class="line" lang="plaintext">.</span> -<span id="LC8" class="line" lang="plaintext"><ul></span> -<span id="LC9" class="line" lang="plaintext"><li></span> -<span id="LC10" class="line" lang="plaintext"><p>Foo</p></span> -<span id="LC11" class="line" lang="plaintext"><pre><code>bar</span> -<span id="LC12" class="line" lang="plaintext"></span> -<span id="LC13" class="line" lang="plaintext"></span> -<span id="LC14" class="line" lang="plaintext">baz</span> -<span id="LC15" class="line" lang="plaintext"></code></pre></span> -<span id="LC16" class="line" lang="plaintext"></li></span> -<span id="LC17" class="line" lang="plaintext"></ul></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="3957:1-3957:65" dir="auto">Note that ordered list start numbers must be nine digits or less:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="3959:1-3965:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">123456789. ok</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><ol start="123456789"></span> -<span id="LC4" class="line" lang="plaintext"><li>ok</li></span> -<span id="LC5" class="line" lang="plaintext"></ol></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="3968:1-3972:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">1234567890. not ok</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>1234567890. not ok</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="3975:1-3975:33" dir="auto">A start number may begin with 0s:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="3977:1-3983:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">0. ok</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><ol start="0"></span> -<span id="LC4" class="line" lang="plaintext"><li>ok</li></span> -<span id="LC5" class="line" lang="plaintext"></ol></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="3986:1-3992:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">003. ok</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><ol start="3"></span> -<span id="LC4" class="line" lang="plaintext"><li>ok</li></span> -<span id="LC5" class="line" lang="plaintext"></ol></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="3995:1-3995:35" dir="auto">A start number may not be negative:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="3997:1-4001:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">-1. not ok</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>-1. not ok</p></span></code></pre> -<copy-code></copy-code> -</div> -<ol start="2" data-sourcepos="4005:1-4015:0" dir="auto"> -<li data-sourcepos="4005:1-4015:0"> -<strong>Item starting with indented code.</strong> If a sequence of lines <em>Ls</em> -constitute a sequence of blocks <em>Bs</em> starting with an indented code -block, and <em>M</em> is a list marker of width <em>W</em> followed by -one space, then the result of prepending <em>M</em> and the following -space to the first line of <em>Ls</em>, and indenting subsequent lines of -<em>Ls</em> by <em>W + 1</em> spaces, is a list item with <em>Bs</em> as its contents. -If a line is empty, then it need not be indented. The type of the -list item (bullet or ordered) is determined by the type of its list -marker. If the list item is ordered, then it is also assigned a -start number, based on the ordered list marker.</li> -</ol> -<p data-sourcepos="4016:1-4018:39" dir="auto">An indented code block will have to be indented four spaces beyond -the edge of the region where text will be included in the list item. -In the following case that is 6 spaces:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="4020:1-4032:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- foo</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext"> bar</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><ul></span> -<span id="LC6" class="line" lang="plaintext"><li></span> -<span id="LC7" class="line" lang="plaintext"><p>foo</p></span> -<span id="LC8" class="line" lang="plaintext"><pre><code>bar</span> -<span id="LC9" class="line" lang="plaintext"></code></pre></span> -<span id="LC10" class="line" lang="plaintext"></li></span> -<span id="LC11" class="line" lang="plaintext"></ul></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="4035:1-4035:33" dir="auto">And in this case it is 11 spaces:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="4037:1-4049:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> 10. foo</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext"> bar</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><ol start="10"></span> -<span id="LC6" class="line" lang="plaintext"><li></span> -<span id="LC7" class="line" lang="plaintext"><p>foo</p></span> -<span id="LC8" class="line" lang="plaintext"><pre><code>bar</span> -<span id="LC9" class="line" lang="plaintext"></code></pre></span> -<span id="LC10" class="line" lang="plaintext"></li></span> -<span id="LC11" class="line" lang="plaintext"></ol></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="4052:1-4054:12" dir="auto">If the <em>first</em> block in the list item is an indented code block, -then by rule #2, the contents must be indented <em>one</em> space after the -list marker:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="4056:1-4068:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> indented code</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">paragraph</span> -<span id="LC4" class="line" lang="plaintext"></span> -<span id="LC5" class="line" lang="plaintext"> more code</span> -<span id="LC6" class="line" lang="plaintext">.</span> -<span id="LC7" class="line" lang="plaintext"><pre><code>indented code</span> -<span id="LC8" class="line" lang="plaintext"></code></pre></span> -<span id="LC9" class="line" lang="plaintext"><p>paragraph</p></span> -<span id="LC10" class="line" lang="plaintext"><pre><code>more code</span> -<span id="LC11" class="line" lang="plaintext"></code></pre></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="4071:1-4087:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">1. indented code</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext"> paragraph</span> -<span id="LC4" class="line" lang="plaintext"></span> -<span id="LC5" class="line" lang="plaintext"> more code</span> -<span id="LC6" class="line" lang="plaintext">.</span> -<span id="LC7" class="line" lang="plaintext"><ol></span> -<span id="LC8" class="line" lang="plaintext"><li></span> -<span id="LC9" class="line" lang="plaintext"><pre><code>indented code</span> -<span id="LC10" class="line" lang="plaintext"></code></pre></span> -<span id="LC11" class="line" lang="plaintext"><p>paragraph</p></span> -<span id="LC12" class="line" lang="plaintext"><pre><code>more code</span> -<span id="LC13" class="line" lang="plaintext"></code></pre></span> -<span id="LC14" class="line" lang="plaintext"></li></span> -<span id="LC15" class="line" lang="plaintext"></ol></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="4090:1-4091:22" dir="auto">Note that an additional space indent is interpreted as space -inside the code block:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="4093:1-4109:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">1. indented code</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext"> paragraph</span> -<span id="LC4" class="line" lang="plaintext"></span> -<span id="LC5" class="line" lang="plaintext"> more code</span> -<span id="LC6" class="line" lang="plaintext">.</span> -<span id="LC7" class="line" lang="plaintext"><ol></span> -<span id="LC8" class="line" lang="plaintext"><li></span> -<span id="LC9" class="line" lang="plaintext"><pre><code> indented code</span> -<span id="LC10" class="line" lang="plaintext"></code></pre></span> -<span id="LC11" class="line" lang="plaintext"><p>paragraph</p></span> -<span id="LC12" class="line" lang="plaintext"><pre><code>more code</span> -<span id="LC13" class="line" lang="plaintext"></code></pre></span> -<span id="LC14" class="line" lang="plaintext"></li></span> -<span id="LC15" class="line" lang="plaintext"></ol></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="4112:1-4118:55" dir="auto">Note that rules #1 and #2 only apply to two cases: (a) cases -in which the lines to be included in a list item begin with a -[non-whitespace character], and (b) cases in which -they begin with an indented code -block. In a case like the following, where the first block begins with -a three-space indent, the rules do not allow us to form a list item by -indenting the whole thing and prepending a list marker:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="4120:1-4127:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> foo</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">bar</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p>foo</p></span> -<span id="LC6" class="line" lang="plaintext"><p>bar</p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="4130:1-4139:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- foo</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext"> bar</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><ul></span> -<span id="LC6" class="line" lang="plaintext"><li>foo</li></span> -<span id="LC7" class="line" lang="plaintext"></ul></span> -<span id="LC8" class="line" lang="plaintext"><p>bar</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="4142:1-4145:15" dir="auto">This is not a significant restriction, because when a block begins -with 1-3 spaces indent, the indentation can always be removed without -a change in interpretation, allowing rule #1 to be applied. So, in -the above case:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="4147:1-4158:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- foo</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext"> bar</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><ul></span> -<span id="LC6" class="line" lang="plaintext"><li></span> -<span id="LC7" class="line" lang="plaintext"><p>foo</p></span> -<span id="LC8" class="line" lang="plaintext"><p>bar</p></span> -<span id="LC9" class="line" lang="plaintext"></li></span> -<span id="LC10" class="line" lang="plaintext"></ul></span></code></pre> -<copy-code></copy-code> -</div> -<ol start="3" data-sourcepos="4161:1-4172:0" dir="auto"> -<li data-sourcepos="4161:1-4172:0"> -<strong>Item starting with a blank line.</strong> If a sequence of lines <em>Ls</em> -starting with a single [blank line] constitute a (possibly empty) -sequence of blocks <em>Bs</em>, not separated from each other by more than -one blank line, and <em>M</em> is a list marker of width <em>W</em>, -then the result of prepending <em>M</em> to the first line of <em>Ls</em>, and -indenting subsequent lines of <em>Ls</em> by <em>W + 1</em> spaces, is a list -item with <em>Bs</em> as its contents. -If a line is empty, then it need not be indented. The type of the -list item (bullet or ordered) is determined by the type of its list -marker. If the list item is ordered, then it is also assigned a -start number, based on the ordered list marker.</li> -</ol> -<p data-sourcepos="4173:1-4173:72" dir="auto">Here are some list items that start with a blank line but are not empty:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="4175:1-4196:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">-</span> -<span id="LC2" class="line" lang="plaintext"> foo</span> -<span id="LC3" class="line" lang="plaintext">-</span> -<span id="LC4" class="line" lang="plaintext"> ```</span> -<span id="LC5" class="line" lang="plaintext"> bar</span> -<span id="LC6" class="line" lang="plaintext"> ```</span> -<span id="LC7" class="line" lang="plaintext">-</span> -<span id="LC8" class="line" lang="plaintext"> baz</span> -<span id="LC9" class="line" lang="plaintext">.</span> -<span id="LC10" class="line" lang="plaintext"><ul></span> -<span id="LC11" class="line" lang="plaintext"><li>foo</li></span> -<span id="LC12" class="line" lang="plaintext"><li></span> -<span id="LC13" class="line" lang="plaintext"><pre><code>bar</span> -<span id="LC14" class="line" lang="plaintext"></code></pre></span> -<span id="LC15" class="line" lang="plaintext"></li></span> -<span id="LC16" class="line" lang="plaintext"><li></span> -<span id="LC17" class="line" lang="plaintext"><pre><code>baz</span> -<span id="LC18" class="line" lang="plaintext"></code></pre></span> -<span id="LC19" class="line" lang="plaintext"></li></span> -<span id="LC20" class="line" lang="plaintext"></ul></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="4198:1-4199:66" dir="auto">When the list item starts with a blank line, the number of spaces -following the list marker doesn't change the required indentation:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="4201:1-4208:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- </span> -<span id="LC2" class="line" lang="plaintext"> foo</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><ul></span> -<span id="LC5" class="line" lang="plaintext"><li>foo</li></span> -<span id="LC6" class="line" lang="plaintext"></ul></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="4211:1-4213:5" dir="auto">A list item can begin with at most one blank line. -In the following example, <code>foo</code> is not part of the list -item:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="4215:1-4224:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">-</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext"> foo</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><ul></span> -<span id="LC6" class="line" lang="plaintext"><li></li></span> -<span id="LC7" class="line" lang="plaintext"></ul></span> -<span id="LC8" class="line" lang="plaintext"><p>foo</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="4227:1-4227:34" dir="auto">Here is an empty bullet list item:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="4229:1-4239:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- foo</span> -<span id="LC2" class="line" lang="plaintext">-</span> -<span id="LC3" class="line" lang="plaintext">- bar</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><ul></span> -<span id="LC6" class="line" lang="plaintext"><li>foo</li></span> -<span id="LC7" class="line" lang="plaintext"><li></li></span> -<span id="LC8" class="line" lang="plaintext"><li>bar</li></span> -<span id="LC9" class="line" lang="plaintext"></ul></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="4242:1-4242:72" dir="auto">It does not matter whether there are spaces following the [list marker]:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="4244:1-4254:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- foo</span> -<span id="LC2" class="line" lang="plaintext">- </span> -<span id="LC3" class="line" lang="plaintext">- bar</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><ul></span> -<span id="LC6" class="line" lang="plaintext"><li>foo</li></span> -<span id="LC7" class="line" lang="plaintext"><li></li></span> -<span id="LC8" class="line" lang="plaintext"><li>bar</li></span> -<span id="LC9" class="line" lang="plaintext"></ul></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="4257:1-4257:35" dir="auto">Here is an empty ordered list item:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="4259:1-4269:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">1. foo</span> -<span id="LC2" class="line" lang="plaintext">2.</span> -<span id="LC3" class="line" lang="plaintext">3. bar</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><ol></span> -<span id="LC6" class="line" lang="plaintext"><li>foo</li></span> -<span id="LC7" class="line" lang="plaintext"><li></li></span> -<span id="LC8" class="line" lang="plaintext"><li>bar</li></span> -<span id="LC9" class="line" lang="plaintext"></ol></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="4272:1-4272:48" dir="auto">A list may start or end with an empty list item:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="4274:1-4280:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">*</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><ul></span> -<span id="LC4" class="line" lang="plaintext"><li></li></span> -<span id="LC5" class="line" lang="plaintext"></ul></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="4282:1-4282:57" dir="auto">However, an empty list item cannot interrupt a paragraph:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="4284:1-4295:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo</span> -<span id="LC2" class="line" lang="plaintext">*</span> -<span id="LC3" class="line" lang="plaintext"></span> -<span id="LC4" class="line" lang="plaintext">foo</span> -<span id="LC5" class="line" lang="plaintext">1.</span> -<span id="LC6" class="line" lang="plaintext">.</span> -<span id="LC7" class="line" lang="plaintext"><p>foo</span> -<span id="LC8" class="line" lang="plaintext">*</p></span> -<span id="LC9" class="line" lang="plaintext"><p>foo</span> -<span id="LC10" class="line" lang="plaintext">1.</p></span></code></pre> -<copy-code></copy-code> -</div> -<ol start="4" data-sourcepos="4298:1-4303:0" dir="auto"> -<li data-sourcepos="4298:1-4303:0"> -<strong>Indentation.</strong> If a sequence of lines <em>Ls</em> constitutes a list item -according to rule #1, #2, or #3, then the result of indenting each line -of <em>Ls</em> by 1-3 spaces (the same for each line) also constitutes a -list item with the same contents and attributes. If a line is -empty, then it need not be indented.</li> -</ol> -<p data-sourcepos="4304:1-4304:19" dir="auto">Indented one space:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="4306:1-4325:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> 1. A paragraph</span> -<span id="LC2" class="line" lang="plaintext"> with two lines.</span> -<span id="LC3" class="line" lang="plaintext"></span> -<span id="LC4" class="line" lang="plaintext"> indented code</span> -<span id="LC5" class="line" lang="plaintext"></span> -<span id="LC6" class="line" lang="plaintext"> > A block quote.</span> -<span id="LC7" class="line" lang="plaintext">.</span> -<span id="LC8" class="line" lang="plaintext"><ol></span> -<span id="LC9" class="line" lang="plaintext"><li></span> -<span id="LC10" class="line" lang="plaintext"><p>A paragraph</span> -<span id="LC11" class="line" lang="plaintext">with two lines.</p></span> -<span id="LC12" class="line" lang="plaintext"><pre><code>indented code</span> -<span id="LC13" class="line" lang="plaintext"></code></pre></span> -<span id="LC14" class="line" lang="plaintext"><blockquote></span> -<span id="LC15" class="line" lang="plaintext"><p>A block quote.</p></span> -<span id="LC16" class="line" lang="plaintext"></blockquote></span> -<span id="LC17" class="line" lang="plaintext"></li></span> -<span id="LC18" class="line" lang="plaintext"></ol></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="4328:1-4328:20" dir="auto">Indented two spaces:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="4330:1-4349:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> 1. A paragraph</span> -<span id="LC2" class="line" lang="plaintext"> with two lines.</span> -<span id="LC3" class="line" lang="plaintext"></span> -<span id="LC4" class="line" lang="plaintext"> indented code</span> -<span id="LC5" class="line" lang="plaintext"></span> -<span id="LC6" class="line" lang="plaintext"> > A block quote.</span> -<span id="LC7" class="line" lang="plaintext">.</span> -<span id="LC8" class="line" lang="plaintext"><ol></span> -<span id="LC9" class="line" lang="plaintext"><li></span> -<span id="LC10" class="line" lang="plaintext"><p>A paragraph</span> -<span id="LC11" class="line" lang="plaintext">with two lines.</p></span> -<span id="LC12" class="line" lang="plaintext"><pre><code>indented code</span> -<span id="LC13" class="line" lang="plaintext"></code></pre></span> -<span id="LC14" class="line" lang="plaintext"><blockquote></span> -<span id="LC15" class="line" lang="plaintext"><p>A block quote.</p></span> -<span id="LC16" class="line" lang="plaintext"></blockquote></span> -<span id="LC17" class="line" lang="plaintext"></li></span> -<span id="LC18" class="line" lang="plaintext"></ol></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="4352:1-4352:22" dir="auto">Indented three spaces:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="4354:1-4373:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> 1. A paragraph</span> -<span id="LC2" class="line" lang="plaintext"> with two lines.</span> -<span id="LC3" class="line" lang="plaintext"></span> -<span id="LC4" class="line" lang="plaintext"> indented code</span> -<span id="LC5" class="line" lang="plaintext"></span> -<span id="LC6" class="line" lang="plaintext"> > A block quote.</span> -<span id="LC7" class="line" lang="plaintext">.</span> -<span id="LC8" class="line" lang="plaintext"><ol></span> -<span id="LC9" class="line" lang="plaintext"><li></span> -<span id="LC10" class="line" lang="plaintext"><p>A paragraph</span> -<span id="LC11" class="line" lang="plaintext">with two lines.</p></span> -<span id="LC12" class="line" lang="plaintext"><pre><code>indented code</span> -<span id="LC13" class="line" lang="plaintext"></code></pre></span> -<span id="LC14" class="line" lang="plaintext"><blockquote></span> -<span id="LC15" class="line" lang="plaintext"><p>A block quote.</p></span> -<span id="LC16" class="line" lang="plaintext"></blockquote></span> -<span id="LC17" class="line" lang="plaintext"></li></span> -<span id="LC18" class="line" lang="plaintext"></ol></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="4376:1-4376:38" dir="auto">Four spaces indent gives a code block:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="4378:1-4393:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> 1. A paragraph</span> -<span id="LC2" class="line" lang="plaintext"> with two lines.</span> -<span id="LC3" class="line" lang="plaintext"></span> -<span id="LC4" class="line" lang="plaintext"> indented code</span> -<span id="LC5" class="line" lang="plaintext"></span> -<span id="LC6" class="line" lang="plaintext"> > A block quote.</span> -<span id="LC7" class="line" lang="plaintext">.</span> -<span id="LC8" class="line" lang="plaintext"><pre><code>1. A paragraph</span> -<span id="LC9" class="line" lang="plaintext"> with two lines.</span> -<span id="LC10" class="line" lang="plaintext"></span> -<span id="LC11" class="line" lang="plaintext"> indented code</span> -<span id="LC12" class="line" lang="plaintext"></span> -<span id="LC13" class="line" lang="plaintext"> &gt; A block quote.</span> -<span id="LC14" class="line" lang="plaintext"></code></pre></span></code></pre> -<copy-code></copy-code> -</div> -<ol start="5" data-sourcepos="4397:1-4405:0" dir="auto"> -<li data-sourcepos="4397:1-4405:0"> -<strong>Laziness.</strong> If a string of lines <em>Ls</em> constitute a <a href="#list-items">list -item</a> with contents <em>Bs</em>, then the result of deleting -some or all of the indentation from one or more lines in which the -next [non-whitespace character] after the indentation is -[paragraph continuation text] is a -list item with the same contents and attributes. The unindented -lines are called -<a href="@">lazy continuation line</a>s.</li> -</ol> -<p data-sourcepos="4406:1-4406:50" dir="auto">Here is an example with [lazy continuation lines]:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="4408:1-4427:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> 1. A paragraph</span> -<span id="LC2" class="line" lang="plaintext">with two lines.</span> -<span id="LC3" class="line" lang="plaintext"></span> -<span id="LC4" class="line" lang="plaintext"> indented code</span> -<span id="LC5" class="line" lang="plaintext"></span> -<span id="LC6" class="line" lang="plaintext"> > A block quote.</span> -<span id="LC7" class="line" lang="plaintext">.</span> -<span id="LC8" class="line" lang="plaintext"><ol></span> -<span id="LC9" class="line" lang="plaintext"><li></span> -<span id="LC10" class="line" lang="plaintext"><p>A paragraph</span> -<span id="LC11" class="line" lang="plaintext">with two lines.</p></span> -<span id="LC12" class="line" lang="plaintext"><pre><code>indented code</span> -<span id="LC13" class="line" lang="plaintext"></code></pre></span> -<span id="LC14" class="line" lang="plaintext"><blockquote></span> -<span id="LC15" class="line" lang="plaintext"><p>A block quote.</p></span> -<span id="LC16" class="line" lang="plaintext"></blockquote></span> -<span id="LC17" class="line" lang="plaintext"></li></span> -<span id="LC18" class="line" lang="plaintext"></ol></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="4430:1-4430:37" dir="auto">Indentation can be partially deleted:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="4432:1-4440:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> 1. A paragraph</span> -<span id="LC2" class="line" lang="plaintext"> with two lines.</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><ol></span> -<span id="LC5" class="line" lang="plaintext"><li>A paragraph</span> -<span id="LC6" class="line" lang="plaintext">with two lines.</li></span> -<span id="LC7" class="line" lang="plaintext"></ol></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="4443:1-4443:63" dir="auto">These examples show how laziness can work in nested structures:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="4445:1-4459:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">> 1. > Blockquote</span> -<span id="LC2" class="line" lang="plaintext">continued here.</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><blockquote></span> -<span id="LC5" class="line" lang="plaintext"><ol></span> -<span id="LC6" class="line" lang="plaintext"><li></span> -<span id="LC7" class="line" lang="plaintext"><blockquote></span> -<span id="LC8" class="line" lang="plaintext"><p>Blockquote</span> -<span id="LC9" class="line" lang="plaintext">continued here.</p></span> -<span id="LC10" class="line" lang="plaintext"></blockquote></span> -<span id="LC11" class="line" lang="plaintext"></li></span> -<span id="LC12" class="line" lang="plaintext"></ol></span> -<span id="LC13" class="line" lang="plaintext"></blockquote></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="4462:1-4476:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">> 1. > Blockquote</span> -<span id="LC2" class="line" lang="plaintext">> continued here.</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><blockquote></span> -<span id="LC5" class="line" lang="plaintext"><ol></span> -<span id="LC6" class="line" lang="plaintext"><li></span> -<span id="LC7" class="line" lang="plaintext"><blockquote></span> -<span id="LC8" class="line" lang="plaintext"><p>Blockquote</span> -<span id="LC9" class="line" lang="plaintext">continued here.</p></span> -<span id="LC10" class="line" lang="plaintext"></blockquote></span> -<span id="LC11" class="line" lang="plaintext"></li></span> -<span id="LC12" class="line" lang="plaintext"></ol></span> -<span id="LC13" class="line" lang="plaintext"></blockquote></span></code></pre> -<copy-code></copy-code> -</div> -<ol start="6" data-sourcepos="4480:1-4482:0" dir="auto"> -<li data-sourcepos="4480:1-4482:0"> -<strong>That's all.</strong> Nothing that is not counted as a list item by rules -#1--5 counts as a <a href="#list-items">list item</a>.</li> -</ol> -<p data-sourcepos="4483:1-4486:17" dir="auto">The rules for sublists follow from the general rules -[above][List items]. A sublist must be indented the same number -of spaces a paragraph would need to be in order to be included -in the list item.</p> -<p data-sourcepos="4488:1-4488:43" dir="auto">So, in this case we need two spaces indent:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="4490:1-4511:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- foo</span> -<span id="LC2" class="line" lang="plaintext"> - bar</span> -<span id="LC3" class="line" lang="plaintext"> - baz</span> -<span id="LC4" class="line" lang="plaintext"> - boo</span> -<span id="LC5" class="line" lang="plaintext">.</span> -<span id="LC6" class="line" lang="plaintext"><ul></span> -<span id="LC7" class="line" lang="plaintext"><li>foo</span> -<span id="LC8" class="line" lang="plaintext"><ul></span> -<span id="LC9" class="line" lang="plaintext"><li>bar</span> -<span id="LC10" class="line" lang="plaintext"><ul></span> -<span id="LC11" class="line" lang="plaintext"><li>baz</span> -<span id="LC12" class="line" lang="plaintext"><ul></span> -<span id="LC13" class="line" lang="plaintext"><li>boo</li></span> -<span id="LC14" class="line" lang="plaintext"></ul></span> -<span id="LC15" class="line" lang="plaintext"></li></span> -<span id="LC16" class="line" lang="plaintext"></ul></span> -<span id="LC17" class="line" lang="plaintext"></li></span> -<span id="LC18" class="line" lang="plaintext"></ul></span> -<span id="LC19" class="line" lang="plaintext"></li></span> -<span id="LC20" class="line" lang="plaintext"></ul></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="4514:1-4514:18" dir="auto">One is not enough:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="4516:1-4528:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- foo</span> -<span id="LC2" class="line" lang="plaintext"> - bar</span> -<span id="LC3" class="line" lang="plaintext"> - baz</span> -<span id="LC4" class="line" lang="plaintext"> - boo</span> -<span id="LC5" class="line" lang="plaintext">.</span> -<span id="LC6" class="line" lang="plaintext"><ul></span> -<span id="LC7" class="line" lang="plaintext"><li>foo</li></span> -<span id="LC8" class="line" lang="plaintext"><li>bar</li></span> -<span id="LC9" class="line" lang="plaintext"><li>baz</li></span> -<span id="LC10" class="line" lang="plaintext"><li>boo</li></span> -<span id="LC11" class="line" lang="plaintext"></ul></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="4531:1-4531:52" dir="auto">Here we need four, because the list marker is wider:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="4533:1-4544:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">10) foo</span> -<span id="LC2" class="line" lang="plaintext"> - bar</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><ol start="10"></span> -<span id="LC5" class="line" lang="plaintext"><li>foo</span> -<span id="LC6" class="line" lang="plaintext"><ul></span> -<span id="LC7" class="line" lang="plaintext"><li>bar</li></span> -<span id="LC8" class="line" lang="plaintext"></ul></span> -<span id="LC9" class="line" lang="plaintext"></li></span> -<span id="LC10" class="line" lang="plaintext"></ol></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="4547:1-4547:20" dir="auto">Three is not enough:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="4549:1-4559:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">10) foo</span> -<span id="LC2" class="line" lang="plaintext"> - bar</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><ol start="10"></span> -<span id="LC5" class="line" lang="plaintext"><li>foo</li></span> -<span id="LC6" class="line" lang="plaintext"></ol></span> -<span id="LC7" class="line" lang="plaintext"><ul></span> -<span id="LC8" class="line" lang="plaintext"><li>bar</li></span> -<span id="LC9" class="line" lang="plaintext"></ul></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="4562:1-4562:45" dir="auto">A list may be the first block in a list item:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="4564:1-4574:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- - foo</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><ul></span> -<span id="LC4" class="line" lang="plaintext"><li></span> -<span id="LC5" class="line" lang="plaintext"><ul></span> -<span id="LC6" class="line" lang="plaintext"><li>foo</li></span> -<span id="LC7" class="line" lang="plaintext"></ul></span> -<span id="LC8" class="line" lang="plaintext"></li></span> -<span id="LC9" class="line" lang="plaintext"></ul></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="4577:1-4591:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">1. - 2. foo</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><ol></span> -<span id="LC4" class="line" lang="plaintext"><li></span> -<span id="LC5" class="line" lang="plaintext"><ul></span> -<span id="LC6" class="line" lang="plaintext"><li></span> -<span id="LC7" class="line" lang="plaintext"><ol start="2"></span> -<span id="LC8" class="line" lang="plaintext"><li>foo</li></span> -<span id="LC9" class="line" lang="plaintext"></ol></span> -<span id="LC10" class="line" lang="plaintext"></li></span> -<span id="LC11" class="line" lang="plaintext"></ul></span> -<span id="LC12" class="line" lang="plaintext"></li></span> -<span id="LC13" class="line" lang="plaintext"></ol></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="4594:1-4594:34" dir="auto">A list item can contain a heading:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="4596:1-4610:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- # Foo</span> -<span id="LC2" class="line" lang="plaintext">- Bar</span> -<span id="LC3" class="line" lang="plaintext"> ---</span> -<span id="LC4" class="line" lang="plaintext"> baz</span> -<span id="LC5" class="line" lang="plaintext">.</span> -<span id="LC6" class="line" lang="plaintext"><ul></span> -<span id="LC7" class="line" lang="plaintext"><li></span> -<span id="LC8" class="line" lang="plaintext"><h1>Foo</h1></span> -<span id="LC9" class="line" lang="plaintext"></li></span> -<span id="LC10" class="line" lang="plaintext"><li></span> -<span id="LC11" class="line" lang="plaintext"><h2>Bar</h2></span> -<span id="LC12" class="line" lang="plaintext">baz</li></span> -<span id="LC13" class="line" lang="plaintext"></ul></span></code></pre> -<copy-code></copy-code> -</div> -<h3 data-sourcepos="4613:1-4613:14" dir="auto"> -<a id="user-content-motivation" class="anchor" href="#motivation" aria-hidden="true"></a>Motivation</h3> -<p data-sourcepos="4615:1-4615:64" dir="auto">John Gruber's Markdown spec says the following about list items:</p> -<ol data-sourcepos="4617:1-4636:0" dir="auto"> -<li data-sourcepos="4617:1-4620:0"> -<p data-sourcepos="4617:4-4619:20">"List markers typically start at the left margin, but may be indented -by up to three spaces. List markers must be followed by one or more -spaces or a tab."</p> -</li> -<li data-sourcepos="4621:1-4623:0"> -<p data-sourcepos="4621:4-4622:48">"To make lists look nice, you can wrap items with hanging indents.... -But if you don't want to, you don't have to."</p> -</li> -<li data-sourcepos="4624:1-4627:0"> -<p data-sourcepos="4624:4-4626:8">"List items may consist of multiple paragraphs. Each subsequent -paragraph in a list item must be indented by either 4 spaces or one -tab."</p> -</li> -<li data-sourcepos="4628:1-4630:0"> -<p data-sourcepos="4628:4-4629:55">"It looks nice if you indent every line of the subsequent paragraphs, -but here again, Markdown will allow you to be lazy."</p> -</li> -<li data-sourcepos="4631:1-4633:0"> -<p data-sourcepos="4631:4-4632:35">"To put a blockquote within a list item, the blockquote's <code>></code> -delimiters need to be indented."</p> -</li> -<li data-sourcepos="4634:1-4636:0"> -<p data-sourcepos="4634:4-4635:44">"To put a code block within a list item, the code block needs to be -indented twice — 8 spaces or two tabs."</p> -</li> -</ol> -<p data-sourcepos="4637:1-4646:18" dir="auto">These rules specify that a paragraph under a list item must be indented -four spaces (presumably, from the left margin, rather than the start of -the list marker, but this is not said), and that code under a list item -must be indented eight spaces instead of the usual four. They also say -that a block quote must be indented, but not by how much; however, the -example given has four spaces indentation. Although nothing is said -about other kinds of block-level content, it is certainly reasonable to -infer that <em>all</em> block elements under a list item, including other -lists, must be indented four spaces. This principle has been called the -<em>four-space rule</em>.</p> -<p data-sourcepos="4648:1-4659:48" dir="auto">The four-space rule is clear and principled, and if the reference -implementation <code>Markdown.pl</code> had followed it, it probably would have -become the standard. However, <code>Markdown.pl</code> allowed paragraphs and -sublists to start with only two spaces indentation, at least on the -outer level. Worse, its behavior was inconsistent: a sublist of an -outer-level list needed two spaces indentation, but a sublist of this -sublist needed three spaces. It is not surprising, then, that different -implementations of Markdown have developed very different rules for -determining what comes under a list item. (Pandoc and python-Markdown, -for example, stuck with Gruber's syntax description and the four-space -rule, while discount, redcarpet, marked, PHP Markdown, and others -followed <code>Markdown.pl</code>'s behavior more closely.)</p> -<p data-sourcepos="4661:1-4666:45" dir="auto">Unfortunately, given the divergences between implementations, there -is no way to give a spec for list items that will be guaranteed not -to break any existing documents. However, the spec given here should -correctly handle lists formatted with either the four-space rule or -the more forgiving <code>Markdown.pl</code> behavior, provided they are laid out -in a way that is natural for a human to read.</p> -<p data-sourcepos="4668:1-4674:22" dir="auto">The strategy here is to let the width and indentation of the list marker -determine the indentation necessary for blocks to fall under the list -item, rather than having a fixed and arbitrary number. The writer can -think of the body of the list item as a unit which gets indented to the -right enough to fit the list marker (and any indentation on the list -marker). (The laziness rule, #5, then allows continuation lines to be -unindented if needed.)</p> -<p data-sourcepos="4676:1-4678:39" dir="auto">This rule is superior, we claim, to any rule requiring a fixed level of -indentation from the margin. The four-space rule is clear but -unnatural. It is quite unintuitive that</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="4680:1-4686:3" class="code highlight js-syntax-highlight language-markdown" lang="markdown" v-pre="true"><code><span id="LC1" class="line" lang="markdown"><span class="p">-</span> foo</span> -<span id="LC2" class="line" lang="markdown"></span> -<span id="LC3" class="line" lang="markdown"> bar</span> -<span id="LC4" class="line" lang="markdown"></span> -<span id="LC5" class="line" lang="markdown"><span class="p"> -</span> baz</span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="4688:1-4688:60" dir="auto">should be parsed as two lists with an intervening paragraph,</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="4690:1-4698:3" class="code highlight js-syntax-highlight language-html" lang="html" v-pre="true"><code><span id="LC1" class="line" lang="html"><span class="nt"><ul></span></span> -<span id="LC2" class="line" lang="html"><span class="nt"><li></span>foo<span class="nt"></li></span></span> -<span id="LC3" class="line" lang="html"><span class="nt"></ul></span></span> -<span id="LC4" class="line" lang="html"><span class="nt"><p></span>bar<span class="nt"></p></span></span> -<span id="LC5" class="line" lang="html"><span class="nt"><ul></span></span> -<span id="LC6" class="line" lang="html"><span class="nt"><li></span>baz<span class="nt"></li></span></span> -<span id="LC7" class="line" lang="html"><span class="nt"></ul></span></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="4700:1-4700:58" dir="auto">as the four-space rule demands, rather than a single list,</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="4702:1-4712:3" class="code highlight js-syntax-highlight language-html" lang="html" v-pre="true"><code><span id="LC1" class="line" lang="html"><span class="nt"><ul></span></span> -<span id="LC2" class="line" lang="html"><span class="nt"><li></span></span> -<span id="LC3" class="line" lang="html"><span class="nt"><p></span>foo<span class="nt"></p></span></span> -<span id="LC4" class="line" lang="html"><span class="nt"><p></span>bar<span class="nt"></p></span></span> -<span id="LC5" class="line" lang="html"><span class="nt"><ul></span></span> -<span id="LC6" class="line" lang="html"><span class="nt"><li></span>baz<span class="nt"></li></span></span> -<span id="LC7" class="line" lang="html"><span class="nt"></ul></span></span> -<span id="LC8" class="line" lang="html"><span class="nt"></li></span></span> -<span id="LC9" class="line" lang="html"><span class="nt"></ul></span></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="4714:1-4715:62" dir="auto">The choice of four spaces is arbitrary. It can be learned, but it is -not likely to be guessed, and it trips up beginners regularly.</p> -<p data-sourcepos="4717:1-4721:20" dir="auto">Would it help to adopt a two-space rule? The problem is that such -a rule, together with the rule allowing 1--3 spaces indentation of the -initial list marker, allows text that is indented <em>less than</em> the -original list marker to be included in the list item. For example, -<code>Markdown.pl</code> parses</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="4723:1-4727:3" class="code highlight js-syntax-highlight language-markdown" lang="markdown" v-pre="true"><code><span id="LC1" class="line" lang="markdown"><span class="p"> -</span> one</span> -<span id="LC2" class="line" lang="markdown"></span> -<span id="LC3" class="line" lang="markdown"> two</span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="4729:1-4729:59" dir="auto">as a single list item, with <code>two</code> a continuation paragraph:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="4731:1-4738:3" class="code highlight js-syntax-highlight language-html" lang="html" v-pre="true"><code><span id="LC1" class="line" lang="html"><span class="nt"><ul></span></span> -<span id="LC2" class="line" lang="html"><span class="nt"><li></span></span> -<span id="LC3" class="line" lang="html"><span class="nt"><p></span>one<span class="nt"></p></span></span> -<span id="LC4" class="line" lang="html"><span class="nt"><p></span>two<span class="nt"></p></span></span> -<span id="LC5" class="line" lang="html"><span class="nt"></li></span></span> -<span id="LC6" class="line" lang="html"><span class="nt"></ul></span></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="4740:1-4740:13" dir="auto">and similarly</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="4742:1-4746:3" class="code highlight js-syntax-highlight language-markdown" lang="markdown" v-pre="true"><code><span id="LC1" class="line" lang="markdown"><span class="gt">> - one</span></span> -<span id="LC2" class="line" lang="markdown"><span class="gt">></span></span> -<span id="LC3" class="line" lang="markdown"><span class="gt">> two</span></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="4748:1-4748:2" dir="auto">as</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="4750:1-4759:3" class="code highlight js-syntax-highlight language-html" lang="html" v-pre="true"><code><span id="LC1" class="line" lang="html"><span class="nt"><blockquote></span></span> -<span id="LC2" class="line" lang="html"><span class="nt"><ul></span></span> -<span id="LC3" class="line" lang="html"><span class="nt"><li></span></span> -<span id="LC4" class="line" lang="html"><span class="nt"><p></span>one<span class="nt"></p></span></span> -<span id="LC5" class="line" lang="html"><span class="nt"><p></span>two<span class="nt"></p></span></span> -<span id="LC6" class="line" lang="html"><span class="nt"></li></span></span> -<span id="LC7" class="line" lang="html"><span class="nt"></ul></span></span> -<span id="LC8" class="line" lang="html"><span class="nt"></blockquote></span></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="4761:1-4761:30" dir="auto">This is extremely unintuitive.</p> -<p data-sourcepos="4763:1-4768:52" dir="auto">Rather than requiring a fixed indent from the margin, we could require -a fixed indent (say, two spaces, or even one space) from the list marker (which -may itself be indented). This proposal would remove the last anomaly -discussed. Unlike the spec presented above, it would count the following -as a list item with a subparagraph, even though the paragraph <code>bar</code> -is not indented as far as the first paragraph <code>foo</code>:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="4770:1-4774:3" class="code highlight js-syntax-highlight language-markdown" lang="markdown" v-pre="true"><code><span id="LC1" class="line" lang="markdown"><span class="p"> 10.</span> foo</span> -<span id="LC2" class="line" lang="markdown"></span> -<span id="LC3" class="line" lang="markdown"> bar </span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="4776:1-4779:62" dir="auto">Arguably this text does read like a list item with <code>bar</code> as a subparagraph, -which may count in favor of the proposal. However, on this proposal indented -code would have to be indented six spaces after the list marker. And this -would break a lot of existing Markdown, which has the pattern:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="4781:1-4785:3" class="code highlight js-syntax-highlight language-markdown" lang="markdown" v-pre="true"><code><span id="LC1" class="line" lang="markdown"><span class="p">1.</span> foo</span> -<span id="LC2" class="line" lang="markdown"></span> -<span id="LC3" class="line" lang="markdown"><span class="sb"> indented code</span></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="4787:1-4789:28" dir="auto">where the code is indented eight spaces. The spec above, by contrast, will -parse this text as expected, since the code block's indentation is measured -from the beginning of <code>foo</code>.</p> -<p data-sourcepos="4791:1-4797:62" dir="auto">The one case that needs special treatment is a list item that <em>starts</em> -with indented code. How much indentation is required in that case, since -we don't have a "first paragraph" to measure from? Rule #2 simply stipulates -that in such cases, we require one space indentation from the list marker -(and then the normal four spaces for the indented code). This will match the -four-space rule in cases where the list marker plus its initial indentation -takes four spaces (a common case), but diverge in other cases.</p> -<div> -<h2 data-sourcepos="4801:1-4801:30"> -<a id="user-content-task-list-items-extension" class="anchor" href="#task-list-items-extension" aria-hidden="true"></a>Task list items (extension)</h2> -<p data-sourcepos="4803:1-4804:26">GFM enables the <code>tasklist</code> extension, where an additional processing step is -performed on [list items].</p> -<p data-sourcepos="4806:1-4808:46">A <a href="@">task list item</a> is a [list item][list items] where the first block in it -is a paragraph which begins with a [task list item marker] and at least one -whitespace character before any other content.</p> -<p data-sourcepos="4810:1-4812:55">A <a href="@">task list item marker</a> consists of an optional number of spaces, a left -bracket (<code>[</code>), either a whitespace character or the letter <code>x</code> in either -lowercase or uppercase, and then a right bracket (<code>]</code>).</p> -<p data-sourcepos="4814:1-4815:70">When rendered, the [task list item marker] is replaced with a semantic checkbox element; -in an HTML output, this would be an <code><input type="checkbox"></code> element.</p> -<p data-sourcepos="4817:1-4818:50">If the character between the brackets is a whitespace character, the checkbox -is unchecked. Otherwise, the checkbox is checked.</p> -<p data-sourcepos="4820:1-4823:28">This spec does not define how the checkbox elements are interacted with: in practice, -implementors are free to render the checkboxes as disabled or inmutable elements, -or they may dynamically handle dynamic interactions (i.e. checking, unchecking) in -the final rendered document.</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="4825:1-4833:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- [ ] foo</span> -<span id="LC2" class="line" lang="plaintext">- [x] bar</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><ul></span> -<span id="LC5" class="line" lang="plaintext"><li><input disabled="" type="checkbox"> foo</li></span> -<span id="LC6" class="line" lang="plaintext"><li><input checked="" disabled="" type="checkbox"> bar</li></span> -<span id="LC7" class="line" lang="plaintext"></ul></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="4835:1-4835:37">Task lists can be arbitrarily nested:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="4837:1-4852:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- [x] foo</span> -<span id="LC2" class="line" lang="plaintext"> - [ ] bar</span> -<span id="LC3" class="line" lang="plaintext"> - [x] baz</span> -<span id="LC4" class="line" lang="plaintext">- [ ] bim</span> -<span id="LC5" class="line" lang="plaintext">.</span> -<span id="LC6" class="line" lang="plaintext"><ul></span> -<span id="LC7" class="line" lang="plaintext"><li><input checked="" disabled="" type="checkbox"> foo</span> -<span id="LC8" class="line" lang="plaintext"><ul></span> -<span id="LC9" class="line" lang="plaintext"><li><input disabled="" type="checkbox"> bar</li></span> -<span id="LC10" class="line" lang="plaintext"><li><input checked="" disabled="" type="checkbox"> baz</li></span> -<span id="LC11" class="line" lang="plaintext"></ul></span> -<span id="LC12" class="line" lang="plaintext"></li></span> -<span id="LC13" class="line" lang="plaintext"><li><input disabled="" type="checkbox"> bim</li></span> -<span id="LC14" class="line" lang="plaintext"></ul></span></code></pre> -<copy-code></copy-code> -</div> -</div> -<h2 data-sourcepos="4856:1-4856:8" dir="auto"> -<a id="user-content-lists" class="anchor" href="#lists" aria-hidden="true"></a>Lists</h2> -<p data-sourcepos="4858:1-4860:46" dir="auto">A <a href="@">list</a> is a sequence of one or more -list items [of the same type]. The list items -may be separated by any number of blank lines.</p> -<p data-sourcepos="4862:1-4867:30" dir="auto">Two list items are <a href="@">of the same type</a> -if they begin with a [list marker] of the same type. -Two list markers are of the -same type if (a) they are bullet list markers using the same character -(<code>-</code>, <code>+</code>, or <code>*</code>) or (b) they are ordered list numbers with the same -delimiter (either <code>.</code> or <code>)</code>).</p> -<p data-sourcepos="4869:1-4873:39" dir="auto">A list is an <a href="@">ordered list</a> -if its constituent list items begin with -[ordered list markers], and a -<a href="@">bullet list</a> if its constituent list -items begin with [bullet list markers].</p> -<p data-sourcepos="4875:1-4878:12" dir="auto">The <a href="@">start number</a> -of an [ordered list] is determined by the list number of -its initial list item. The numbers of subsequent list items are -disregarded.</p> -<p data-sourcepos="4880:1-4885:65" dir="auto">A list is <a href="@">loose</a> if any of its constituent -list items are separated by blank lines, or if any of its constituent -list items directly contain two block-level elements with a blank line -between them. Otherwise a list is <a href="@">tight</a>. -(The difference in HTML output is that paragraphs in a loose list are -wrapped in <code><p></code> tags, while paragraphs in a tight list are not.)</p> -<p data-sourcepos="4887:1-4887:64" dir="auto">Changing the bullet or ordered list delimiter starts a new list:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="4889:1-4901:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- foo</span> -<span id="LC2" class="line" lang="plaintext">- bar</span> -<span id="LC3" class="line" lang="plaintext">+ baz</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><ul></span> -<span id="LC6" class="line" lang="plaintext"><li>foo</li></span> -<span id="LC7" class="line" lang="plaintext"><li>bar</li></span> -<span id="LC8" class="line" lang="plaintext"></ul></span> -<span id="LC9" class="line" lang="plaintext"><ul></span> -<span id="LC10" class="line" lang="plaintext"><li>baz</li></span> -<span id="LC11" class="line" lang="plaintext"></ul></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="4904:1-4916:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">1. foo</span> -<span id="LC2" class="line" lang="plaintext">2. bar</span> -<span id="LC3" class="line" lang="plaintext">3) baz</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><ol></span> -<span id="LC6" class="line" lang="plaintext"><li>foo</li></span> -<span id="LC7" class="line" lang="plaintext"><li>bar</li></span> -<span id="LC8" class="line" lang="plaintext"></ol></span> -<span id="LC9" class="line" lang="plaintext"><ol start="3"></span> -<span id="LC10" class="line" lang="plaintext"><li>baz</li></span> -<span id="LC11" class="line" lang="plaintext"></ol></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="4919:1-4921:5" dir="auto">In CommonMark, a list can interrupt a paragraph. That is, -no blank line is needed to separate a paragraph from a following -list:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="4923:1-4933:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">Foo</span> -<span id="LC2" class="line" lang="plaintext">- bar</span> -<span id="LC3" class="line" lang="plaintext">- baz</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p>Foo</p></span> -<span id="LC6" class="line" lang="plaintext"><ul></span> -<span id="LC7" class="line" lang="plaintext"><li>bar</li></span> -<span id="LC8" class="line" lang="plaintext"><li>baz</li></span> -<span id="LC9" class="line" lang="plaintext"></ul></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="4935:1-4936:37" dir="auto"><code>Markdown.pl</code> does not allow this, through fear of triggering a list -via a numeral in a hard-wrapped line:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="4938:1-4941:3" class="code highlight js-syntax-highlight language-markdown" lang="markdown" v-pre="true"><code><span id="LC1" class="line" lang="markdown">The number of windows in my house is</span> -<span id="LC2" class="line" lang="markdown"><span class="p">14.</span> The number of doors is 6.</span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="4943:1-4945:6" dir="auto">Oddly, though, <code>Markdown.pl</code> <em>does</em> allow a blockquote to -interrupt a paragraph, even though the same considerations might -apply.</p> -<p data-sourcepos="4947:1-4949:35" dir="auto">In CommonMark, we do allow lists to interrupt paragraphs, for -two reasons. First, it is natural and not uncommon for people -to start lists without blank lines:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="4951:1-4956:3" class="code highlight js-syntax-highlight language-markdown" lang="markdown" v-pre="true"><code><span id="LC1" class="line" lang="markdown">I need to buy</span> -<span id="LC2" class="line" lang="markdown"><span class="p">-</span> new shoes</span> -<span id="LC3" class="line" lang="markdown"><span class="p">-</span> a coat</span> -<span id="LC4" class="line" lang="markdown"><span class="p">-</span> a plane ticket</span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="4958:1-4958:29" dir="auto">Second, we are attracted to a</p> -<blockquote data-sourcepos="4960:1-4963:54" dir="auto"> -<p data-sourcepos="4960:3-4963:54"><a href="@">principle of uniformity</a>: -if a chunk of text has a certain -meaning, it will continue to have the same meaning when put into a -container block (such as a list item or blockquote).</p> -</blockquote> -<p data-sourcepos="4965:1-4966:47" dir="auto">(Indeed, the spec for [list items] and [block quotes] presupposes -this principle.) This principle implies that if</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="4968:1-4973:3" class="code highlight js-syntax-highlight language-markdown" lang="markdown" v-pre="true"><code><span id="LC1" class="line" lang="markdown"><span class="p"> *</span> I need to buy</span> -<span id="LC2" class="line" lang="markdown"><span class="p"> -</span> new shoes</span> -<span id="LC3" class="line" lang="markdown"><span class="p"> -</span> a coat</span> -<span id="LC4" class="line" lang="markdown"><span class="p"> -</span> a plane ticket</span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="4975:1-4978:4" dir="auto">is a list item containing a paragraph followed by a nested sublist, -as all Markdown implementations agree it is (though the paragraph -may be rendered without <code><p></code> tags, since the list is "tight"), -then</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="4980:1-4985:3" class="code highlight js-syntax-highlight language-markdown" lang="markdown" v-pre="true"><code><span id="LC1" class="line" lang="markdown">I need to buy</span> -<span id="LC2" class="line" lang="markdown"><span class="p">-</span> new shoes</span> -<span id="LC3" class="line" lang="markdown"><span class="p">-</span> a coat</span> -<span id="LC4" class="line" lang="markdown"><span class="p">-</span> a plane ticket</span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="4987:1-4987:61" dir="auto">by itself should be a paragraph followed by a nested sublist.</p> -<p data-sourcepos="4989:1-4994:30" dir="auto">Since it is well established Markdown practice to allow lists to -interrupt paragraphs inside list items, the [principle of -uniformity] requires us to allow this outside list items as -well. (<a href="http://docutils.sourceforge.net/rst.html" rel="nofollow noreferrer noopener" target="_blank">reStructuredText</a> -takes a different approach, requiring blank lines before lists -even inside other list items.)</p> -<p data-sourcepos="4996:1-4998:28" dir="auto">In order to solve of unwanted lists in paragraphs with -hard-wrapped numerals, we allow only lists starting with <code>1</code> to -interrupt paragraphs. Thus,</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="5000:1-5006:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">The number of windows in my house is</span> -<span id="LC2" class="line" lang="plaintext">14. The number of doors is 6.</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><p>The number of windows in my house is</span> -<span id="LC5" class="line" lang="plaintext">14. The number of doors is 6.</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="5008:1-5008:51" dir="auto">We may still get an unintended result in cases like</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="5010:1-5018:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">The number of windows in my house is</span> -<span id="LC2" class="line" lang="plaintext">1. The number of doors is 6.</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><p>The number of windows in my house is</p></span> -<span id="LC5" class="line" lang="plaintext"><ol></span> -<span id="LC6" class="line" lang="plaintext"><li>The number of doors is 6.</li></span> -<span id="LC7" class="line" lang="plaintext"></ol></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="5020:1-5020:57" dir="auto">but this rule should prevent most spurious list captures.</p> -<p data-sourcepos="5022:1-5022:53" dir="auto">There can be any number of blank lines between items:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="5024:1-5043:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- foo</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">- bar</span> -<span id="LC4" class="line" lang="plaintext"></span> -<span id="LC5" class="line" lang="plaintext"></span> -<span id="LC6" class="line" lang="plaintext">- baz</span> -<span id="LC7" class="line" lang="plaintext">.</span> -<span id="LC8" class="line" lang="plaintext"><ul></span> -<span id="LC9" class="line" lang="plaintext"><li></span> -<span id="LC10" class="line" lang="plaintext"><p>foo</p></span> -<span id="LC11" class="line" lang="plaintext"></li></span> -<span id="LC12" class="line" lang="plaintext"><li></span> -<span id="LC13" class="line" lang="plaintext"><p>bar</p></span> -<span id="LC14" class="line" lang="plaintext"></li></span> -<span id="LC15" class="line" lang="plaintext"><li></span> -<span id="LC16" class="line" lang="plaintext"><p>baz</p></span> -<span id="LC17" class="line" lang="plaintext"></li></span> -<span id="LC18" class="line" lang="plaintext"></ul></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="5045:1-5067:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- foo</span> -<span id="LC2" class="line" lang="plaintext"> - bar</span> -<span id="LC3" class="line" lang="plaintext"> - baz</span> -<span id="LC4" class="line" lang="plaintext"></span> -<span id="LC5" class="line" lang="plaintext"></span> -<span id="LC6" class="line" lang="plaintext"> bim</span> -<span id="LC7" class="line" lang="plaintext">.</span> -<span id="LC8" class="line" lang="plaintext"><ul></span> -<span id="LC9" class="line" lang="plaintext"><li>foo</span> -<span id="LC10" class="line" lang="plaintext"><ul></span> -<span id="LC11" class="line" lang="plaintext"><li>bar</span> -<span id="LC12" class="line" lang="plaintext"><ul></span> -<span id="LC13" class="line" lang="plaintext"><li></span> -<span id="LC14" class="line" lang="plaintext"><p>baz</p></span> -<span id="LC15" class="line" lang="plaintext"><p>bim</p></span> -<span id="LC16" class="line" lang="plaintext"></li></span> -<span id="LC17" class="line" lang="plaintext"></ul></span> -<span id="LC18" class="line" lang="plaintext"></li></span> -<span id="LC19" class="line" lang="plaintext"></ul></span> -<span id="LC20" class="line" lang="plaintext"></li></span> -<span id="LC21" class="line" lang="plaintext"></ul></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="5070:1-5073:8" dir="auto">To separate consecutive lists of the same type, or to separate a -list from an indented code block that would otherwise be parsed -as a subparagraph of the final list item, you can insert a blank HTML -comment:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="5075:1-5093:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- foo</span> -<span id="LC2" class="line" lang="plaintext">- bar</span> -<span id="LC3" class="line" lang="plaintext"></span> -<span id="LC4" class="line" lang="plaintext"><!-- --></span> -<span id="LC5" class="line" lang="plaintext"></span> -<span id="LC6" class="line" lang="plaintext">- baz</span> -<span id="LC7" class="line" lang="plaintext">- bim</span> -<span id="LC8" class="line" lang="plaintext">.</span> -<span id="LC9" class="line" lang="plaintext"><ul></span> -<span id="LC10" class="line" lang="plaintext"><li>foo</li></span> -<span id="LC11" class="line" lang="plaintext"><li>bar</li></span> -<span id="LC12" class="line" lang="plaintext"></ul></span> -<span id="LC13" class="line" lang="plaintext"><!-- --></span> -<span id="LC14" class="line" lang="plaintext"><ul></span> -<span id="LC15" class="line" lang="plaintext"><li>baz</li></span> -<span id="LC16" class="line" lang="plaintext"><li>bim</li></span> -<span id="LC17" class="line" lang="plaintext"></ul></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="5096:1-5119:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- foo</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext"> notcode</span> -<span id="LC4" class="line" lang="plaintext"></span> -<span id="LC5" class="line" lang="plaintext">- foo</span> -<span id="LC6" class="line" lang="plaintext"></span> -<span id="LC7" class="line" lang="plaintext"><!-- --></span> -<span id="LC8" class="line" lang="plaintext"></span> -<span id="LC9" class="line" lang="plaintext"> code</span> -<span id="LC10" class="line" lang="plaintext">.</span> -<span id="LC11" class="line" lang="plaintext"><ul></span> -<span id="LC12" class="line" lang="plaintext"><li></span> -<span id="LC13" class="line" lang="plaintext"><p>foo</p></span> -<span id="LC14" class="line" lang="plaintext"><p>notcode</p></span> -<span id="LC15" class="line" lang="plaintext"></li></span> -<span id="LC16" class="line" lang="plaintext"><li></span> -<span id="LC17" class="line" lang="plaintext"><p>foo</p></span> -<span id="LC18" class="line" lang="plaintext"></li></span> -<span id="LC19" class="line" lang="plaintext"></ul></span> -<span id="LC20" class="line" lang="plaintext"><!-- --></span> -<span id="LC21" class="line" lang="plaintext"><pre><code>code</span> -<span id="LC22" class="line" lang="plaintext"></code></pre></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="5122:1-5125:5" dir="auto">List items need not be indented to the same level. The following -list items will be treated as items at the same list level, -since none is indented enough to belong to the previous list -item:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="5127:1-5145:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- a</span> -<span id="LC2" class="line" lang="plaintext"> - b</span> -<span id="LC3" class="line" lang="plaintext"> - c</span> -<span id="LC4" class="line" lang="plaintext"> - d</span> -<span id="LC5" class="line" lang="plaintext"> - e</span> -<span id="LC6" class="line" lang="plaintext"> - f</span> -<span id="LC7" class="line" lang="plaintext">- g</span> -<span id="LC8" class="line" lang="plaintext">.</span> -<span id="LC9" class="line" lang="plaintext"><ul></span> -<span id="LC10" class="line" lang="plaintext"><li>a</li></span> -<span id="LC11" class="line" lang="plaintext"><li>b</li></span> -<span id="LC12" class="line" lang="plaintext"><li>c</li></span> -<span id="LC13" class="line" lang="plaintext"><li>d</li></span> -<span id="LC14" class="line" lang="plaintext"><li>e</li></span> -<span id="LC15" class="line" lang="plaintext"><li>f</li></span> -<span id="LC16" class="line" lang="plaintext"><li>g</li></span> -<span id="LC17" class="line" lang="plaintext"></ul></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="5148:1-5166:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">1. a</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext"> 2. b</span> -<span id="LC4" class="line" lang="plaintext"></span> -<span id="LC5" class="line" lang="plaintext"> 3. c</span> -<span id="LC6" class="line" lang="plaintext">.</span> -<span id="LC7" class="line" lang="plaintext"><ol></span> -<span id="LC8" class="line" lang="plaintext"><li></span> -<span id="LC9" class="line" lang="plaintext"><p>a</p></span> -<span id="LC10" class="line" lang="plaintext"></li></span> -<span id="LC11" class="line" lang="plaintext"><li></span> -<span id="LC12" class="line" lang="plaintext"><p>b</p></span> -<span id="LC13" class="line" lang="plaintext"></li></span> -<span id="LC14" class="line" lang="plaintext"><li></span> -<span id="LC15" class="line" lang="plaintext"><p>c</p></span> -<span id="LC16" class="line" lang="plaintext"></li></span> -<span id="LC17" class="line" lang="plaintext"></ol></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="5168:1-5170:52" dir="auto">Note, however, that list items may not be indented more than -three spaces. Here <code>- e</code> is treated as a paragraph continuation -line, because it is indented more than three spaces:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="5172:1-5186:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- a</span> -<span id="LC2" class="line" lang="plaintext"> - b</span> -<span id="LC3" class="line" lang="plaintext"> - c</span> -<span id="LC4" class="line" lang="plaintext"> - d</span> -<span id="LC5" class="line" lang="plaintext"> - e</span> -<span id="LC6" class="line" lang="plaintext">.</span> -<span id="LC7" class="line" lang="plaintext"><ul></span> -<span id="LC8" class="line" lang="plaintext"><li>a</li></span> -<span id="LC9" class="line" lang="plaintext"><li>b</li></span> -<span id="LC10" class="line" lang="plaintext"><li>c</li></span> -<span id="LC11" class="line" lang="plaintext"><li>d</span> -<span id="LC12" class="line" lang="plaintext">- e</li></span> -<span id="LC13" class="line" lang="plaintext"></ul></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="5188:1-5190:11" dir="auto">And here, <code>3. c</code> is treated as in indented code block, -because it is indented four spaces and preceded by a -blank line.</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="5192:1-5209:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">1. a</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext"> 2. b</span> -<span id="LC4" class="line" lang="plaintext"></span> -<span id="LC5" class="line" lang="plaintext"> 3. c</span> -<span id="LC6" class="line" lang="plaintext">.</span> -<span id="LC7" class="line" lang="plaintext"><ol></span> -<span id="LC8" class="line" lang="plaintext"><li></span> -<span id="LC9" class="line" lang="plaintext"><p>a</p></span> -<span id="LC10" class="line" lang="plaintext"></li></span> -<span id="LC11" class="line" lang="plaintext"><li></span> -<span id="LC12" class="line" lang="plaintext"><p>b</p></span> -<span id="LC13" class="line" lang="plaintext"></li></span> -<span id="LC14" class="line" lang="plaintext"></ol></span> -<span id="LC15" class="line" lang="plaintext"><pre><code>3. c</span> -<span id="LC16" class="line" lang="plaintext"></code></pre></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="5212:1-5213:22" dir="auto">This is a loose list, because there is a blank line between -two of the list items:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="5215:1-5232:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- a</span> -<span id="LC2" class="line" lang="plaintext">- b</span> -<span id="LC3" class="line" lang="plaintext"></span> -<span id="LC4" class="line" lang="plaintext">- c</span> -<span id="LC5" class="line" lang="plaintext">.</span> -<span id="LC6" class="line" lang="plaintext"><ul></span> -<span id="LC7" class="line" lang="plaintext"><li></span> -<span id="LC8" class="line" lang="plaintext"><p>a</p></span> -<span id="LC9" class="line" lang="plaintext"></li></span> -<span id="LC10" class="line" lang="plaintext"><li></span> -<span id="LC11" class="line" lang="plaintext"><p>b</p></span> -<span id="LC12" class="line" lang="plaintext"></li></span> -<span id="LC13" class="line" lang="plaintext"><li></span> -<span id="LC14" class="line" lang="plaintext"><p>c</p></span> -<span id="LC15" class="line" lang="plaintext"></li></span> -<span id="LC16" class="line" lang="plaintext"></ul></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="5235:1-5235:37" dir="auto">So is this, with a empty second item:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="5237:1-5252:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">* a</span> -<span id="LC2" class="line" lang="plaintext">*</span> -<span id="LC3" class="line" lang="plaintext"></span> -<span id="LC4" class="line" lang="plaintext">* c</span> -<span id="LC5" class="line" lang="plaintext">.</span> -<span id="LC6" class="line" lang="plaintext"><ul></span> -<span id="LC7" class="line" lang="plaintext"><li></span> -<span id="LC8" class="line" lang="plaintext"><p>a</p></span> -<span id="LC9" class="line" lang="plaintext"></li></span> -<span id="LC10" class="line" lang="plaintext"><li></li></span> -<span id="LC11" class="line" lang="plaintext"><li></span> -<span id="LC12" class="line" lang="plaintext"><p>c</p></span> -<span id="LC13" class="line" lang="plaintext"></li></span> -<span id="LC14" class="line" lang="plaintext"></ul></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="5255:1-5257:31" dir="auto">These are loose lists, even though there is no space between the items, -because one of the items directly contains two block-level elements -with a blank line between them:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="5259:1-5278:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- a</span> -<span id="LC2" class="line" lang="plaintext">- b</span> -<span id="LC3" class="line" lang="plaintext"></span> -<span id="LC4" class="line" lang="plaintext"> c</span> -<span id="LC5" class="line" lang="plaintext">- d</span> -<span id="LC6" class="line" lang="plaintext">.</span> -<span id="LC7" class="line" lang="plaintext"><ul></span> -<span id="LC8" class="line" lang="plaintext"><li></span> -<span id="LC9" class="line" lang="plaintext"><p>a</p></span> -<span id="LC10" class="line" lang="plaintext"></li></span> -<span id="LC11" class="line" lang="plaintext"><li></span> -<span id="LC12" class="line" lang="plaintext"><p>b</p></span> -<span id="LC13" class="line" lang="plaintext"><p>c</p></span> -<span id="LC14" class="line" lang="plaintext"></li></span> -<span id="LC15" class="line" lang="plaintext"><li></span> -<span id="LC16" class="line" lang="plaintext"><p>d</p></span> -<span id="LC17" class="line" lang="plaintext"></li></span> -<span id="LC18" class="line" lang="plaintext"></ul></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="5281:1-5299:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- a</span> -<span id="LC2" class="line" lang="plaintext">- b</span> -<span id="LC3" class="line" lang="plaintext"></span> -<span id="LC4" class="line" lang="plaintext"> [ref]: /url</span> -<span id="LC5" class="line" lang="plaintext">- d</span> -<span id="LC6" class="line" lang="plaintext">.</span> -<span id="LC7" class="line" lang="plaintext"><ul></span> -<span id="LC8" class="line" lang="plaintext"><li></span> -<span id="LC9" class="line" lang="plaintext"><p>a</p></span> -<span id="LC10" class="line" lang="plaintext"></li></span> -<span id="LC11" class="line" lang="plaintext"><li></span> -<span id="LC12" class="line" lang="plaintext"><p>b</p></span> -<span id="LC13" class="line" lang="plaintext"></li></span> -<span id="LC14" class="line" lang="plaintext"><li></span> -<span id="LC15" class="line" lang="plaintext"><p>d</p></span> -<span id="LC16" class="line" lang="plaintext"></li></span> -<span id="LC17" class="line" lang="plaintext"></ul></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="5302:1-5302:66" dir="auto">This is a tight list, because the blank lines are in a code block:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="5304:1-5323:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- a</span> -<span id="LC2" class="line" lang="plaintext">- ```</span> -<span id="LC3" class="line" lang="plaintext"> b</span> -<span id="LC4" class="line" lang="plaintext"></span> -<span id="LC5" class="line" lang="plaintext"></span> -<span id="LC6" class="line" lang="plaintext"> ```</span> -<span id="LC7" class="line" lang="plaintext">- c</span> -<span id="LC8" class="line" lang="plaintext">.</span> -<span id="LC9" class="line" lang="plaintext"><ul></span> -<span id="LC10" class="line" lang="plaintext"><li>a</li></span> -<span id="LC11" class="line" lang="plaintext"><li></span> -<span id="LC12" class="line" lang="plaintext"><pre><code>b</span> -<span id="LC13" class="line" lang="plaintext"></span> -<span id="LC14" class="line" lang="plaintext"></span> -<span id="LC15" class="line" lang="plaintext"></code></pre></span> -<span id="LC16" class="line" lang="plaintext"></li></span> -<span id="LC17" class="line" lang="plaintext"><li>c</li></span> -<span id="LC18" class="line" lang="plaintext"></ul></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="5326:1-5328:24" dir="auto">This is a tight list, because the blank line is between two -paragraphs of a sublist. So the sublist is loose while -the outer list is tight:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="5330:1-5348:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- a</span> -<span id="LC2" class="line" lang="plaintext"> - b</span> -<span id="LC3" class="line" lang="plaintext"></span> -<span id="LC4" class="line" lang="plaintext"> c</span> -<span id="LC5" class="line" lang="plaintext">- d</span> -<span id="LC6" class="line" lang="plaintext">.</span> -<span id="LC7" class="line" lang="plaintext"><ul></span> -<span id="LC8" class="line" lang="plaintext"><li>a</span> -<span id="LC9" class="line" lang="plaintext"><ul></span> -<span id="LC10" class="line" lang="plaintext"><li></span> -<span id="LC11" class="line" lang="plaintext"><p>b</p></span> -<span id="LC12" class="line" lang="plaintext"><p>c</p></span> -<span id="LC13" class="line" lang="plaintext"></li></span> -<span id="LC14" class="line" lang="plaintext"></ul></span> -<span id="LC15" class="line" lang="plaintext"></li></span> -<span id="LC16" class="line" lang="plaintext"><li>d</li></span> -<span id="LC17" class="line" lang="plaintext"></ul></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="5351:1-5352:12" dir="auto">This is a tight list, because the blank line is inside the -block quote:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="5354:1-5368:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">* a</span> -<span id="LC2" class="line" lang="plaintext"> > b</span> -<span id="LC3" class="line" lang="plaintext"> ></span> -<span id="LC4" class="line" lang="plaintext">* c</span> -<span id="LC5" class="line" lang="plaintext">.</span> -<span id="LC6" class="line" lang="plaintext"><ul></span> -<span id="LC7" class="line" lang="plaintext"><li>a</span> -<span id="LC8" class="line" lang="plaintext"><blockquote></span> -<span id="LC9" class="line" lang="plaintext"><p>b</p></span> -<span id="LC10" class="line" lang="plaintext"></blockquote></span> -<span id="LC11" class="line" lang="plaintext"></li></span> -<span id="LC12" class="line" lang="plaintext"><li>c</li></span> -<span id="LC13" class="line" lang="plaintext"></ul></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="5371:1-5372:33" dir="auto">This list is tight, because the consecutive block elements -are not separated by blank lines:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="5374:1-5392:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- a</span> -<span id="LC2" class="line" lang="plaintext"> > b</span> -<span id="LC3" class="line" lang="plaintext"> ```</span> -<span id="LC4" class="line" lang="plaintext"> c</span> -<span id="LC5" class="line" lang="plaintext"> ```</span> -<span id="LC6" class="line" lang="plaintext">- d</span> -<span id="LC7" class="line" lang="plaintext">.</span> -<span id="LC8" class="line" lang="plaintext"><ul></span> -<span id="LC9" class="line" lang="plaintext"><li>a</span> -<span id="LC10" class="line" lang="plaintext"><blockquote></span> -<span id="LC11" class="line" lang="plaintext"><p>b</p></span> -<span id="LC12" class="line" lang="plaintext"></blockquote></span> -<span id="LC13" class="line" lang="plaintext"><pre><code>c</span> -<span id="LC14" class="line" lang="plaintext"></code></pre></span> -<span id="LC15" class="line" lang="plaintext"></li></span> -<span id="LC16" class="line" lang="plaintext"><li>d</li></span> -<span id="LC17" class="line" lang="plaintext"></ul></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="5395:1-5395:33" dir="auto">A single-paragraph list is tight:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="5397:1-5403:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- a</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><ul></span> -<span id="LC4" class="line" lang="plaintext"><li>a</li></span> -<span id="LC5" class="line" lang="plaintext"></ul></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="5406:1-5417:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- a</span> -<span id="LC2" class="line" lang="plaintext"> - b</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><ul></span> -<span id="LC5" class="line" lang="plaintext"><li>a</span> -<span id="LC6" class="line" lang="plaintext"><ul></span> -<span id="LC7" class="line" lang="plaintext"><li>b</li></span> -<span id="LC8" class="line" lang="plaintext"></ul></span> -<span id="LC9" class="line" lang="plaintext"></li></span> -<span id="LC10" class="line" lang="plaintext"></ul></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="5420:1-5421:36" dir="auto">This list is loose, because of the blank line between the -two block elements in the list item:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="5423:1-5437:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">1. ```</span> -<span id="LC2" class="line" lang="plaintext"> foo</span> -<span id="LC3" class="line" lang="plaintext"> ```</span> -<span id="LC4" class="line" lang="plaintext"></span> -<span id="LC5" class="line" lang="plaintext"> bar</span> -<span id="LC6" class="line" lang="plaintext">.</span> -<span id="LC7" class="line" lang="plaintext"><ol></span> -<span id="LC8" class="line" lang="plaintext"><li></span> -<span id="LC9" class="line" lang="plaintext"><pre><code>foo</span> -<span id="LC10" class="line" lang="plaintext"></code></pre></span> -<span id="LC11" class="line" lang="plaintext"><p>bar</p></span> -<span id="LC12" class="line" lang="plaintext"></li></span> -<span id="LC13" class="line" lang="plaintext"></ol></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="5440:1-5440:51" dir="auto">Here the outer list is loose, the inner list tight:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="5442:1-5457:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">* foo</span> -<span id="LC2" class="line" lang="plaintext"> * bar</span> -<span id="LC3" class="line" lang="plaintext"></span> -<span id="LC4" class="line" lang="plaintext"> baz</span> -<span id="LC5" class="line" lang="plaintext">.</span> -<span id="LC6" class="line" lang="plaintext"><ul></span> -<span id="LC7" class="line" lang="plaintext"><li></span> -<span id="LC8" class="line" lang="plaintext"><p>foo</p></span> -<span id="LC9" class="line" lang="plaintext"><ul></span> -<span id="LC10" class="line" lang="plaintext"><li>bar</li></span> -<span id="LC11" class="line" lang="plaintext"></ul></span> -<span id="LC12" class="line" lang="plaintext"><p>baz</p></span> -<span id="LC13" class="line" lang="plaintext"></li></span> -<span id="LC14" class="line" lang="plaintext"></ul></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="5460:1-5485:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- a</span> -<span id="LC2" class="line" lang="plaintext"> - b</span> -<span id="LC3" class="line" lang="plaintext"> - c</span> -<span id="LC4" class="line" lang="plaintext"></span> -<span id="LC5" class="line" lang="plaintext">- d</span> -<span id="LC6" class="line" lang="plaintext"> - e</span> -<span id="LC7" class="line" lang="plaintext"> - f</span> -<span id="LC8" class="line" lang="plaintext">.</span> -<span id="LC9" class="line" lang="plaintext"><ul></span> -<span id="LC10" class="line" lang="plaintext"><li></span> -<span id="LC11" class="line" lang="plaintext"><p>a</p></span> -<span id="LC12" class="line" lang="plaintext"><ul></span> -<span id="LC13" class="line" lang="plaintext"><li>b</li></span> -<span id="LC14" class="line" lang="plaintext"><li>c</li></span> -<span id="LC15" class="line" lang="plaintext"></ul></span> -<span id="LC16" class="line" lang="plaintext"></li></span> -<span id="LC17" class="line" lang="plaintext"><li></span> -<span id="LC18" class="line" lang="plaintext"><p>d</p></span> -<span id="LC19" class="line" lang="plaintext"><ul></span> -<span id="LC20" class="line" lang="plaintext"><li>e</li></span> -<span id="LC21" class="line" lang="plaintext"><li>f</li></span> -<span id="LC22" class="line" lang="plaintext"></ul></span> -<span id="LC23" class="line" lang="plaintext"></li></span> -<span id="LC24" class="line" lang="plaintext"></ul></span></code></pre> -<copy-code></copy-code> -</div> -<h1 data-sourcepos="5488:1-5488:9" dir="auto"> -<a id="user-content-inlines" class="anchor" href="#inlines" aria-hidden="true"></a>Inlines</h1> -<p data-sourcepos="5490:1-5492:21" dir="auto">Inlines are parsed sequentially from the beginning of the character -stream to the end (left to right, in left-to-right languages). -Thus, for example, in</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="5494:1-5498:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">`hi`lo`</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><code>hi</code>lo`</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="5500:1-5501:9" dir="auto"><code>hi</code> is parsed as code, leaving the backtick at the end as a literal -backtick.</p> -<h2 data-sourcepos="5504:1-5504:20" dir="auto"> -<a id="user-content-backslash-escapes" class="anchor" href="#backslash-escapes" aria-hidden="true"></a>Backslash escapes</h2> -<p data-sourcepos="5506:1-5506:57" dir="auto">Any ASCII punctuation character may be backslash-escaped:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="5508:1-5512:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">\!\"\#\$\%\&\'\(\)\*\+\,\-\.\/\:\;\<\=\>\?\@\[\\\]\^\_\`\{\|\}\~</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>!&quot;#$%&amp;'()*+,-./:;&lt;=&gt;?@[\]^_`{|}~</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="5515:1-5516:12" dir="auto">Backslashes before other characters are treated as literal -backslashes:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="5518:1-5522:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">\→\A\a\ \3\φ\«</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>\→\A\a\ \3\φ\«</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="5525:1-5526:39" dir="auto">Escaped characters are treated as regular characters and do -not have their usual Markdown meanings:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="5528:1-5548:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">\*not emphasized*</span> -<span id="LC2" class="line" lang="plaintext">\<br/> not a tag</span> -<span id="LC3" class="line" lang="plaintext">\[not a link](/foo)</span> -<span id="LC4" class="line" lang="plaintext">\`not code`</span> -<span id="LC5" class="line" lang="plaintext">1\. not a list</span> -<span id="LC6" class="line" lang="plaintext">\* not a list</span> -<span id="LC7" class="line" lang="plaintext">\# not a heading</span> -<span id="LC8" class="line" lang="plaintext">\[foo]: /url "not a reference"</span> -<span id="LC9" class="line" lang="plaintext">\&ouml; not a character entity</span> -<span id="LC10" class="line" lang="plaintext">.</span> -<span id="LC11" class="line" lang="plaintext"><p>*not emphasized*</span> -<span id="LC12" class="line" lang="plaintext">&lt;br/&gt; not a tag</span> -<span id="LC13" class="line" lang="plaintext">[not a link](/foo)</span> -<span id="LC14" class="line" lang="plaintext">`not code`</span> -<span id="LC15" class="line" lang="plaintext">1. not a list</span> -<span id="LC16" class="line" lang="plaintext">* not a list</span> -<span id="LC17" class="line" lang="plaintext"># not a heading</span> -<span id="LC18" class="line" lang="plaintext">[foo]: /url &quot;not a reference&quot;</span> -<span id="LC19" class="line" lang="plaintext">&amp;ouml; not a character entity</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="5551:1-5551:65" dir="auto">If a backslash is itself escaped, the following character is not:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="5553:1-5557:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">\\*emphasis*</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>\<em>emphasis</em></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="5560:1-5560:58" dir="auto">A backslash at the end of the line is a [hard line break]:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="5562:1-5568:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo\</span> -<span id="LC2" class="line" lang="plaintext">bar</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><p>foo<br /></span> -<span id="LC5" class="line" lang="plaintext">bar</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="5571:1-5572:9" dir="auto">Backslash escapes do not work in code blocks, code spans, autolinks, or -raw HTML:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="5574:1-5578:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">`` \[\` ``</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><code>\[\`</code></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="5581:1-5586:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> \[\]</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><pre><code>\[\]</span> -<span id="LC4" class="line" lang="plaintext"></code></pre></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="5589:1-5596:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">~~~</span> -<span id="LC2" class="line" lang="plaintext">\[\]</span> -<span id="LC3" class="line" lang="plaintext">~~~</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><pre><code>\[\]</span> -<span id="LC6" class="line" lang="plaintext"></code></pre></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="5599:1-5603:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><http://example.com?find=\*></span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><a href="http://example.com?find=%5C*">http://example.com?find=\*</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="5606:1-5610:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><a href="/bar\/)"></span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><a href="/bar\/)"></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="5613:1-5614:60" dir="auto">But they work in all other contexts, including URLs and link titles, -link references, and [info strings] in [fenced code blocks]:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="5616:1-5620:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo](/bar\* "ti\*tle")</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><a href="/bar*" title="ti*tle">foo</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="5623:1-5629:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo]</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">[foo]: /bar\* "ti\*tle"</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p><a href="/bar*" title="ti*tle">foo</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="5632:1-5639:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">``` foo\+bar</span> -<span id="LC2" class="line" lang="plaintext">foo</span> -<span id="LC3" class="line" lang="plaintext">```</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><pre><code class="language-foo+bar">foo</span> -<span id="LC6" class="line" lang="plaintext"></code></pre></span></code></pre> -<copy-code></copy-code> -</div> -<h2 data-sourcepos="5643:1-5643:42" dir="auto"> -<a id="user-content-entity-and-numeric-character-references" class="anchor" href="#entity-and-numeric-character-references" aria-hidden="true"></a>Entity and numeric character references</h2> -<p data-sourcepos="5645:1-5647:30" dir="auto">Valid HTML entity references and numeric character references -can be used in place of the corresponding Unicode character, -with the following exceptions:</p> -<ul data-sourcepos="5649:1-5658:0" dir="auto"> -<li data-sourcepos="5649:1-5651:0"> -<p data-sourcepos="5649:3-5650:24">Entity and character references are not recognized in code -blocks and code spans.</p> -</li> -<li data-sourcepos="5652:1-5658:0"> -<p data-sourcepos="5652:3-5657:9">Entity and character references cannot stand in place of -special characters that define structural elements in -CommonMark. For example, although <code>&#42;</code> can be used -in place of a literal <code>*</code> character, <code>&#42;</code> cannot replace -<code>*</code> in emphasis delimiters, bullet list markers, or thematic -breaks.</p> -</li> -</ul> -<p data-sourcepos="5659:1-5661:49" dir="auto">Conforming CommonMark parsers need not store information about -whether a particular character was represented in the source -using a Unicode character or an entity reference.</p> -<p data-sourcepos="5663:1-5667:47" dir="auto"><a href="@">Entity references</a> consist of <code>&</code> + any of the valid -HTML5 entity names + <code>;</code>. The -document <a href="https://html.spec.whatwg.org/multipage/entities.json" rel="nofollow noreferrer noopener" target="_blank">https://html.spec.whatwg.org/multipage/entities.json</a> -is used as an authoritative source for the valid entity -references and their corresponding code points.</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="5669:1-5677:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">&nbsp; &amp; &copy; &AElig; &Dcaron;</span> -<span id="LC2" class="line" lang="plaintext">&frac34; &HilbertSpace; &DifferentialD;</span> -<span id="LC3" class="line" lang="plaintext">&ClockwiseContourIntegral; &ngE;</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p> &amp; © Æ Ď</span> -<span id="LC6" class="line" lang="plaintext">¾ ℋ ⅆ</span> -<span id="LC7" class="line" lang="plaintext">∲ ≧̸</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="5680:1-5686:58" dir="auto"><a href="@">Decimal numeric character -references</a> -consist of <code>&#</code> + a string of 1--7 arabic digits + <code>;</code>. A -numeric character reference is parsed as the corresponding -Unicode character. Invalid Unicode code points will be replaced by -the REPLACEMENT CHARACTER (<code>U+FFFD</code>). For security reasons, -the code point <code>U+0000</code> will also be replaced by <code>U+FFFD</code>.</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="5688:1-5692:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">&#35; &#1234; &#992; &#0;</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p># Ӓ Ϡ �</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="5695:1-5699:62" dir="auto"><a href="@">Hexadecimal numeric character -references</a> consist of <code>&#</code> + -either <code>X</code> or <code>x</code> + a string of 1-6 hexadecimal digits + <code>;</code>. -They too are parsed as the corresponding Unicode character (this -time specified with a hexadecimal numeral instead of decimal).</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="5701:1-5705:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">&#X22; &#XD06; &#xcab;</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>&quot; ആ ಫ</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="5708:1-5708:26" dir="auto">Here are some nonentities:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="5710:1-5720:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">&nbsp &x; &#; &#x;</span> -<span id="LC2" class="line" lang="plaintext">&#987654321;</span> -<span id="LC3" class="line" lang="plaintext">&#abcdef0;</span> -<span id="LC4" class="line" lang="plaintext">&ThisIsNotDefined; &hi?;</span> -<span id="LC5" class="line" lang="plaintext">.</span> -<span id="LC6" class="line" lang="plaintext"><p>&amp;nbsp &amp;x; &amp;#; &amp;#x;</span> -<span id="LC7" class="line" lang="plaintext">&amp;#987654321;</span> -<span id="LC8" class="line" lang="plaintext">&amp;#abcdef0;</span> -<span id="LC9" class="line" lang="plaintext">&amp;ThisIsNotDefined; &amp;hi?;</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="5723:1-5725:60" dir="auto">Although HTML5 does accept some entity references -without a trailing semicolon (such as <code>&copy</code>), these are not -recognized here, because it makes the grammar too ambiguous:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="5727:1-5731:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">&copy</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>&amp;copy</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="5734:1-5735:39" dir="auto">Strings that are not on the list of HTML5 named entities are not -recognized as entity references either:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="5737:1-5741:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">&MadeUpEntity;</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>&amp;MadeUpEntity;</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="5744:1-5746:62" dir="auto">Entity and numeric character references are recognized in any -context besides code spans or code blocks, including -URLs, [link titles], and [fenced code block][] [info strings]:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="5748:1-5752:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><a href="&ouml;&ouml;.html"></span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><a href="&ouml;&ouml;.html"></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="5755:1-5759:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo](/f&ouml;&ouml; "f&ouml;&ouml;")</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><a href="/f%C3%B6%C3%B6" title="föö">foo</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="5762:1-5768:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo]</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">[foo]: /f&ouml;&ouml; "f&ouml;&ouml;"</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p><a href="/f%C3%B6%C3%B6" title="föö">foo</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="5771:1-5778:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">``` f&ouml;&ouml;</span> -<span id="LC2" class="line" lang="plaintext">foo</span> -<span id="LC3" class="line" lang="plaintext">```</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><pre><code class="language-föö">foo</span> -<span id="LC6" class="line" lang="plaintext"></code></pre></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="5781:1-5782:35" dir="auto">Entity and numeric character references are treated as literal -text in code spans and code blocks:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="5784:1-5788:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">`f&ouml;&ouml;`</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><code>f&amp;ouml;&amp;ouml;</code></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="5791:1-5796:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> f&ouml;f&ouml;</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><pre><code>f&amp;ouml;f&amp;ouml;</span> -<span id="LC4" class="line" lang="plaintext"></code></pre></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="5799:1-5801:10" dir="auto">Entity and numeric character references cannot be used -in place of symbols indicating structure in CommonMark -documents.</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="5803:1-5809:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">&#42;foo&#42;</span> -<span id="LC2" class="line" lang="plaintext">*foo*</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><p>*foo*</span> -<span id="LC5" class="line" lang="plaintext"><em>foo</em></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="5811:1-5820:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">&#42; foo</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">* foo</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p>* foo</p></span> -<span id="LC6" class="line" lang="plaintext"><ul></span> -<span id="LC7" class="line" lang="plaintext"><li>foo</li></span> -<span id="LC8" class="line" lang="plaintext"></ul></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="5822:1-5828:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo&#10;&#10;bar</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>foo</span> -<span id="LC4" class="line" lang="plaintext"></span> -<span id="LC5" class="line" lang="plaintext">bar</p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="5830:1-5834:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">&#9;foo</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>→foo</p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="5837:1-5841:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[a](url &quot;tit&quot;)</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>[a](url &quot;tit&quot;)</p></span></code></pre> -<copy-code></copy-code> -</div> -<h2 data-sourcepos="5844:1-5844:13" dir="auto"> -<a id="user-content-code-spans" class="anchor" href="#code-spans" aria-hidden="true"></a>Code spans</h2> -<p data-sourcepos="5846:1-5848:36" dir="auto">A <a href="@">backtick string</a> -is a string of one or more backtick characters (<code>`</code>) that is neither -preceded nor followed by a backtick.</p> -<p data-sourcepos="5850:1-5853:15" dir="auto">A <a href="@">code span</a> begins with a backtick string and ends with -a backtick string of equal length. The contents of the code span are -the characters between the two backtick strings, normalized in the -following ways:</p> -<ul data-sourcepos="5855:1-5862:0" dir="auto"> -<li data-sourcepos="5855:1-5855:50">First, [line endings] are converted to [spaces].</li> -<li data-sourcepos="5856:1-5862:0">If the resulting string both begins <em>and</em> ends with a [space] -character, but does not consist entirely of [space] -characters, a single [space] character is removed from the -front and back. This allows you to include code that begins -or ends with backtick characters, which must be separated by -whitespace from the opening or closing backtick strings.</li> -</ul> -<p data-sourcepos="5863:1-5863:27" dir="auto">This is a simple code span:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="5865:1-5869:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">`foo`</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><code>foo</code></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="5872:1-5874:15" dir="auto">Here two backticks are used, because the code contains a backtick. -This example also illustrates stripping of a single leading and -trailing space:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="5876:1-5880:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">`` foo ` bar ``</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><code>foo ` bar</code></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="5883:1-5884:7" dir="auto">This example shows the motivation for stripping leading and trailing -spaces:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="5886:1-5890:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">` `` `</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><code>``</code></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="5892:1-5892:39" dir="auto">Note that only <em>one</em> space is stripped:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="5894:1-5898:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">` `` `</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><code> `` </code></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="5900:1-5901:20" dir="auto">The stripping only happens if the space is on both -sides of the string:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="5903:1-5907:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">` a`</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><code> a</code></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="5909:1-5910:21" dir="auto">Only [spaces], and not [unicode whitespace] in general, are -stripped in this way:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="5912:1-5916:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">` b `</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><code> b </code></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="5918:1-5918:58" dir="auto">No stripping occurs if the code span contains only spaces:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="5920:1-5926:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">` `</span> -<span id="LC2" class="line" lang="plaintext">` `</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><p><code> </code></span> -<span id="LC5" class="line" lang="plaintext"><code> </code></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="5929:1-5929:39" dir="auto">[Line endings] are treated like spaces:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="5931:1-5939:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">``</span> -<span id="LC2" class="line" lang="plaintext">foo</span> -<span id="LC3" class="line" lang="plaintext">bar </span> -<span id="LC4" class="line" lang="plaintext">baz</span> -<span id="LC5" class="line" lang="plaintext">``</span> -<span id="LC6" class="line" lang="plaintext">.</span> -<span id="LC7" class="line" lang="plaintext"><p><code>foo bar baz</code></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="5941:1-5947:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">``</span> -<span id="LC2" class="line" lang="plaintext">foo </span> -<span id="LC3" class="line" lang="plaintext">``</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p><code>foo </code></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="5950:1-5950:34" dir="auto">Interior spaces are not collapsed:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="5952:1-5957:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">`foo bar </span> -<span id="LC2" class="line" lang="plaintext">baz`</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><p><code>foo bar baz</code></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="5959:1-5961:26" dir="auto">Note that browsers will typically collapse consecutive spaces -when rendering <code><code></code> elements, so it is recommended that -the following CSS be used:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="5963:5-5965:0" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">code{white-space: pre-wrap;}</span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="5966:1-5967:22" dir="auto">Note that backslash escapes do not work in code spans. All backslashes -are treated literally:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="5969:1-5973:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">`foo\`bar`</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><code>foo\</code>bar`</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="5976:1-5978:59" dir="auto">Backslash escapes are never needed, because one can always choose a -string of <em>n</em> backtick characters as delimiters, where the code does -not contain any strings of exactly <em>n</em> backtick characters.</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="5980:1-5984:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">``foo`bar``</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><code>foo`bar</code></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="5986:1-5990:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">` foo `` bar `</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><code>foo `` bar</code></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="5993:1-5996:5" dir="auto">Code span backticks have higher precedence than any other inline -constructs except HTML tags and autolinks. Thus, for example, this is -not parsed as emphasized text, since the second <code>*</code> is part of a code -span:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="5998:1-6002:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">*foo`*`</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>*foo<code>*</code></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="6005:1-6005:33" dir="auto">And this is not parsed as a link:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6007:1-6011:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[not a `link](/foo`)</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>[not a <code>link](/foo</code>)</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="6014:1-6015:19" dir="auto">Code spans, HTML tags, and autolinks have the same precedence. -Thus, this is code:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6017:1-6021:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">`<a href="`">`</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><code>&lt;a href=&quot;</code>&quot;&gt;`</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="6024:1-6024:24" dir="auto">But this is an HTML tag:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6026:1-6030:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><a href="`">`</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><a href="`">`</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="6033:1-6033:17" dir="auto">And this is code:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6035:1-6039:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">`<http://foo.bar.`baz>`</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><code>&lt;http://foo.bar.</code>baz&gt;`</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="6042:1-6042:24" dir="auto">But this is an autolink:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6044:1-6048:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><http://foo.bar.`baz>`</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><a href="http://foo.bar.%60baz">http://foo.bar.`baz</a>`</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="6051:1-6052:31" dir="auto">When a backtick string is not closed by a matching backtick string, -we just have literal backticks:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6054:1-6058:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">```foo``</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>```foo``</p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6061:1-6065:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">`foo</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>`foo</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="6067:1-6068:47" dir="auto">The following case also illustrates the need for opening and -closing backtick strings to be equal in length:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6070:1-6074:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">`foo``bar``</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>`foo<code>bar</code></p></span></code></pre> -<copy-code></copy-code> -</div> -<h2 data-sourcepos="6077:1-6077:31" dir="auto"> -<a id="user-content-emphasis-and-strong-emphasis" class="anchor" href="#emphasis-and-strong-emphasis" aria-hidden="true"></a>Emphasis and strong emphasis</h2> -<p data-sourcepos="6079:1-6080:73" dir="auto">John Gruber's original <a href="http://daringfireball.net/projects/markdown/syntax#em" rel="nofollow noreferrer noopener" target="_blank">Markdown syntax -description</a> says:</p> -<blockquote data-sourcepos="6082:1-6085:6" dir="auto"> -<p data-sourcepos="6082:3-6085:6">Markdown treats asterisks (<code>*</code>) and underscores (<code>_</code>) as indicators of -emphasis. Text wrapped with one <code>*</code> or <code>_</code> will be wrapped with an HTML -<code><em></code> tag; double <code>*</code>'s or <code>_</code>'s will be wrapped with an HTML <code><strong></code> -tag.</p> -</blockquote> -<p data-sourcepos="6087:1-6091:57" dir="auto">This is enough for most users, but these rules leave much undecided, -especially when it comes to nested emphasis. The original -<code>Markdown.pl</code> test suite makes it clear that triple <code>***</code> and -<code>___</code> delimiters can be used for strong emphasis, and most -implementations have also allowed the following patterns:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6093:1-6099:3" class="code highlight js-syntax-highlight language-markdown" lang="markdown" v-pre="true"><code><span id="LC1" class="line" lang="markdown"><span class="gs">***strong emph**</span><span class="err">*</span></span> -<span id="LC2" class="line" lang="markdown"><span class="gs">***strong**</span> in emph<span class="err">*</span></span> -<span id="LC3" class="line" lang="markdown"><span class="gs">***emph* in strong**</span></span> -<span id="LC4" class="line" lang="markdown"><span class="gs">**in strong *emph**</span><span class="err">*</span></span> -<span id="LC5" class="line" lang="markdown"><span class="ge">*in emph **strong***</span></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="6101:1-6103:9" dir="auto">The following patterns are less widely supported, but the intent -is clear and they are useful (especially in contexts like bibliography -entries):</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6105:1-6108:3" class="code highlight js-syntax-highlight language-markdown" lang="markdown" v-pre="true"><code><span id="LC1" class="line" lang="markdown"><span class="ge">*emph *</span>with emph<span class="ge">* in it*</span></span> -<span id="LC2" class="line" lang="markdown"><span class="gs">**strong **</span>with strong<span class="gs">** in it**</span></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="6110:1-6113:31" dir="auto">Many implementations have also restricted intraword emphasis to -the <code>*</code> forms, to avoid unwanted emphasis in words containing -internal underscores. (It is best practice to put these in code -spans, but users often do not.)</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6115:1-6118:3" class="code highlight js-syntax-highlight language-markdown" lang="markdown" v-pre="true"><code><span id="LC1" class="line" lang="markdown">internal emphasis: foo<span class="ge">*bar*</span>baz</span> -<span id="LC2" class="line" lang="markdown">no emphasis: foo_bar_baz</span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="6120:1-6121:55" dir="auto">The rules given below capture all of these patterns, while allowing -for efficient parsing strategies that do not backtrack.</p> -<p data-sourcepos="6123:1-6127:38" dir="auto">First, some definitions. A <a href="@">delimiter run</a> is either -a sequence of one or more <code>*</code> characters that is not preceded or -followed by a non-backslash-escaped <code>*</code> character, or a sequence -of one or more <code>_</code> characters that is not preceded or followed by -a non-backslash-escaped <code>_</code> character.</p> -<p data-sourcepos="6129:1-6135:37" dir="auto">A <a href="@">left-flanking delimiter run</a> is -a [delimiter run] that is (1) not followed by [Unicode whitespace], -and either (2a) not followed by a [punctuation character], or -(2b) followed by a [punctuation character] and -preceded by [Unicode whitespace] or a [punctuation character]. -For purposes of this definition, the beginning and the end of -the line count as Unicode whitespace.</p> -<p data-sourcepos="6137:1-6143:37" dir="auto">A <a href="@">right-flanking delimiter run</a> is -a [delimiter run] that is (1) not preceded by [Unicode whitespace], -and either (2a) not preceded by a [punctuation character], or -(2b) preceded by a [punctuation character] and -followed by [Unicode whitespace] or a [punctuation character]. -For purposes of this definition, the beginning and the end of -the line count as Unicode whitespace.</p> -<p data-sourcepos="6145:1-6145:41" dir="auto">Here are some examples of delimiter runs.</p> -<ul data-sourcepos="6147:3-6178:0" dir="auto"> -<li data-sourcepos="6147:3-6155:0"> -<p data-sourcepos="6147:5-6147:41">left-flanking but not right-flanking:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6149:5-6154:7" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">***abc</span> -<span id="LC2" class="line" lang="plaintext"> _abc</span> -<span id="LC3" class="line" lang="plaintext">**"abc"</span> -<span id="LC4" class="line" lang="plaintext"> _"abc"</span></code></pre> -<copy-code></copy-code> -</div> -</li> -<li data-sourcepos="6156:3-6164:0"> -<p data-sourcepos="6156:5-6156:41">right-flanking but not left-flanking:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6158:5-6163:7" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> abc***</span> -<span id="LC2" class="line" lang="plaintext"> abc_</span> -<span id="LC3" class="line" lang="plaintext">"abc"**</span> -<span id="LC4" class="line" lang="plaintext">"abc"_</span></code></pre> -<copy-code></copy-code> -</div> -</li> -<li data-sourcepos="6165:3-6171:0"> -<p data-sourcepos="6165:5-6165:33">Both left and right-flanking:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6167:5-6170:7" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> abc***def</span> -<span id="LC2" class="line" lang="plaintext">"abc"_"def"</span></code></pre> -<copy-code></copy-code> -</div> -</li> -<li data-sourcepos="6172:3-6178:0"> -<p data-sourcepos="6172:5-6172:36">Neither left nor right-flanking:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6174:5-6177:7" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">abc *** def</span> -<span id="LC2" class="line" lang="plaintext">a _ b</span></code></pre> -<copy-code></copy-code> -</div> -</li> -</ul> -<p data-sourcepos="6179:1-6185:49" dir="auto">(The idea of distinguishing left-flanking and right-flanking -delimiter runs based on the character before and the character -after comes from Roopesh Chander's -<a href="http://www.vfmd.org/vfmd-spec/specification/#procedure-for-identifying-emphasis-tags" rel="nofollow noreferrer noopener" target="_blank">vfmd</a>. -vfmd uses the terminology "emphasis indicator string" instead of "delimiter -run," and its rules for distinguishing left- and right-flanking runs -are a bit more complex than the ones given here.)</p> -<p data-sourcepos="6187:1-6187:56" dir="auto">The following rules define emphasis and strong emphasis:</p> -<ol data-sourcepos="6189:1-6253:0" dir="auto"> -<li data-sourcepos="6189:1-6191:0"> -<p data-sourcepos="6189:5-6190:71">A single <code>*</code> character <a href="@">can open emphasis</a> -iff (if and only if) it is part of a [left-flanking delimiter run].</p> -</li> -<li data-sourcepos="6192:1-6197:0"> -<p data-sourcepos="6192:5-6196:28">A single <code>_</code> character [can open emphasis] iff -it is part of a [left-flanking delimiter run] -and either (a) not part of a [right-flanking delimiter run] -or (b) part of a [right-flanking delimiter run] -preceded by punctuation.</p> -</li> -<li data-sourcepos="6198:1-6200:0"> -<p data-sourcepos="6198:5-6199:55">A single <code>*</code> character <a href="@">can close emphasis</a> -iff it is part of a [right-flanking delimiter run].</p> -</li> -<li data-sourcepos="6201:1-6206:0"> -<p data-sourcepos="6201:5-6205:28">A single <code>_</code> character [can close emphasis] iff -it is part of a [right-flanking delimiter run] -and either (a) not part of a [left-flanking delimiter run] -or (b) part of a [left-flanking delimiter run] -followed by punctuation.</p> -</li> -<li data-sourcepos="6207:1-6209:0"> -<p data-sourcepos="6207:5-6208:54">A double <code>**</code> <a href="@">can open strong emphasis</a> -iff it is part of a [left-flanking delimiter run].</p> -</li> -<li data-sourcepos="6210:1-6215:0"> -<p data-sourcepos="6210:5-6214:28">A double <code>__</code> [can open strong emphasis] iff -it is part of a [left-flanking delimiter run] -and either (a) not part of a [right-flanking delimiter run] -or (b) part of a [right-flanking delimiter run] -preceded by punctuation.</p> -</li> -<li data-sourcepos="6216:1-6218:0"> -<p data-sourcepos="6216:5-6217:55">A double <code>**</code> <a href="@">can close strong emphasis</a> -iff it is part of a [right-flanking delimiter run].</p> -</li> -<li data-sourcepos="6219:1-6224:0"> -<p data-sourcepos="6219:5-6223:28">A double <code>__</code> [can close strong emphasis] iff -it is part of a [right-flanking delimiter run] -and either (a) not part of a [left-flanking delimiter run] -or (b) part of a [left-flanking delimiter run] -followed by punctuation.</p> -</li> -<li data-sourcepos="6225:1-6234:0"> -<p data-sourcepos="6225:5-6233:19">Emphasis begins with a delimiter that [can open emphasis] and ends -with a delimiter that [can close emphasis], and that uses the same -character (<code>_</code> or <code>*</code>) as the opening delimiter. The -opening and closing delimiters must belong to separate -[delimiter runs]. If one of the delimiters can both -open and close emphasis, then the sum of the lengths of the -delimiter runs containing the opening and closing delimiters -must not be a multiple of 3 unless both lengths are -multiples of 3.</p> -</li> -<li data-sourcepos="6235:1-6245:0"> -<p data-sourcepos="6235:5-6244:23">Strong emphasis begins with a delimiter that -[can open strong emphasis] and ends with a delimiter that -[can close strong emphasis], and that uses the same character -(<code>_</code> or <code>*</code>) as the opening delimiter. The -opening and closing delimiters must belong to separate -[delimiter runs]. If one of the delimiters can both open -and close strong emphasis, then the sum of the lengths of -the delimiter runs containing the opening and closing -delimiters must not be a multiple of 3 unless both lengths -are multiples of 3.</p> -</li> -<li data-sourcepos="6246:1-6249:0"> -<p data-sourcepos="6246:5-6248:25">A literal <code>*</code> character cannot occur at the beginning or end of -<code>*</code>-delimited emphasis or <code>**</code>-delimited strong emphasis, unless it -is backslash-escaped.</p> -</li> -<li data-sourcepos="6250:1-6253:0"> -<p data-sourcepos="6250:5-6252:25">A literal <code>_</code> character cannot occur at the beginning or end of -<code>_</code>-delimited emphasis or <code>__</code>-delimited strong emphasis, unless it -is backslash-escaped.</p> -</li> -</ol> -<p data-sourcepos="6254:1-6255:43" dir="auto">Where rules 1--12 above are compatible with multiple parsings, -the following principles resolve ambiguity:</p> -<ol start="13" data-sourcepos="6257:1-6282:0" dir="auto"> -<li data-sourcepos="6257:1-6260:0"> -<p data-sourcepos="6257:5-6259:28">The number of nestings should be minimized. Thus, for example, -an interpretation <code><strong>...</strong></code> is always preferred to -<code><em><em>...</em></em></code>.</p> -</li> -<li data-sourcepos="6261:1-6263:0"> -<p data-sourcepos="6261:5-6262:49">An interpretation <code><em><strong>...</strong></em></code> is always -preferred to <code><strong><em>...</em></strong></code>.</p> -</li> -<li data-sourcepos="6264:1-6269:0"> -<p data-sourcepos="6264:5-6268:34">When two potential emphasis or strong emphasis spans overlap, -so that the second begins before the first ends and ends after -the first ends, the first takes precedence. Thus, for example, -<code>*foo _bar* baz_</code> is parsed as <code><em>foo _bar</em> baz_</code> rather -than <code>*foo <em>bar* baz</em></code>.</p> -</li> -<li data-sourcepos="6270:1-6275:0"> -<p data-sourcepos="6270:5-6274:49">When there are two potential emphasis or strong emphasis spans -with the same closing delimiter, the shorter one (the one that -opens later) takes precedence. Thus, for example, -<code>**foo **bar baz**</code> is parsed as <code>**foo <strong>bar baz</strong></code> -rather than <code><strong>foo **bar baz</strong></code>.</p> -</li> -<li data-sourcepos="6276:1-6282:0"> -<p data-sourcepos="6276:5-6281:26">Inline code spans, links, images, and HTML tags group more tightly -than emphasis. So, when there is a choice between an interpretation -that contains one of these elements and one that does not, the -former always wins. Thus, for example, <code>*[foo*](bar)</code> is -parsed as <code>*<a href="bar">foo*</a></code> rather than as -<code><em>[foo</em>](bar)</code>.</p> -</li> -</ol> -<p data-sourcepos="6283:1-6283:60" dir="auto">These rules can be illustrated through a series of examples.</p> -<p data-sourcepos="6285:1-6285:7" dir="auto">Rule 1:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6287:1-6291:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">*foo bar*</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><em>foo bar</em></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="6294:1-6295:66" dir="auto">This is not emphasis, because the opening <code>*</code> is followed by -whitespace, and hence not part of a [left-flanking delimiter run]:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6297:1-6301:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">a * foo bar*</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>a * foo bar*</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="6304:1-6306:44" dir="auto">This is not emphasis, because the opening <code>*</code> is preceded -by an alphanumeric and followed by punctuation, and hence -not part of a [left-flanking delimiter run]:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6308:1-6312:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">a*"foo"*</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>a*&quot;foo&quot;*</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="6315:1-6315:52" dir="auto">Unicode nonbreaking spaces count as whitespace, too:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6317:1-6321:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">* a *</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>* a *</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="6324:1-6324:41" dir="auto">Intraword emphasis with <code>*</code> is permitted:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6326:1-6330:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo*bar*</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>foo<em>bar</em></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6333:1-6337:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">5*6*78</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>5<em>6</em>78</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="6340:1-6340:7" dir="auto">Rule 2:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6342:1-6346:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">_foo bar_</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><em>foo bar</em></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="6349:1-6350:11" dir="auto">This is not emphasis, because the opening <code>_</code> is followed by -whitespace:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6352:1-6356:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">_ foo bar_</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>_ foo bar_</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="6359:1-6360:47" dir="auto">This is not emphasis, because the opening <code>_</code> is preceded -by an alphanumeric and followed by punctuation:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6362:1-6366:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">a_"foo"_</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>a_&quot;foo&quot;_</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="6369:1-6369:46" dir="auto">Emphasis with <code>_</code> is not allowed inside words:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6371:1-6375:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo_bar_</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>foo_bar_</p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6378:1-6382:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">5_6_78</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>5_6_78</p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6385:1-6389:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">пристаням_стремятся_</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>пристаням_стремятся_</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="6392:1-6393:47" dir="auto">Here <code>_</code> does not generate emphasis, because the first delimiter run -is right-flanking and the second left-flanking:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6395:1-6399:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">aa_"bb"_cc</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>aa_&quot;bb&quot;_cc</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="6402:1-6404:12" dir="auto">This is emphasis, even though the opening delimiter is -both left- and right-flanking, because it is preceded by -punctuation:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6406:1-6410:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo-_(bar)_</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>foo-<em>(bar)</em></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="6413:1-6413:7" dir="auto">Rule 3:</p> -<p data-sourcepos="6415:1-6416:32" dir="auto">This is not emphasis, because the closing delimiter does -not match the opening delimiter:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6418:1-6422:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">_foo*</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>_foo*</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="6425:1-6426:11" dir="auto">This is not emphasis, because the closing <code>*</code> is preceded by -whitespace:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6428:1-6432:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">*foo bar *</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>*foo bar *</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="6435:1-6435:36" dir="auto">A newline also counts as whitespace:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6437:1-6443:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">*foo bar</span> -<span id="LC2" class="line" lang="plaintext">*</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><p>*foo bar</span> -<span id="LC5" class="line" lang="plaintext">*</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="6446:1-6448:58" dir="auto">This is not emphasis, because the second <code>*</code> is -preceded by punctuation and followed by an alphanumeric -(hence it is not part of a [right-flanking delimiter run]:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6450:1-6454:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">*(*foo)</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>*(*foo)</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="6457:1-6458:18" dir="auto">The point of this restriction is more easily appreciated -with this example:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6460:1-6464:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">*(*foo*)*</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><em>(<em>foo</em>)</em></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="6467:1-6467:39" dir="auto">Intraword emphasis with <code>*</code> is allowed:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6469:1-6473:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">*foo*bar</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><em>foo</em>bar</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="6477:1-6477:7" dir="auto">Rule 4:</p> -<p data-sourcepos="6479:1-6480:11" dir="auto">This is not emphasis, because the closing <code>_</code> is preceded by -whitespace:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6482:1-6486:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">_foo bar _</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>_foo bar _</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="6489:1-6490:56" dir="auto">This is not emphasis, because the second <code>_</code> is -preceded by punctuation and followed by an alphanumeric:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6492:1-6496:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">_(_foo)</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>_(_foo)</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="6499:1-6499:33" dir="auto">This is emphasis within emphasis:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6501:1-6505:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">_(_foo_)_</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><em>(<em>foo</em>)</em></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="6508:1-6508:41" dir="auto">Intraword emphasis is disallowed for <code>_</code>:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6510:1-6514:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">_foo_bar</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>_foo_bar</p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6517:1-6521:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">_пристаням_стремятся</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>_пристаням_стремятся</p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6524:1-6528:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">_foo_bar_baz_</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><em>foo_bar_baz</em></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="6531:1-6533:12" dir="auto">This is emphasis, even though the closing delimiter is -both left- and right-flanking, because it is followed by -punctuation:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6535:1-6539:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">_(bar)_.</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><em>(bar)</em>.</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="6542:1-6542:7" dir="auto">Rule 5:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6544:1-6548:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">**foo bar**</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><strong>foo bar</strong></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="6551:1-6552:23" dir="auto">This is not strong emphasis, because the opening delimiter is -followed by whitespace:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6554:1-6558:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">** foo bar**</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>** foo bar**</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="6561:1-6563:44" dir="auto">This is not strong emphasis, because the opening <code>**</code> is preceded -by an alphanumeric and followed by punctuation, and hence -not part of a [left-flanking delimiter run]:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6565:1-6569:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">a**"foo"**</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>a**&quot;foo&quot;**</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="6572:1-6572:49" dir="auto">Intraword strong emphasis with <code>**</code> is permitted:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6574:1-6578:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo**bar**</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>foo<strong>bar</strong></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="6581:1-6581:7" dir="auto">Rule 6:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6583:1-6587:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">__foo bar__</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><strong>foo bar</strong></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="6590:1-6591:23" dir="auto">This is not strong emphasis, because the opening delimiter is -followed by whitespace:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6593:1-6597:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">__ foo bar__</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>__ foo bar__</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="6600:1-6600:31" dir="auto">A newline counts as whitespace:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6601:1-6607:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">__</span> -<span id="LC2" class="line" lang="plaintext">foo bar__</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><p>__</span> -<span id="LC5" class="line" lang="plaintext">foo bar__</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="6610:1-6611:47" dir="auto">This is not strong emphasis, because the opening <code>__</code> is preceded -by an alphanumeric and followed by punctuation:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6613:1-6617:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">a__"foo"__</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>a__&quot;foo&quot;__</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="6620:1-6620:49" dir="auto">Intraword strong emphasis is forbidden with <code>__</code>:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6622:1-6626:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo__bar__</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>foo__bar__</p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6629:1-6633:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">5__6__78</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>5__6__78</p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6636:1-6640:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">пристаням__стремятся__</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>пристаням__стремятся__</p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6643:1-6647:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">__foo, __bar__, baz__</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><strong>foo, <strong>bar</strong>, baz</strong></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="6650:1-6652:12" dir="auto">This is strong emphasis, even though the opening delimiter is -both left- and right-flanking, because it is preceded by -punctuation:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6654:1-6658:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo-__(bar)__</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>foo-<strong>(bar)</strong></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="6662:1-6662:7" dir="auto">Rule 7:</p> -<p data-sourcepos="6664:1-6665:14" dir="auto">This is not strong emphasis, because the closing delimiter is preceded -by whitespace:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6667:1-6671:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">**foo bar **</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>**foo bar **</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="6674:1-6675:9" dir="auto">(Nor can it be interpreted as an emphasized <code>*foo bar *</code>, because of -Rule 11.)</p> -<p data-sourcepos="6677:1-6678:56" dir="auto">This is not strong emphasis, because the second <code>**</code> is -preceded by punctuation and followed by an alphanumeric:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6680:1-6684:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">**(**foo)</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>**(**foo)</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="6687:1-6688:20" dir="auto">The point of this restriction is more easily appreciated -with these examples:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6690:1-6694:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">*(**foo**)*</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><em>(<strong>foo</strong>)</em></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6697:1-6703:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">**Gomphocarpus (*Gomphocarpus physocarpus*, syn.</span> -<span id="LC2" class="line" lang="plaintext">*Asclepias physocarpa*)**</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><p><strong>Gomphocarpus (<em>Gomphocarpus physocarpus</em>, syn.</span> -<span id="LC5" class="line" lang="plaintext"><em>Asclepias physocarpa</em>)</strong></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6706:1-6710:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">**foo "*bar*" foo**</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><strong>foo &quot;<em>bar</em>&quot; foo</strong></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="6713:1-6713:19" dir="auto">Intraword emphasis:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6715:1-6719:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">**foo**bar</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><strong>foo</strong>bar</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="6722:1-6722:7" dir="auto">Rule 8:</p> -<p data-sourcepos="6724:1-6725:23" dir="auto">This is not strong emphasis, because the closing delimiter is -preceded by whitespace:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6727:1-6731:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">__foo bar __</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>__foo bar __</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="6734:1-6735:56" dir="auto">This is not strong emphasis, because the second <code>__</code> is -preceded by punctuation and followed by an alphanumeric:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6737:1-6741:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">__(__foo)</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>__(__foo)</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="6744:1-6745:18" dir="auto">The point of this restriction is more easily appreciated -with this example:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6747:1-6751:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">_(__foo__)_</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><em>(<strong>foo</strong>)</em></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="6754:1-6754:49" dir="auto">Intraword strong emphasis is forbidden with <code>__</code>:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6756:1-6760:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">__foo__bar</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>__foo__bar</p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6763:1-6767:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">__пристаням__стремятся</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>__пристаням__стремятся</p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6770:1-6774:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">__foo__bar__baz__</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><strong>foo__bar__baz</strong></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="6777:1-6779:12" dir="auto">This is strong emphasis, even though the closing delimiter is -both left- and right-flanking, because it is followed by -punctuation:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6781:1-6785:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">__(bar)__.</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><strong>(bar)</strong>.</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="6788:1-6788:7" dir="auto">Rule 9:</p> -<p data-sourcepos="6790:1-6791:16" dir="auto">Any nonempty sequence of inline elements can be the contents of an -emphasized span.</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6793:1-6797:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">*foo [bar](/url)*</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><em>foo <a href="/url">bar</a></em></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6800:1-6806:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">*foo</span> -<span id="LC2" class="line" lang="plaintext">bar*</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><p><em>foo</span> -<span id="LC5" class="line" lang="plaintext">bar</em></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="6809:1-6810:16" dir="auto">In particular, emphasis and strong emphasis can be nested -inside emphasis:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6812:1-6816:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">_foo __bar__ baz_</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><em>foo <strong>bar</strong> baz</em></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6819:1-6823:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">_foo _bar_ baz_</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><em>foo <em>bar</em> baz</em></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6826:1-6830:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">__foo_ bar_</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><em><em>foo</em> bar</em></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6833:1-6837:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">*foo *bar**</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><em>foo <em>bar</em></em></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6840:1-6844:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">*foo **bar** baz*</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><em>foo <strong>bar</strong> baz</em></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6846:1-6850:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">*foo**bar**baz*</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><em>foo<strong>bar</strong>baz</em></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="6852:1-6852:51" dir="auto">Note that in the preceding case, the interpretation</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6854:1-6856:3" class="code highlight js-syntax-highlight language-markdown" lang="markdown" v-pre="true"><code><span id="LC1" class="line" lang="markdown"><span class="nt"><p><em></span>foo<span class="nt"></em><em></span>bar<span class="nt"><em></em></span>baz<span class="nt"></em></p></span></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="6859:1-6864:32" dir="auto">is precluded by the condition that a delimiter that -can both open and close (like the <code>*</code> after <code>foo</code>) -cannot form emphasis if the sum of the lengths of -the delimiter runs containing the opening and -closing delimiters is a multiple of 3 unless -both lengths are multiples of 3.</p> -<p data-sourcepos="6867:1-6868:34" dir="auto">For the same reason, we don't get two consecutive -emphasis sections in this example:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6870:1-6874:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">*foo**bar*</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><em>foo**bar</em></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="6877:1-6880:8" dir="auto">The same condition ensures that the following -cases are all strong emphasis nested inside -emphasis, even when the interior spaces are -omitted:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6883:1-6887:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">***foo** bar*</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><em><strong>foo</strong> bar</em></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6890:1-6894:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">*foo **bar***</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><em>foo <strong>bar</strong></em></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6897:1-6901:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">*foo**bar***</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><em>foo<strong>bar</strong></em></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="6904:1-6906:34" dir="auto">When the lengths of the interior closing and opening -delimiter runs are <em>both</em> multiples of 3, though, -they can match to create emphasis:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6908:1-6912:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo***bar***baz</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>foo<em><strong>bar</strong></em>baz</p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6914:1-6918:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo******bar*********baz</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>foo<strong><strong><strong>bar</strong></strong></strong>***baz</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="6921:1-6921:42" dir="auto">Indefinite levels of nesting are possible:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6923:1-6927:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">*foo **bar *baz* bim** bop*</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><em>foo <strong>bar <em>baz</em> bim</strong> bop</em></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6930:1-6934:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">*foo [*bar*](/url)*</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><em>foo <a href="/url"><em>bar</em></a></em></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="6937:1-6937:50" dir="auto">There can be no empty emphasis or strong emphasis:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6939:1-6943:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">** is not an empty emphasis</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>** is not an empty emphasis</p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6946:1-6950:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">**** is not an empty strong emphasis</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>**** is not an empty strong emphasis</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="6954:1-6954:8" dir="auto">Rule 10:</p> -<p data-sourcepos="6956:1-6957:25" dir="auto">Any nonempty sequence of inline elements can be the contents of an -strongly emphasized span.</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6959:1-6963:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">**foo [bar](/url)**</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><strong>foo <a href="/url">bar</a></strong></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6966:1-6972:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">**foo</span> -<span id="LC2" class="line" lang="plaintext">bar**</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><p><strong>foo</span> -<span id="LC5" class="line" lang="plaintext">bar</strong></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="6975:1-6976:23" dir="auto">In particular, emphasis and strong emphasis can be nested -inside strong emphasis:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6978:1-6982:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">__foo _bar_ baz__</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><strong>foo <em>bar</em> baz</strong></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6985:1-6989:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">__foo __bar__ baz__</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><strong>foo <strong>bar</strong> baz</strong></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6992:1-6996:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">____foo__ bar__</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><strong><strong>foo</strong> bar</strong></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="6999:1-7003:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">**foo **bar****</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><strong>foo <strong>bar</strong></strong></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7006:1-7010:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">**foo *bar* baz**</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><strong>foo <em>bar</em> baz</strong></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7013:1-7017:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">**foo*bar*baz**</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><strong>foo<em>bar</em>baz</strong></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7020:1-7024:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">***foo* bar**</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><strong><em>foo</em> bar</strong></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7027:1-7031:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">**foo *bar***</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><strong>foo <em>bar</em></strong></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="7034:1-7034:42" dir="auto">Indefinite levels of nesting are possible:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7036:1-7042:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">**foo *bar **baz**</span> -<span id="LC2" class="line" lang="plaintext">bim* bop**</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><p><strong>foo <em>bar <strong>baz</strong></span> -<span id="LC5" class="line" lang="plaintext">bim</em> bop</strong></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7045:1-7049:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">**foo [*bar*](/url)**</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><strong>foo <a href="/url"><em>bar</em></a></strong></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="7052:1-7052:50" dir="auto">There can be no empty emphasis or strong emphasis:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7054:1-7058:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">__ is not an empty emphasis</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>__ is not an empty emphasis</p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7061:1-7065:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">____ is not an empty strong emphasis</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>____ is not an empty strong emphasis</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="7069:1-7069:8" dir="auto">Rule 11:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7071:1-7075:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo ***</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>foo ***</p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7078:1-7082:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo *\**</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>foo <em>*</em></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7085:1-7089:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo *_*</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>foo <em>_</em></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7092:1-7096:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo *****</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>foo *****</p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7099:1-7103:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo **\***</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>foo <strong>*</strong></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7106:1-7110:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo **_**</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>foo <strong>_</strong></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="7113:1-7115:32" dir="auto">Note that when delimiters do not match evenly, Rule 11 determines -that the excess literal <code>*</code> characters will appear outside of the -emphasis, rather than inside it:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7117:1-7121:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">**foo*</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>*<em>foo</em></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7124:1-7128:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">*foo**</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><em>foo</em>*</p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7131:1-7135:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">***foo**</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>*<strong>foo</strong></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7138:1-7142:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">****foo*</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>***<em>foo</em></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7145:1-7149:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">**foo***</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><strong>foo</strong>*</p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7152:1-7156:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">*foo****</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><em>foo</em>***</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="7160:1-7160:8" dir="auto">Rule 12:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7162:1-7166:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo ___</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>foo ___</p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7169:1-7173:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo _\__</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>foo <em>_</em></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7176:1-7180:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo _*_</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>foo <em>*</em></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7183:1-7187:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo _____</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>foo _____</p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7190:1-7194:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo __\___</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>foo <strong>_</strong></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7197:1-7201:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo __*__</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>foo <strong>*</strong></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7204:1-7208:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">__foo_</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>_<em>foo</em></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="7211:1-7213:32" dir="auto">Note that when delimiters do not match evenly, Rule 12 determines -that the excess literal <code>_</code> characters will appear outside of the -emphasis, rather than inside it:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7215:1-7219:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">_foo__</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><em>foo</em>_</p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7222:1-7226:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">___foo__</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>_<strong>foo</strong></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7229:1-7233:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">____foo_</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>___<em>foo</em></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7236:1-7240:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">__foo___</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><strong>foo</strong>_</p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7243:1-7247:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">_foo____</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><em>foo</em>___</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="7250:1-7251:44" dir="auto">Rule 13 implies that if you want emphasis nested directly inside -emphasis, you must use different delimiters:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7253:1-7257:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">**foo**</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><strong>foo</strong></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7260:1-7264:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">*_foo_*</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><em><em>foo</em></em></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7267:1-7271:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">__foo__</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><strong>foo</strong></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7274:1-7278:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">_*foo*_</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><em><em>foo</em></em></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="7281:1-7282:21" dir="auto">However, strong emphasis within strong emphasis is possible without -switching delimiters:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7284:1-7288:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">****foo****</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><strong><strong>foo</strong></strong></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7291:1-7295:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">____foo____</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><strong><strong>foo</strong></strong></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="7299:1-7300:11" dir="auto">Rule 13 can be applied to arbitrarily long sequences of -delimiters:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7302:1-7306:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">******foo******</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><strong><strong><strong>foo</strong></strong></strong></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="7309:1-7309:8" dir="auto">Rule 14:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7311:1-7315:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">***foo***</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><em><strong>foo</strong></em></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7318:1-7322:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">_____foo_____</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><em><strong><strong>foo</strong></strong></em></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="7325:1-7325:8" dir="auto">Rule 15:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7327:1-7331:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">*foo _bar* baz_</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><em>foo _bar</em> baz_</p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7334:1-7338:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">*foo __bar *baz bim__ bam*</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><em>foo <strong>bar *baz bim</strong> bam</em></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="7341:1-7341:8" dir="auto">Rule 16:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7343:1-7347:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">**foo **bar baz**</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>**foo <strong>bar baz</strong></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7350:1-7354:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">*foo *bar baz*</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>*foo <em>bar baz</em></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="7357:1-7357:8" dir="auto">Rule 17:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7359:1-7363:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">*[bar*](/url)</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>*<a href="/url">bar*</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7366:1-7370:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">_foo [bar_](/url)</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>_foo <a href="/url">bar_</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7373:1-7377:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">*<img src="foo" title="*"/></span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>*<img src="foo" title="*"/></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7380:1-7384:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">**<a href="**"></span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>**<a href="**"></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7387:1-7391:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">__<a href="__"></span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>__<a href="__"></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7394:1-7398:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">*a `*`*</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><em>a <code>*</code></em></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7401:1-7405:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">_a `_`_</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><em>a <code>_</code></em></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7408:1-7412:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">**a<http://foo.bar/?q=**></span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>**a<a href="http://foo.bar/?q=**">http://foo.bar/?q=**</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7415:1-7419:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">__a<http://foo.bar/?q=__></span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>__a<a href="http://foo.bar/?q=__">http://foo.bar/?q=__</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<div> -<h2 data-sourcepos="7424:1-7424:28"> -<a id="user-content-strikethrough-extension" class="anchor" href="#strikethrough-extension" aria-hidden="true"></a>Strikethrough (extension)</h2> -<p data-sourcepos="7426:1-7427:10">GFM enables the <code>strikethrough</code> extension, where an additional emphasis type is -available.</p> -<p data-sourcepos="7429:1-7429:59">Strikethrough text is any text wrapped in two tildes (<code>~</code>).</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7431:1-7435:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">~~Hi~~ Hello, world!</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><del>Hi</del> Hello, world!</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="7437:1-7438:17">As with regular emphasis delimiters, a new paragraph will cause strikethrough -parsing to cease:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7440:1-7447:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">This ~~has a</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">new paragraph~~.</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p>This ~~has a</p></span> -<span id="LC6" class="line" lang="plaintext"><p>new paragraph~~.</p></span></code></pre> -<copy-code></copy-code> -</div> -</div> -<h2 data-sourcepos="7451:1-7451:8" dir="auto"> -<a id="user-content-links" class="anchor" href="#links" aria-hidden="true"></a>Links</h2> -<p data-sourcepos="7453:1-7458:13" dir="auto">A link contains [link text] (the visible text), a [link destination] -(the URI that is the link destination), and optionally a [link title]. -There are two basic kinds of links in Markdown. In [inline links] the -destination and title are given immediately after the link text. In -[reference links] the destination and title are defined elsewhere in -the document.</p> -<p data-sourcepos="7460:1-7462:22" dir="auto">A <a href="@">link text</a> consists of a sequence of zero or more -inline elements enclosed by square brackets (<code>[</code> and <code>]</code>). The -following rules apply:</p> -<ul data-sourcepos="7464:1-7480:0" dir="auto"> -<li data-sourcepos="7464:1-7467:0"> -<p data-sourcepos="7464:3-7466:43">Links may not contain other links, at any level of nesting. If -multiple otherwise valid link definitions appear nested inside each -other, the inner-most definition is used.</p> -</li> -<li data-sourcepos="7468:1-7472:0"> -<p data-sourcepos="7468:3-7471:22">Brackets are allowed in the [link text] only if (a) they -are backslash-escaped or (b) they appear as a matched pair of brackets, -with an open bracket <code>[</code>, a sequence of zero or more inlines, and -a close bracket <code>]</code>.</p> -</li> -<li data-sourcepos="7473:1-7477:0"> -<p data-sourcepos="7473:3-7476:25">Backtick [code spans], [autolinks], and raw [HTML tags] bind more tightly -than the brackets in link text. Thus, for example, -<code>[foo`]`</code> could not be a link text, since the second <code>]</code> -is part of a code span.</p> -</li> -<li data-sourcepos="7478:1-7480:0"> -<p data-sourcepos="7478:3-7479:78">The brackets in link text bind more tightly than markers for -[emphasis and strong emphasis]. Thus, for example, <code>*[foo*](url)</code> is a link.</p> -</li> -</ul> -<p data-sourcepos="7481:1-7481:42" dir="auto">A <a href="@">link destination</a> consists of either</p> -<ul data-sourcepos="7483:1-7494:0" dir="auto"> -<li data-sourcepos="7483:1-7486:0"> -<p data-sourcepos="7483:3-7485:27">a sequence of zero or more characters between an opening <code><</code> and a -closing <code>></code> that contains no line breaks or unescaped -<code><</code> or <code>></code> characters, or</p> -</li> -<li data-sourcepos="7487:1-7494:0"> -<p data-sourcepos="7487:3-7493:23">a nonempty sequence of characters that does not start with -<code><</code>, does not include ASCII space or control characters, and -includes parentheses only if (a) they are backslash-escaped or -(b) they are part of a balanced pair of unescaped parentheses. -(Implementations may impose limits on parentheses nesting to -avoid performance issues, but at least three levels of nesting -should be supported.)</p> -</li> -</ul> -<p data-sourcepos="7495:1-7495:37" dir="auto">A <a href="@">link title</a> consists of either</p> -<ul data-sourcepos="7497:1-7508:0" dir="auto"> -<li data-sourcepos="7497:1-7500:0"> -<p data-sourcepos="7497:3-7499:23">a sequence of zero or more characters between straight double-quote -characters (<code>"</code>), including a <code>"</code> character only if it is -backslash-escaped, or</p> -</li> -<li data-sourcepos="7501:1-7504:0"> -<p data-sourcepos="7501:3-7503:23">a sequence of zero or more characters between straight single-quote -characters (<code>'</code>), including a <code>'</code> character only if it is -backslash-escaped, or</p> -</li> -<li data-sourcepos="7505:1-7508:0"> -<p data-sourcepos="7505:3-7507:20">a sequence of zero or more characters between matching parentheses -(<code>(...)</code>), including a <code>(</code> or <code>)</code> character only if it is -backslash-escaped.</p> -</li> -</ul> -<p data-sourcepos="7509:1-7510:15" dir="auto">Although [link titles] may span multiple lines, they may not contain -a [blank line].</p> -<p data-sourcepos="7512:1-7522:6" dir="auto">An <a href="@">inline link</a> consists of a [link text] followed immediately -by a left parenthesis <code>(</code>, optional [whitespace], an optional -[link destination], an optional [link title] separated from the link -destination by [whitespace], optional [whitespace], and a right -parenthesis <code>)</code>. The link's text consists of the inlines contained -in the [link text] (excluding the enclosing square brackets). -The link's URI consists of the link destination, excluding enclosing -<code><...></code> if present, with backslash-escapes in effect as described -above. The link's title consists of the link title, excluding its -enclosing delimiters, with backslash-escapes in effect as described -above.</p> -<p data-sourcepos="7524:1-7524:29" dir="auto">Here is a simple inline link:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7526:1-7530:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[link](/uri "title")</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><a href="/uri" title="title">link</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="7533:1-7533:25" dir="auto">The title may be omitted:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7535:1-7539:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[link](/uri)</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><a href="/uri">link</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="7542:1-7542:50" dir="auto">Both the title and the destination may be omitted:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7544:1-7548:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[link]()</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><a href="">link</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7551:1-7555:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[link](<>)</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><a href="">link</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="7557:1-7558:28" dir="auto">The destination can only contain spaces if it is -enclosed in pointy brackets:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7560:1-7564:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[link](/my uri)</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>[link](/my uri)</p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7566:1-7570:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[link](</my uri>)</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><a href="/my%20uri">link</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="7572:1-7573:36" dir="auto">The destination cannot contain line breaks, -even if enclosed in pointy brackets:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7575:1-7581:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[link](foo</span> -<span id="LC2" class="line" lang="plaintext">bar)</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><p>[link](foo</span> -<span id="LC5" class="line" lang="plaintext">bar)</p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7583:1-7589:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[link](<foo</span> -<span id="LC2" class="line" lang="plaintext">bar>)</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><p>[link](<foo</span> -<span id="LC5" class="line" lang="plaintext">bar>)</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="7591:1-7592:19" dir="auto">The destination can contain <code>)</code> if it is enclosed -in pointy brackets:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7594:1-7598:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[a](<b)c>)</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><a href="b)c">a</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="7600:1-7600:53" dir="auto">Pointy brackets that enclose links must be unescaped:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7602:1-7606:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[link](<foo\>)</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>[link](&lt;foo&gt;)</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="7608:1-7609:24" dir="auto">These are not links, because the opening pointy bracket -is not matched properly:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7611:1-7619:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[a](<b)c</span> -<span id="LC2" class="line" lang="plaintext">[a](<b)c></span> -<span id="LC3" class="line" lang="plaintext">[a](<b>c)</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p>[a](&lt;b)c</span> -<span id="LC6" class="line" lang="plaintext">[a](&lt;b)c&gt;</span> -<span id="LC7" class="line" lang="plaintext">[a](<b>c)</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="7621:1-7621:55" dir="auto">Parentheses inside the link destination may be escaped:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7623:1-7627:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[link](\(foo\))</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><a href="(foo)">link</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="7629:1-7630:9" dir="auto">Any number of parentheses are allowed without escaping, as long as they are -balanced:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7632:1-7636:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[link](foo(and(bar)))</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><a href="foo(and(bar))">link</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="7638:1-7639:13" dir="auto">However, if you have unbalanced parentheses, you need to escape or use the -<code><...></code> form:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7641:1-7645:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[link](foo\(and\(bar\))</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><a href="foo(and(bar)">link</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7648:1-7652:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[link](<foo(and(bar)>)</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><a href="foo(and(bar)">link</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="7655:1-7656:12" dir="auto">Parentheses and other symbols can also be escaped, as usual -in Markdown:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7658:1-7662:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[link](foo\)\:)</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><a href="foo):">link</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="7665:1-7665:52" dir="auto">A link can contain fragment identifiers and queries:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7667:1-7677:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[link](#fragment)</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">[link](http://example.com#fragment)</span> -<span id="LC4" class="line" lang="plaintext"></span> -<span id="LC5" class="line" lang="plaintext">[link](http://example.com?foo=3#frag)</span> -<span id="LC6" class="line" lang="plaintext">.</span> -<span id="LC7" class="line" lang="plaintext"><p><a href="#fragment">link</a></p></span> -<span id="LC8" class="line" lang="plaintext"><p><a href="http://example.com#fragment">link</a></p></span> -<span id="LC9" class="line" lang="plaintext"><p><a href="http://example.com?foo=3#frag">link</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="7680:1-7681:17" dir="auto">Note that a backslash before a non-escapable character is -just a backslash:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7683:1-7687:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[link](foo\bar)</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><a href="foo%5Cbar">link</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="7690:1-7697:52" dir="auto">URL-escaping should be left alone inside the destination, as all -URL-escaped characters are also valid URL characters. Entity and -numerical character references in the destination will be parsed -into the corresponding Unicode code points, as usual. These may -be optionally URL-escaped when written as HTML, but this spec -does not enforce any particular policy for rendering URLs in -HTML or other formats. Renderers may make different decisions -about how to escape or normalize URLs in the output.</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7699:1-7703:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[link](foo%20b&auml;)</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><a href="foo%20b%C3%A4">link</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="7706:1-7708:23" dir="auto">Note that, because titles can often be parsed as destinations, -if you try to omit the destination and keep the title, you'll -get unexpected results:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7710:1-7714:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[link]("title")</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><a href="%22title%22">link</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="7717:1-7717:62" dir="auto">Titles may be in single quotes, double quotes, or parentheses:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7719:1-7727:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[link](/url "title")</span> -<span id="LC2" class="line" lang="plaintext">[link](/url 'title')</span> -<span id="LC3" class="line" lang="plaintext">[link](/url (title))</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p><a href="/url" title="title">link</a></span> -<span id="LC6" class="line" lang="plaintext"><a href="/url" title="title">link</a></span> -<span id="LC7" class="line" lang="plaintext"><a href="/url" title="title">link</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="7730:1-7731:22" dir="auto">Backslash escapes and entity and numeric character references -may be used in titles:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7733:1-7737:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[link](/url "title \"&quot;")</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><a href="/url" title="title &quot;&quot;">link</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="7740:1-7741:64" dir="auto">Titles must be separated from the link using a [whitespace]. -Other [Unicode whitespace] like non-breaking space doesn't work.</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7743:1-7747:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[link](/url "title")</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><a href="/url%C2%A0%22title%22">link</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="7750:1-7750:56" dir="auto">Nested balanced quotes are not allowed without escaping:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7752:1-7756:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[link](/url "title "and" title")</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>[link](/url &quot;title &quot;and&quot; title&quot;)</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="7759:1-7759:67" dir="auto">But it is easy to work around this by using a different quote type:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7761:1-7765:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[link](/url 'title "and" title')</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><a href="/url" title="title &quot;and&quot; title">link</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="7768:1-7781:61" dir="auto">(Note: <code>Markdown.pl</code> did allow double quotes inside a double-quoted -title, and its test suite included a test demonstrating this. -But it is hard to see a good rationale for the extra complexity this -brings, since there are already many ways---backslash escaping, -entity and numeric character references, or using a different -quote type for the enclosing title---to write titles containing -double quotes. <code>Markdown.pl</code>'s handling of titles has a number -of other strange features. For example, it allows single-quoted -titles in inline links, but not reference links. And, in -reference links but not inline links, it allows a title to begin -with <code>"</code> and end with <code>)</code>. <code>Markdown.pl</code> 1.0.1 even allows -titles with no closing quotation mark, though 1.0.2b8 does not. -It seems preferable to adopt a simple, rational rule that works -the same way in inline links and link reference definitions.)</p> -<p data-sourcepos="7783:1-7783:57" dir="auto">[Whitespace] is allowed around the destination and title:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7785:1-7790:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[link]( /uri</span> -<span id="LC2" class="line" lang="plaintext"> "title" )</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><p><a href="/uri" title="title">link</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="7793:1-7794:22" dir="auto">But it is not allowed between the link text and the -following parenthesis:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7796:1-7800:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[link] (/uri)</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>[link] (/uri)</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="7803:1-7804:24" dir="auto">The link text may contain balanced brackets, but not unbalanced ones, -unless they are escaped:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7806:1-7810:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[link [foo [bar]]](/uri)</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><a href="/uri">link [foo [bar]]</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7813:1-7817:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[link] bar](/uri)</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>[link] bar](/uri)</p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7820:1-7824:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[link [bar](/uri)</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>[link <a href="/uri">bar</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7827:1-7831:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[link \[bar](/uri)</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><a href="/uri">link [bar</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="7834:1-7834:41" dir="auto">The link text may contain inline content:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7836:1-7840:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[link *foo **bar** `#`*](/uri)</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><a href="/uri">link <em>foo <strong>bar</strong> <code>#</code></em></a></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7843:1-7847:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[](/uri)</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><a href="/uri"><img src="moon.jpg" alt="moon" /></a></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="7850:1-7850:68" dir="auto">However, links may not contain other links, at any level of nesting.</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7852:1-7856:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo [bar](/uri)](/uri)</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>[foo <a href="/uri">bar</a>](/uri)</p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7859:1-7863:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo *[bar [baz](/uri)](/uri)*](/uri)</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>[foo <em>[bar <a href="/uri">baz</a>](/uri)</em>](/uri)</p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7866:1-7870:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">](uri2)](uri3)</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><img src="uri3" alt="[foo](uri2)" /></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="7873:1-7874:18" dir="auto">These cases illustrate the precedence of link text grouping over -emphasis grouping:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7876:1-7880:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">*[foo*](/uri)</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>*<a href="/uri">foo*</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7883:1-7887:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo *bar](baz*)</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><a href="baz*">foo *bar</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="7890:1-7891:11" dir="auto">Note that brackets that <em>aren't</em> part of links do not take -precedence:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7893:1-7897:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">*foo [bar* baz]</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><em>foo [bar</em> baz]</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="7900:1-7901:33" dir="auto">These cases illustrate the precedence of HTML tags, code spans, -and autolinks over link grouping:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7903:1-7907:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo <bar attr="](baz)"></span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>[foo <bar attr="](baz)"></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7910:1-7914:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo`](/uri)`</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>[foo<code>](/uri)</code></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7917:1-7921:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo<http://example.com/?search=](uri)></span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>[foo<a href="http://example.com/?search=%5D(uri)">http://example.com/?search=](uri)</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="7924:1-7926:41" dir="auto">There are three kinds of <a href="@">reference link</a>s: -<a href="#full-reference-link">full</a>, <a href="#collapsed-reference-link">collapsed</a>, -and <a href="#shortcut-reference-link">shortcut</a>.</p> -<p data-sourcepos="7928:1-7930:71" dir="auto">A <a href="@">full reference link</a> -consists of a [link text] immediately followed by a [link label] -that [matches] a [link reference definition] elsewhere in the document.</p> -<p data-sourcepos="7932:1-7938:9" dir="auto">A <a href="@">link label</a> begins with a left bracket (<code>[</code>) and ends -with the first right bracket (<code>]</code>) that is not backslash-escaped. -Between these brackets there must be at least one [non-whitespace character]. -Unescaped square bracket characters are not allowed inside the -opening and closing square brackets of [link labels]. A link -label can have at most 999 characters inside the square -brackets.</p> -<p data-sourcepos="7940:1-7947:69" dir="auto">One label <a href="@">matches</a> -another just in case their normalized forms are equal. To normalize a -label, strip off the opening and closing brackets, -perform the <em>Unicode case fold</em>, strip leading and trailing -[whitespace] and collapse consecutive internal -[whitespace] to a single space. If there are multiple -matching reference link definitions, the one that comes first in the -document is used. (It is desirable in such cases to emit a warning.)</p> -<p data-sourcepos="7949:1-7951:37" dir="auto">The contents of the first link label are parsed as inlines, which are -used as the link's text. The link's URI and title are provided by the -matching [link reference definition].</p> -<p data-sourcepos="7953:1-7953:25" dir="auto">Here is a simple example:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7955:1-7961:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo][bar]</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">[bar]: /url "title"</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p><a href="/url" title="title">foo</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="7964:1-7965:22" dir="auto">The rules for the [link text] are the same as with -[inline links]. Thus:</p> -<p data-sourcepos="7967:1-7968:24" dir="auto">The link text may contain balanced brackets, but not unbalanced ones, -unless they are escaped:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7970:1-7976:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[link [foo [bar]]][ref]</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">[ref]: /uri</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p><a href="/uri">link [foo [bar]]</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7979:1-7985:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[link \[bar][ref]</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">[ref]: /uri</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p><a href="/uri">link [bar</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="7988:1-7988:41" dir="auto">The link text may contain inline content:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7990:1-7996:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[link *foo **bar** `#`*][ref]</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">[ref]: /uri</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p><a href="/uri">link <em>foo <strong>bar</strong> <code>#</code></em></a></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="7999:1-8005:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[][ref]</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">[ref]: /uri</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p><a href="/uri"><img src="moon.jpg" alt="moon" /></a></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="8008:1-8008:68" dir="auto">However, links may not contain other links, at any level of nesting.</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8010:1-8016:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo [bar](/uri)][ref]</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">[ref]: /uri</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p>[foo <a href="/uri">bar</a>]<a href="/uri">ref</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8019:1-8025:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo *bar [baz][ref]*][ref]</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">[ref]: /uri</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p>[foo <em>bar <a href="/uri">baz</a></em>]<a href="/uri">ref</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="8028:1-8029:38" dir="auto">(In the examples above, we have two [shortcut reference links] -instead of one [full reference link].)</p> -<p data-sourcepos="8031:1-8032:18" dir="auto">The following cases illustrate the precedence of link text grouping over -emphasis grouping:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8034:1-8040:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">*[foo*][ref]</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">[ref]: /uri</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p>*<a href="/uri">foo*</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8043:1-8049:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo *bar][ref]</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">[ref]: /uri</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p><a href="/uri">foo *bar</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="8052:1-8053:33" dir="auto">These cases illustrate the precedence of HTML tags, code spans, -and autolinks over link grouping:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8055:1-8061:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo <bar attr="][ref]"></span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">[ref]: /uri</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p>[foo <bar attr="][ref]"></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8064:1-8070:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo`][ref]`</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">[ref]: /uri</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p>[foo<code>][ref]</code></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8073:1-8079:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo<http://example.com/?search=][ref]></span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">[ref]: /uri</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p>[foo<a href="http://example.com/?search=%5D%5Bref%5D">http://example.com/?search=][ref]</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="8082:1-8082:29" dir="auto">Matching is case-insensitive:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8084:1-8090:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo][BaR]</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">[bar]: /url "title"</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p><a href="/url" title="title">foo</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="8093:1-8093:26" dir="auto">Unicode case fold is used:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8095:1-8101:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[Толпой][Толпой] is a Russian word.</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">[ТОЛПОЙ]: /url</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p><a href="/url">Толпой</a> is a Russian word.</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="8104:1-8105:33" dir="auto">Consecutive internal [whitespace] is treated as one space for -purposes of determining matching:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8107:1-8114:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[Foo</span> -<span id="LC2" class="line" lang="plaintext"> bar]: /url</span> -<span id="LC3" class="line" lang="plaintext"></span> -<span id="LC4" class="line" lang="plaintext">[Baz][Foo bar]</span> -<span id="LC5" class="line" lang="plaintext">.</span> -<span id="LC6" class="line" lang="plaintext"><p><a href="/url">Baz</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="8117:1-8118:13" dir="auto">No [whitespace] is allowed between the [link text] and the -[link label]:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8120:1-8126:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo] [bar]</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">[bar]: /url "title"</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p>[foo] <a href="/url" title="title">bar</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8129:1-8137:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo]</span> -<span id="LC2" class="line" lang="plaintext">[bar]</span> -<span id="LC3" class="line" lang="plaintext"></span> -<span id="LC4" class="line" lang="plaintext">[bar]: /url "title"</span> -<span id="LC5" class="line" lang="plaintext">.</span> -<span id="LC6" class="line" lang="plaintext"><p>[foo]</span> -<span id="LC7" class="line" lang="plaintext"><a href="/url" title="title">bar</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="8140:1-8149:9" dir="auto">This is a departure from John Gruber's original Markdown syntax -description, which explicitly allows whitespace between the link -text and the link label. It brings reference links in line with -[inline links], which (according to both original Markdown and -this spec) cannot have whitespace after the link text. More -importantly, it prevents inadvertent capture of consecutive -[shortcut reference links]. If whitespace is allowed between the -link text and the link label, then in the following we will have -a single reference link, not two shortcut reference links, as -intended:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8151:1-8157:3" class="code highlight js-syntax-highlight language-markdown" lang="markdown" v-pre="true"><code><span id="LC1" class="line" lang="markdown">[foo]</span> -<span id="LC2" class="line" lang="markdown">[bar]</span> -<span id="LC3" class="line" lang="markdown"></span> -<span id="LC4" class="line" lang="markdown"><span class="p">[</span><span class="ss">foo</span><span class="p">]:</span> <span class="sx">/url1</span></span> -<span id="LC5" class="line" lang="markdown"><span class="p">[</span><span class="ss">bar</span><span class="p">]:</span> <span class="sx">/url2</span></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="8159:1-8165:20" dir="auto">(Note that [shortcut reference links] were introduced by Gruber -himself in a beta version of <code>Markdown.pl</code>, but never included -in the official syntax description. Without shortcut reference -links, it is harmless to allow space between the link text and -link label; but once shortcut references are introduced, it is -too dangerous to allow this, as it frequently leads to -unintended results.)</p> -<p data-sourcepos="8167:1-8168:18" dir="auto">When there are multiple matching [link reference definitions], -the first is used:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8170:1-8178:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo]: /url1</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">[foo]: /url2</span> -<span id="LC4" class="line" lang="plaintext"></span> -<span id="LC5" class="line" lang="plaintext">[bar][foo]</span> -<span id="LC6" class="line" lang="plaintext">.</span> -<span id="LC7" class="line" lang="plaintext"><p><a href="/url1">bar</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="8181:1-8183:40" dir="auto">Note that matching is performed on normalized strings, not parsed -inline content. So the following does not match, even though the -labels define equivalent inline content:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8185:1-8191:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[bar][foo\!]</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">[foo!]: /url</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p>[bar][foo!]</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="8194:1-8195:18" dir="auto">[Link labels] cannot contain brackets, unless they are -backslash-escaped:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8197:1-8204:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo][ref[]</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">[ref[]: /uri</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p>[foo][ref[]</p></span> -<span id="LC6" class="line" lang="plaintext"><p>[ref[]: /uri</p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8207:1-8214:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo][ref[bar]]</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">[ref[bar]]: /uri</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p>[foo][ref[bar]]</p></span> -<span id="LC6" class="line" lang="plaintext"><p>[ref[bar]]: /uri</p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8217:1-8224:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[[[foo]]]</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">[[[foo]]]: /url</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p>[[[foo]]]</p></span> -<span id="LC6" class="line" lang="plaintext"><p>[[[foo]]]: /url</p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8227:1-8233:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo][ref\[]</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">[ref\[]: /uri</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p><a href="/uri">foo</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="8236:1-8236:55" dir="auto">Note that in this example <code>]</code> is not backslash-escaped:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8238:1-8244:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[bar\\]: /uri</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">[bar\\]</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p><a href="/uri">bar\</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="8247:1-8247:68" dir="auto">A [link label] must contain at least one [non-whitespace character]:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8249:1-8256:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[]</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">[]: /uri</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p>[]</p></span> -<span id="LC6" class="line" lang="plaintext"><p>[]: /uri</p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8259:1-8270:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[</span> -<span id="LC2" class="line" lang="plaintext"> ]</span> -<span id="LC3" class="line" lang="plaintext"></span> -<span id="LC4" class="line" lang="plaintext">[</span> -<span id="LC5" class="line" lang="plaintext"> ]: /uri</span> -<span id="LC6" class="line" lang="plaintext">.</span> -<span id="LC7" class="line" lang="plaintext"><p>[</span> -<span id="LC8" class="line" lang="plaintext">]</p></span> -<span id="LC9" class="line" lang="plaintext"><p>[</span> -<span id="LC10" class="line" lang="plaintext">]: /uri</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="8273:1-8280:40" dir="auto">A <a href="@">collapsed reference link</a> -consists of a [link label] that [matches] a -[link reference definition] elsewhere in the -document, followed by the string <code>[]</code>. -The contents of the first link label are parsed as inlines, -which are used as the link's text. The link's URI and title are -provided by the matching reference link definition. Thus, -<code>[foo][]</code> is equivalent to <code>[foo][foo]</code>.</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8282:1-8288:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo][]</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">[foo]: /url "title"</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p><a href="/url" title="title">foo</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8291:1-8297:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[*foo* bar][]</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">[*foo* bar]: /url "title"</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p><a href="/url" title="title"><em>foo</em> bar</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="8300:1-8300:37" dir="auto">The link labels are case-insensitive:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8302:1-8308:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[Foo][]</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">[foo]: /url "title"</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p><a href="/url" title="title">Foo</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="8312:1-8313:41" dir="auto">As with full reference links, [whitespace] is not -allowed between the two sets of brackets:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8315:1-8323:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo] </span> -<span id="LC2" class="line" lang="plaintext">[]</span> -<span id="LC3" class="line" lang="plaintext"></span> -<span id="LC4" class="line" lang="plaintext">[foo]: /url "title"</span> -<span id="LC5" class="line" lang="plaintext">.</span> -<span id="LC6" class="line" lang="plaintext"><p><a href="/url" title="title">foo</a></span> -<span id="LC7" class="line" lang="plaintext">[]</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="8326:1-8333:41" dir="auto">A <a href="@">shortcut reference link</a> -consists of a [link label] that [matches] a -[link reference definition] elsewhere in the -document and is not followed by <code>[]</code> or a link label. -The contents of the first link label are parsed as inlines, -which are used as the link's text. The link's URI and title -are provided by the matching link reference definition. -Thus, <code>[foo]</code> is equivalent to <code>[foo][]</code>.</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8335:1-8341:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo]</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">[foo]: /url "title"</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p><a href="/url" title="title">foo</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8344:1-8350:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[*foo* bar]</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">[*foo* bar]: /url "title"</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p><a href="/url" title="title"><em>foo</em> bar</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8353:1-8359:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[[*foo* bar]]</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">[*foo* bar]: /url "title"</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p>[<a href="/url" title="title"><em>foo</em> bar</a>]</p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8362:1-8368:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[[bar [foo]</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">[foo]: /url</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p>[[bar <a href="/url">foo</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="8371:1-8371:37" dir="auto">The link labels are case-insensitive:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8373:1-8379:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[Foo]</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">[foo]: /url "title"</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p><a href="/url" title="title">Foo</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="8382:1-8382:48" dir="auto">A space after the link text should be preserved:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8384:1-8390:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo] bar</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">[foo]: /url</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p><a href="/url">foo</a> bar</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="8393:1-8394:31" dir="auto">If you just want bracketed text, you can backslash-escape the -opening bracket to avoid links:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8396:1-8402:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">\[foo]</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">[foo]: /url "title"</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p>[foo]</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="8405:1-8406:26" dir="auto">Note that this is a link, because a link label ends with the first -following closing bracket:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8408:1-8414:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo*]: /url</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">*[foo*]</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p>*<a href="/url">foo*</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="8417:1-8418:11" dir="auto">Full and compact references take precedence over shortcut -references:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8420:1-8427:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo][bar]</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">[foo]: /url1</span> -<span id="LC4" class="line" lang="plaintext">[bar]: /url2</span> -<span id="LC5" class="line" lang="plaintext">.</span> -<span id="LC6" class="line" lang="plaintext"><p><a href="/url2">foo</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8429:1-8435:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo][]</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">[foo]: /url1</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p><a href="/url1">foo</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="8437:1-8437:34" dir="auto">Inline links also take precedence:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8439:1-8445:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo]()</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">[foo]: /url1</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p><a href="">foo</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8447:1-8453:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo](not a link)</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">[foo]: /url1</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p><a href="/url1">foo</a>(not a link)</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="8455:1-8456:23" dir="auto">In the following case <code>[bar][baz]</code> is parsed as a reference, -<code>[foo]</code> as normal text:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8458:1-8464:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo][bar][baz]</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">[baz]: /url</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p>[foo]<a href="/url">bar</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="8467:1-8468:19" dir="auto">Here, though, <code>[foo][bar]</code> is parsed as a reference, since -<code>[bar]</code> is defined:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8470:1-8477:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo][bar][baz]</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">[baz]: /url1</span> -<span id="LC4" class="line" lang="plaintext">[bar]: /url2</span> -<span id="LC5" class="line" lang="plaintext">.</span> -<span id="LC6" class="line" lang="plaintext"><p><a href="/url2">foo</a><a href="/url1">baz</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="8480:1-8481:65" dir="auto">Here <code>[foo]</code> is not parsed as a shortcut reference, because it -is followed by a link label (even though <code>[bar]</code> is not defined):</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8483:1-8490:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo][bar][baz]</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">[baz]: /url1</span> -<span id="LC4" class="line" lang="plaintext">[foo]: /url2</span> -<span id="LC5" class="line" lang="plaintext">.</span> -<span id="LC6" class="line" lang="plaintext"><p>[foo]<a href="/url1">bar</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<h2 data-sourcepos="8494:1-8494:9" dir="auto"> -<a id="user-content-images" class="anchor" href="#images" aria-hidden="true"></a>Images</h2> -<p data-sourcepos="8496:1-8504:55" dir="auto">Syntax for images is like the syntax for links, with one -difference. Instead of [link text], we have an -<a href="@">image description</a>. The rules for this are the -same as for [link text], except that (a) an -image description starts with <code></span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><img src="/url" alt="foo" title="title" /></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8513:1-8519:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">![foo *bar*]</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">[foo *bar*]: train.jpg "train & tracks"</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p><img src="train.jpg" alt="foo bar" title="train &amp; tracks" /></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8522:1-8526:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">](/url2)</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><img src="/url2" alt="foo bar" /></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8529:1-8533:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">](/url2)</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><img src="/url2" alt="foo bar" /></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="8536:1-8541:40" dir="auto">Though this spec is concerned with parsing, not rendering, it is -recommended that in rendering to HTML, only the plain string content -of the [image description] be used. Note that in -the above example, the alt attribute's value is <code>foo bar</code>, not <code>foo [bar](/url)</code> or <code>foo <a href="/url">bar</a></code>. Only the plain string -content is rendered, without formatting.</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8543:1-8549:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">![foo *bar*][]</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">[foo *bar*]: train.jpg "train & tracks"</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p><img src="train.jpg" alt="foo bar" title="train &amp; tracks" /></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8552:1-8558:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">![foo *bar*][foobar]</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">[FOOBAR]: train.jpg "train & tracks"</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p><img src="train.jpg" alt="foo bar" title="train &amp; tracks" /></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8561:1-8565:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"></span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><img src="train.jpg" alt="foo" /></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8568:1-8572:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">My </span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>My <img src="/path/to/train.jpg" alt="foo bar" title="title" /></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8575:1-8579:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"></span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><img src="url" alt="foo" /></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8582:1-8586:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"></span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><img src="/url" alt="" /></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="8589:1-8589:16" dir="auto">Reference-style:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8591:1-8597:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">![foo][bar]</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">[bar]: /url</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p><img src="/url" alt="foo" /></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8600:1-8606:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">![foo][bar]</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">[BAR]: /url</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p><img src="/url" alt="foo" /></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="8609:1-8609:10" dir="auto">Collapsed:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8611:1-8617:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">![foo][]</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">[foo]: /url "title"</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p><img src="/url" alt="foo" title="title" /></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8620:1-8626:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">![*foo* bar][]</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">[*foo* bar]: /url "title"</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p><img src="/url" alt="foo bar" title="title" /></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="8629:1-8629:32" dir="auto">The labels are case-insensitive:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8631:1-8637:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">![Foo][]</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">[foo]: /url "title"</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p><img src="/url" alt="Foo" title="title" /></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="8640:1-8641:33" dir="auto">As with reference links, [whitespace] is not allowed -between the two sets of brackets:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8643:1-8651:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">![foo] </span> -<span id="LC2" class="line" lang="plaintext">[]</span> -<span id="LC3" class="line" lang="plaintext"></span> -<span id="LC4" class="line" lang="plaintext">[foo]: /url "title"</span> -<span id="LC5" class="line" lang="plaintext">.</span> -<span id="LC6" class="line" lang="plaintext"><p><img src="/url" alt="foo" title="title" /></span> -<span id="LC7" class="line" lang="plaintext">[]</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="8654:1-8654:9" dir="auto">Shortcut:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8656:1-8662:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">![foo]</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">[foo]: /url "title"</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p><img src="/url" alt="foo" title="title" /></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8665:1-8671:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">![*foo* bar]</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">[*foo* bar]: /url "title"</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p><img src="/url" alt="foo bar" title="title" /></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="8674:1-8674:56" dir="auto">Note that link labels cannot contain unescaped brackets:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8676:1-8683:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">![[foo]]</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">[[foo]]: /url "title"</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p>![[foo]]</p></span> -<span id="LC6" class="line" lang="plaintext"><p>[[foo]]: /url &quot;title&quot;</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="8686:1-8686:37" dir="auto">The link labels are case-insensitive:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8688:1-8694:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">![Foo]</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">[foo]: /url "title"</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p><img src="/url" alt="Foo" title="title" /></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="8697:1-8698:33" dir="auto">If you just want a literal <code>!</code> followed by bracketed text, you can -backslash-escape the opening <code>[</code>:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8700:1-8706:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">!\[foo]</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">[foo]: /url "title"</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p>![foo]</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="8709:1-8710:4" dir="auto">If you want a link after a literal <code>!</code>, backslash-escape the -<code>!</code>:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8712:1-8718:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">\![foo]</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">[foo]: /url "title"</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p>!<a href="/url" title="title">foo</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<h2 data-sourcepos="8721:1-8721:12" dir="auto"> -<a id="user-content-autolinks" class="anchor" href="#autolinks" aria-hidden="true"></a>Autolinks</h2> -<p data-sourcepos="8723:1-8725:18" dir="auto"><a href="@">Autolink</a>s are absolute URIs and email addresses inside -<code><</code> and <code>></code>. They are parsed as links, with the URL or email address -as the link label.</p> -<p data-sourcepos="8727:1-8729:52" dir="auto">A <a href="@">URI autolink</a> consists of <code><</code>, followed by an -[absolute URI] followed by <code>></code>. It is parsed as -a link to the URI, with the URI as the link's label.</p> -<p data-sourcepos="8731:1-8736:25" dir="auto">An <a href="@">absolute URI</a>, -for these purposes, consists of a [scheme] followed by a colon (<code>:</code>) -followed by zero or more characters other than ASCII -[whitespace] and control characters, <code><</code>, and <code>></code>. If -the URI includes these characters, they must be percent-encoded -(e.g. <code>%20</code> for a space).</p> -<p data-sourcepos="8738:1-8741:37" dir="auto">For purposes of this spec, a <a href="@">scheme</a> is any sequence -of 2--32 characters beginning with an ASCII letter and followed -by any combination of ASCII letters, digits, or the symbols plus -("+"), period ("."), or hyphen ("-").</p> -<p data-sourcepos="8743:1-8743:30" dir="auto">Here are some valid autolinks:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8745:1-8749:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><http://foo.bar.baz></span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><a href="http://foo.bar.baz">http://foo.bar.baz</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8752:1-8756:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><http://foo.bar.baz/test?q=hello&id=22&boolean></span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><a href="http://foo.bar.baz/test?q=hello&amp;id=22&amp;boolean">http://foo.bar.baz/test?q=hello&amp;id=22&amp;boolean</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8759:1-8763:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><irc://foo.bar:2233/baz></span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><a href="irc://foo.bar:2233/baz">irc://foo.bar:2233/baz</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="8766:1-8766:23" dir="auto">Uppercase is also fine:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8768:1-8772:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><MAILTO:FOO@BAR.BAZ></span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><a href="MAILTO:FOO@BAR.BAZ">MAILTO:FOO@BAR.BAZ</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="8775:1-8778:18" dir="auto">Note that many strings that count as [absolute URIs] for -purposes of this spec are not valid URIs, because their -schemes are not registered or because of other problems -with their syntax:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8780:1-8784:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><a+b+c:d></span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><a href="a+b+c:d">a+b+c:d</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8787:1-8791:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><made-up-scheme://foo,bar></span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><a href="made-up-scheme://foo,bar">made-up-scheme://foo,bar</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8794:1-8798:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><http://../></span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><a href="http://../">http://../</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8801:1-8805:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><localhost:5001/foo></span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><a href="localhost:5001/foo">localhost:5001/foo</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="8808:1-8808:36" dir="auto">Spaces are not allowed in autolinks:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8810:1-8814:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><http://foo.bar/baz bim></span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>&lt;http://foo.bar/baz bim&gt;</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="8817:1-8817:47" dir="auto">Backslash-escapes do not work inside autolinks:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8819:1-8823:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><http://example.com/\[\></span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><a href="http://example.com/%5C%5B%5C">http://example.com/\[\</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="8826:1-8829:55" dir="auto">An <a href="@">email autolink</a> -consists of <code><</code>, followed by an [email address], -followed by <code>></code>. The link's label is the email address, -and the URL is <code>mailto:</code> followed by the email address.</p> -<p data-sourcepos="8831:1-8834:83" dir="auto">An <a href="@">email address</a>, -for these purposes, is anything that matches -the <a href="https://html.spec.whatwg.org/multipage/forms.html#e-mail-state-(type=email)" rel="nofollow noreferrer noopener" target="_blank">non-normative regex from the HTML5 -spec</a>:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8836:5-8838:0" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">/^[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?</span> -<span id="LC2" class="line" lang="plaintext">(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$/</span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="8839:1-8839:28" dir="auto">Examples of email autolinks:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8841:1-8845:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><foo@bar.example.com></span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><a href="mailto:foo@bar.example.com">foo@bar.example.com</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8848:1-8852:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><foo+special@Bar.baz-bar0.com></span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><a href="mailto:foo+special@Bar.baz-bar0.com">foo+special@Bar.baz-bar0.com</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="8855:1-8855:53" dir="auto">Backslash-escapes do not work inside email autolinks:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8857:1-8861:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><foo\+@bar.example.com></span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>&lt;foo+@bar.example.com&gt;</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="8864:1-8864:24" dir="auto">These are not autolinks:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8866:1-8870:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><></span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>&lt;&gt;</p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8873:1-8877:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">< http://foo.bar ></span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>&lt; http://foo.bar &gt;</p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8880:1-8884:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><m:abc></span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>&lt;m:abc&gt;</p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8887:1-8891:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><foo.bar.baz></span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>&lt;foo.bar.baz&gt;</p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8894:1-8898:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">http://example.com</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>http://example.com</p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8901:1-8905:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo@bar.example.com</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>foo@bar.example.com</p></span></code></pre> -<copy-code></copy-code> -</div> -<div> -<h2 data-sourcepos="8909:1-8909:24"> -<a id="user-content-autolinks-extension" class="anchor" href="#autolinks-extension" aria-hidden="true"></a>Autolinks (extension)</h2> -<p data-sourcepos="8911:1-8912:29">GFM enables the <code>autolink</code> extension, where autolinks will be recognised in a -greater number of conditions.</p> -<p data-sourcepos="8914:1-8918:8">[Autolink]s can also be constructed without requiring the use of <code><</code> and to <code>></code> -to delimit them, although they will be recognized under a smaller set of -circumstances. All such recognized autolinks can only come at the beginning of -a line, after whitespace, or any of the delimiting characters <code>*</code>, <code>_</code>, <code>~</code>, -and <code>(</code>.</p> -<p data-sourcepos="8920:1-8926:73">An <a href="@">extended www autolink</a> will be recognized -when the text <code>www.</code> is found followed by a [valid domain]. -A <a href="@">valid domain</a> consists of segments -of alphanumeric characters, underscores (<code>_</code>) and hyphens (<code>-</code>) -separated by periods (<code>.</code>). -There must be at least one period, -and no underscores may be present in the last two segments of the domain.</p> -<p data-sourcepos="8928:1-8928:49">The scheme <code>http</code> will be inserted automatically:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8930:1-8934:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">www.commonmark.org</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><a href="http://www.commonmark.org">www.commonmark.org</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="8936:1-8936:77">After a [valid domain], zero or more non-space non-<code><</code> characters may follow:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8938:1-8942:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">Visit www.commonmark.org/help for more information.</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>Visit <a href="http://www.commonmark.org/help">www.commonmark.org/help</a> for more information.</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="8944:1-8944:64">We then apply <a href="@">extended autolink path validation</a> as follows:</p> -<p data-sourcepos="8946:1-8948:21">Trailing punctuation (specifically, <code>?</code>, <code>!</code>, <code>.</code>, <code>,</code>, <code>:</code>, <code>*</code>, <code>_</code>, and <code>~</code>) -will not be considered part of the autolink, though they may be included in the -interior of the link:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8950:1-8957:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">Visit www.commonmark.org.</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">Visit www.commonmark.org/a.b.</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p>Visit <a href="http://www.commonmark.org">www.commonmark.org</a>.</p></span> -<span id="LC6" class="line" lang="plaintext"><p>Visit <a href="http://www.commonmark.org/a.b">www.commonmark.org/a.b</a>.</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="8959:1-8962:76">When an autolink ends in <code>)</code>, we scan the entire autolink for the total number -of parentheses. If there is a greater number of closing parentheses than -opening ones, we don't consider the unmatched trailing parentheses part of the -autolink, in order to facilitate including an autolink inside a parenthesis:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8964:1-8977:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">www.google.com/search?q=Markup+(business)</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">www.google.com/search?q=Markup+(business)))</span> -<span id="LC4" class="line" lang="plaintext"></span> -<span id="LC5" class="line" lang="plaintext">(www.google.com/search?q=Markup+(business))</span> -<span id="LC6" class="line" lang="plaintext"></span> -<span id="LC7" class="line" lang="plaintext">(www.google.com/search?q=Markup+(business)</span> -<span id="LC8" class="line" lang="plaintext">.</span> -<span id="LC9" class="line" lang="plaintext"><p><a href="http://www.google.com/search?q=Markup+(business)">www.google.com/search?q=Markup+(business)</a></p></span> -<span id="LC10" class="line" lang="plaintext"><p><a href="http://www.google.com/search?q=Markup+(business)">www.google.com/search?q=Markup+(business)</a>))</p></span> -<span id="LC11" class="line" lang="plaintext"><p>(<a href="http://www.google.com/search?q=Markup+(business)">www.google.com/search?q=Markup+(business)</a>)</p></span> -<span id="LC12" class="line" lang="plaintext"><p>(<a href="http://www.google.com/search?q=Markup+(business)">www.google.com/search?q=Markup+(business)</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="8979:1-8981:8">This check is only done when the link ends in a closing parentheses <code>)</code>, so if -the only parentheses are in the interior of the autolink, no special rules are -applied:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8983:1-8987:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">www.google.com/search?q=(business))+ok</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><a href="http://www.google.com/search?q=(business))+ok">www.google.com/search?q=(business))+ok</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="8989:1-8992:13">If an autolink ends in a semicolon (<code>;</code>), we check to see if it appears to -resemble an [entity reference][entity references]; if the preceding text is <code>&</code> -followed by one or more alphanumeric characters. If so, it is excluded from -the autolink:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="8994:1-9001:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">www.google.com/search?q=commonmark&hl=en</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">www.google.com/search?q=commonmark&hl;</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p><a href="http://www.google.com/search?q=commonmark&amp;hl=en">www.google.com/search?q=commonmark&amp;hl=en</a></p></span> -<span id="LC6" class="line" lang="plaintext"><p><a href="http://www.google.com/search?q=commonmark">www.google.com/search?q=commonmark</a>&amp;hl;</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="9003:1-9003:33"><code><</code> immediately ends an autolink.</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="9005:1-9009:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">www.commonmark.org/he<lp</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><a href="http://www.commonmark.org/he">www.commonmark.org/he</a>&lt;lp</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="9011:1-9014:36">An <a href="@">extended url autolink</a> will be recognised when one of the schemes -<code>http://</code>, <code>https://</code>, or <code>ftp://</code>, followed by a [valid domain], then zero or -more non-space non-<code><</code> characters according to -[extended autolink path validation]:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="9016:1-9026:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">http://commonmark.org</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">(Visit https://encrypted.google.com/search?q=Markup+(business))</span> -<span id="LC4" class="line" lang="plaintext"></span> -<span id="LC5" class="line" lang="plaintext">Anonymous FTP is available at ftp://foo.bar.baz.</span> -<span id="LC6" class="line" lang="plaintext">.</span> -<span id="LC7" class="line" lang="plaintext"><p><a href="http://commonmark.org">http://commonmark.org</a></p></span> -<span id="LC8" class="line" lang="plaintext"><p>(Visit <a href="https://encrypted.google.com/search?q=Markup+(business)">https://encrypted.google.com/search?q=Markup+(business)</a>)</p></span> -<span id="LC9" class="line" lang="plaintext"><p>Anonymous FTP is available at <a href="ftp://foo.bar.baz">ftp://foo.bar.baz</a>.</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="9029:1-9031:20">An <a href="@">extended email autolink</a> will be recognised when an email address is -recognised within any text node. Email addresses are recognised according to -the following rules:</p> -<ul data-sourcepos="9033:1-9039:0"> -<li data-sourcepos="9033:1-9033:75">One ore more characters which are alphanumeric, or <code>.</code>, <code>-</code>, <code>_</code>, or <code>+</code>.</li> -<li data-sourcepos="9034:1-9034:16">An <code>@</code> symbol.</li> -<li data-sourcepos="9035:1-9039:0">One or more characters which are alphanumeric, or <code>-</code> or <code>_</code>, -separated by periods (<code>.</code>). -There must be at least one period. -The last character must not be one of <code>-</code> or <code>_</code>.</li> -</ul> -<p data-sourcepos="9040:1-9040:71">The scheme <code>mailto:</code> will automatically be added to the generated link:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="9042:1-9046:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo@bar.baz</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><a href="mailto:foo@bar.baz">foo@bar.baz</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="9048:1-9048:44"><code>+</code> can occur before the <code>@</code>, but not after.</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="9050:1-9054:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">hello@mail+xyz.example isn't valid, but hello+xyz@mail.example is.</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>hello@mail+xyz.example isn't valid, but <a href="mailto:hello+xyz@mail.example">hello+xyz@mail.example</a> is.</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="9056:1-9058:12"><code>.</code>, <code>-</code>, and <code>_</code> can occur on both sides of the <code>@</code>, but only <code>.</code> may occur at -the end of the email address, in which case it will not be considered part of -the address:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="9060:1-9073:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">a.b-c_d@a.b</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">a.b-c_d@a.b.</span> -<span id="LC4" class="line" lang="plaintext"></span> -<span id="LC5" class="line" lang="plaintext">a.b-c_d@a.b-</span> -<span id="LC6" class="line" lang="plaintext"></span> -<span id="LC7" class="line" lang="plaintext">a.b-c_d@a.b_</span> -<span id="LC8" class="line" lang="plaintext">.</span> -<span id="LC9" class="line" lang="plaintext"><p><a href="mailto:a.b-c_d@a.b">a.b-c_d@a.b</a></p></span> -<span id="LC10" class="line" lang="plaintext"><p><a href="mailto:a.b-c_d@a.b">a.b-c_d@a.b</a>.</p></span> -<span id="LC11" class="line" lang="plaintext"><p>a.b-c_d@a.b-</p></span> -<span id="LC12" class="line" lang="plaintext"><p>a.b-c_d@a.b_</p></span></code></pre> -<copy-code></copy-code> -</div> -</div> -<h2 data-sourcepos="9077:1-9077:11" dir="auto"> -<a id="user-content-raw-html" class="anchor" href="#raw-html" aria-hidden="true"></a>Raw HTML</h2> -<p data-sourcepos="9079:1-9082:57" dir="auto">Text between <code><</code> and <code>></code> that looks like an HTML tag is parsed as a -raw HTML tag and will be rendered in HTML without escaping. -Tag and attribute names are not limited to current HTML tags, -so custom tags (and even, say, DocBook tags) may be used.</p> -<p data-sourcepos="9084:1-9084:29" dir="auto">Here is the grammar for tags:</p> -<p data-sourcepos="9086:1-9088:14" dir="auto">A <a href="@">tag name</a> consists of an ASCII letter -followed by zero or more ASCII letters, digits, or -hyphens (<code>-</code>).</p> -<p data-sourcepos="9090:1-9092:32" dir="auto">An <a href="@">attribute</a> consists of [whitespace], -an [attribute name], and an optional -[attribute value specification].</p> -<p data-sourcepos="9094:1-9097:52" dir="auto">An <a href="@">attribute name</a> -consists of an ASCII letter, <code>_</code>, or <code>:</code>, followed by zero or more ASCII -letters, digits, <code>_</code>, <code>.</code>, <code>:</code>, or <code>-</code>. (Note: This is the XML -specification restricted to ASCII. HTML5 is laxer.)</p> -<p data-sourcepos="9099:1-9102:7" dir="auto">An <a href="@">attribute value specification</a> -consists of optional [whitespace], -a <code>=</code> character, optional [whitespace], and an [attribute -value].</p> -<p data-sourcepos="9104:1-9106:72" dir="auto">An <a href="@">attribute value</a> -consists of an [unquoted attribute value], -a [single-quoted attribute value], or a [double-quoted attribute value].</p> -<p data-sourcepos="9108:1-9110:60" dir="auto">An <a href="@">unquoted attribute value</a> -is a nonempty string of characters not -including [whitespace], <code>"</code>, <code>'</code>, <code>=</code>, <code><</code>, <code>></code>, or <code>`</code>.</p> -<p data-sourcepos="9112:1-9114:46" dir="auto">A <a href="@">single-quoted attribute value</a> -consists of <code>'</code>, zero or more -characters not including <code>'</code>, and a final <code>'</code>.</p> -<p data-sourcepos="9116:1-9118:46" dir="auto">A <a href="@">double-quoted attribute value</a> -consists of <code>"</code>, zero or more -characters not including <code>"</code>, and a final <code>"</code>.</p> -<p data-sourcepos="9120:1-9122:31" dir="auto">An <a href="@">open tag</a> consists of a <code><</code> character, a [tag name], -zero or more [attributes], optional [whitespace], an optional <code>/</code> -character, and a <code>></code> character.</p> -<p data-sourcepos="9124:1-9125:57" dir="auto">A <a href="@">closing tag</a> consists of the string <code></</code>, a -[tag name], optional [whitespace], and the character <code>></code>.</p> -<p data-sourcepos="9127:1-9130:63" dir="auto">An <a href="@">HTML comment</a> consists of <code><!--</code> + <em>text</em> + <code>--></code>, -where <em>text</em> does not start with <code>></code> or <code>-></code>, does not end with <code>-</code>, -and does not contain <code>--</code>. (See the -<a href="http://www.w3.org/TR/html5/syntax.html#comments" rel="nofollow noreferrer noopener" target="_blank">HTML5 spec</a>.)</p> -<p data-sourcepos="9132:1-9135:5" dir="auto">A <a href="@">processing instruction</a> -consists of the string <code><?</code>, a string -of characters not including the string <code>?></code>, and the string -<code>?></code>.</p> -<p data-sourcepos="9137:1-9140:37" dir="auto">A <a href="@">declaration</a> consists of the -string <code><!</code>, a name consisting of one or more uppercase ASCII letters, -[whitespace], a string of characters not including the -character <code>></code>, and the character <code>></code>.</p> -<p data-sourcepos="9142:1-9144:28" dir="auto">A <a href="@">CDATA section</a> consists of -the string <code><![CDATA[</code>, a string of characters not including the string -<code>]]></code>, and the string <code>]]></code>.</p> -<p data-sourcepos="9146:1-9148:21" dir="auto">An <a href="@">HTML tag</a> consists of an [open tag], a [closing tag], -an [HTML comment], a [processing instruction], a [declaration], -or a [CDATA section].</p> -<p data-sourcepos="9150:1-9150:31" dir="auto">Here are some simple open tags:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="9152:1-9156:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><a><bab><c2c></span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><a><bab><c2c></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="9159:1-9159:15" dir="auto">Empty elements:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="9161:1-9165:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><a/><b2/></span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><a/><b2/></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="9168:1-9168:24" dir="auto">[Whitespace] is allowed:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="9170:1-9176:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><a /><b2</span> -<span id="LC2" class="line" lang="plaintext">data="foo" ></span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><p><a /><b2</span> -<span id="LC5" class="line" lang="plaintext">data="foo" ></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="9179:1-9179:16" dir="auto">With attributes:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="9181:1-9187:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><a foo="bar" bam = 'baz <em>"</em>'</span> -<span id="LC2" class="line" lang="plaintext">_boolean zoop:33=zoop:33 /></span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><p><a foo="bar" bam = 'baz <em>"</em>'</span> -<span id="LC5" class="line" lang="plaintext">_boolean zoop:33=zoop:33 /></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="9190:1-9190:29" dir="auto">Custom tag names can be used:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="9192:1-9196:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">Foo <responsive-image src="foo.jpg" /></span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>Foo <responsive-image src="foo.jpg" /></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="9199:1-9199:38" dir="auto">Illegal tag names, not parsed as HTML:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="9201:1-9205:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><33> <__></span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>&lt;33&gt; &lt;__&gt;</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="9208:1-9208:24" dir="auto">Illegal attribute names:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="9210:1-9214:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><a h*#ref="hi"></span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>&lt;a h*#ref=&quot;hi&quot;&gt;</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="9217:1-9217:25" dir="auto">Illegal attribute values:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="9219:1-9223:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><a href="hi'> <a href=hi'></span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>&lt;a href=&quot;hi'&gt; &lt;a href=hi'&gt;</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="9226:1-9226:21" dir="auto">Illegal [whitespace]:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="9228:1-9238:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">< a><</span> -<span id="LC2" class="line" lang="plaintext">foo><bar/ ></span> -<span id="LC3" class="line" lang="plaintext"><foo bar=baz</span> -<span id="LC4" class="line" lang="plaintext">bim!bop /></span> -<span id="LC5" class="line" lang="plaintext">.</span> -<span id="LC6" class="line" lang="plaintext"><p>&lt; a&gt;&lt;</span> -<span id="LC7" class="line" lang="plaintext">foo&gt;&lt;bar/ &gt;</span> -<span id="LC8" class="line" lang="plaintext">&lt;foo bar=baz</span> -<span id="LC9" class="line" lang="plaintext">bim!bop /&gt;</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="9241:1-9241:21" dir="auto">Missing [whitespace]:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="9243:1-9247:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><a href='bar'title=title></span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>&lt;a href='bar'title=title&gt;</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="9250:1-9250:13" dir="auto">Closing tags:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="9252:1-9256:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"></a></foo ></span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p></a></foo ></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="9259:1-9259:34" dir="auto">Illegal attributes in closing tag:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="9261:1-9265:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"></a href="foo"></span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>&lt;/a href=&quot;foo&quot;&gt;</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="9268:1-9268:9" dir="auto">Comments:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="9270:1-9276:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo <!-- this is a</span> -<span id="LC2" class="line" lang="plaintext">comment - with hyphen --></span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><p>foo <!-- this is a</span> -<span id="LC5" class="line" lang="plaintext">comment - with hyphen --></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="9279:1-9283:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo <!-- not a comment -- two hyphens --></span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>foo &lt;!-- not a comment -- two hyphens --&gt;</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="9286:1-9286:13" dir="auto">Not comments:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="9288:1-9295:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo <!--> foo --></span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">foo <!-- foo---></span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p>foo &lt;!--&gt; foo --&gt;</p></span> -<span id="LC6" class="line" lang="plaintext"><p>foo &lt;!-- foo---&gt;</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="9298:1-9298:24" dir="auto">Processing instructions:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="9300:1-9304:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo <?php echo $a; ?></span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>foo <?php echo $a; ?></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="9307:1-9307:13" dir="auto">Declarations:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="9309:1-9313:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo <!ELEMENT br EMPTY></span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>foo <!ELEMENT br EMPTY></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="9316:1-9316:15" dir="auto">CDATA sections:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="9318:1-9322:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo <![CDATA[>&<]]></span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>foo <![CDATA[>&<]]></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="9325:1-9326:11" dir="auto">Entity and numeric character references are preserved in HTML -attributes:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="9328:1-9332:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo <a href="&ouml;"></span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>foo <a href="&ouml;"></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="9335:1-9335:49" dir="auto">Backslash escapes do not work in HTML attributes:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="9337:1-9341:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo <a href="\*"></span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>foo <a href="\*"></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="9344:1-9348:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><a href="\""></span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>&lt;a href=&quot;&quot;&quot;&gt;</p></span></code></pre> -<copy-code></copy-code> -</div> -<div> -<h2 data-sourcepos="9353:1-9353:34"> -<a id="user-content-disallowed-raw-html-extension" class="anchor" href="#disallowed-raw-html-extension" aria-hidden="true"></a>Disallowed Raw HTML (extension)</h2> -<p data-sourcepos="9355:1-9356:36">GFM enables the <code>tagfilter</code> extension, where the following HTML tags will be -filtered when rendering HTML output:</p> -<ul data-sourcepos="9358:1-9367:0"> -<li data-sourcepos="9358:1-9358:11"><code><title></code></li> -<li data-sourcepos="9359:1-9359:14"><code><textarea></code></li> -<li data-sourcepos="9360:1-9360:11"><code><style></code></li> -<li data-sourcepos="9361:1-9361:9"><code><xmp></code></li> -<li data-sourcepos="9362:1-9362:12"><code><iframe></code></li> -<li data-sourcepos="9363:1-9363:13"><code><noembed></code></li> -<li data-sourcepos="9364:1-9364:14"><code><noframes></code></li> -<li data-sourcepos="9365:1-9365:12"><code><script></code></li> -<li data-sourcepos="9366:1-9367:0"><code><plaintext></code></li> -</ul> -<p data-sourcepos="9368:1-9371:71">Filtering is done by replacing the leading <code><</code> with the entity <code>&lt;</code>. These -tags are chosen in particular as they change how HTML is interpreted in a way -unique to them (i.e. nested HTML is interpreted differently), and this is -usually undesireable in the context of other rendered Markdown content.</p> -<p data-sourcepos="9373:1-9373:39">All other HTML tags are left untouched.</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="9375:1-9386:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><strong> <title> <style> <em></span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext"><blockquote></span> -<span id="LC4" class="line" lang="plaintext"> <xmp> is disallowed. <XMP> is also disallowed.</span> -<span id="LC5" class="line" lang="plaintext"></blockquote></span> -<span id="LC6" class="line" lang="plaintext">.</span> -<span id="LC7" class="line" lang="plaintext"><p><strong> &lt;title> &lt;style> <em></p></span> -<span id="LC8" class="line" lang="plaintext"><blockquote></span> -<span id="LC9" class="line" lang="plaintext"> &lt;xmp> is disallowed. &lt;XMP> is also disallowed.</span> -<span id="LC10" class="line" lang="plaintext"></blockquote></span></code></pre> -<copy-code></copy-code> -</div> -</div> -<h2 data-sourcepos="9390:1-9390:19" dir="auto"> -<a id="user-content-hard-line-breaks" class="anchor" href="#hard-line-breaks" aria-hidden="true"></a>Hard line breaks</h2> -<p data-sourcepos="9392:1-9395:27" dir="auto">A line break (not in a code span or HTML tag) that is preceded -by two or more spaces and does not occur at the end of a block -is parsed as a <a href="@">hard line break</a> (rendered -in HTML as a <code><br /></code> tag):</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="9397:1-9403:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo </span> -<span id="LC2" class="line" lang="plaintext">baz</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><p>foo<br /></span> -<span id="LC5" class="line" lang="plaintext">baz</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="9406:1-9407:48" dir="auto">For a more visible alternative, a backslash before the -[line ending] may be used instead of two spaces:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="9409:1-9415:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo\</span> -<span id="LC2" class="line" lang="plaintext">baz</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><p>foo<br /></span> -<span id="LC5" class="line" lang="plaintext">baz</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="9418:1-9418:33" dir="auto">More than two spaces can be used:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="9420:1-9426:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo </span> -<span id="LC2" class="line" lang="plaintext">baz</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><p>foo<br /></span> -<span id="LC5" class="line" lang="plaintext">baz</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="9429:1-9429:61" dir="auto">Leading spaces at the beginning of the next line are ignored:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="9431:1-9437:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo </span> -<span id="LC2" class="line" lang="plaintext"> bar</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><p>foo<br /></span> -<span id="LC5" class="line" lang="plaintext">bar</p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="9440:1-9446:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo\</span> -<span id="LC2" class="line" lang="plaintext"> bar</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><p>foo<br /></span> -<span id="LC5" class="line" lang="plaintext">bar</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="9449:1-9450:26" dir="auto">Line breaks can occur inside emphasis, links, and other constructs -that allow inline content:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="9452:1-9458:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">*foo </span> -<span id="LC2" class="line" lang="plaintext">bar*</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><p><em>foo<br /></span> -<span id="LC5" class="line" lang="plaintext">bar</em></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="9461:1-9467:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">*foo\</span> -<span id="LC2" class="line" lang="plaintext">bar*</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><p><em>foo<br /></span> -<span id="LC5" class="line" lang="plaintext">bar</em></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="9470:1-9470:42" dir="auto">Line breaks do not occur inside code spans</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="9472:1-9477:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">`code </span> -<span id="LC2" class="line" lang="plaintext">span`</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><p><code>code span</code></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="9480:1-9485:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">`code\</span> -<span id="LC2" class="line" lang="plaintext">span`</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><p><code>code\ span</code></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="9488:1-9488:13" dir="auto">or HTML tags:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="9490:1-9496:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><a href="foo </span> -<span id="LC2" class="line" lang="plaintext">bar"></span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><p><a href="foo </span> -<span id="LC5" class="line" lang="plaintext">bar"></p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="9499:1-9505:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><a href="foo\</span> -<span id="LC2" class="line" lang="plaintext">bar"></span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><p><a href="foo\</span> -<span id="LC5" class="line" lang="plaintext">bar"></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="9508:1-9510:20" dir="auto">Hard line breaks are for separating inline content within a block. -Neither syntax for hard line breaks works at the end of a paragraph or -other block element:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="9512:1-9516:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo\</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>foo\</p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="9519:1-9523:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo </span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>foo</p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="9526:1-9530:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">### foo\</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><h3>foo\</h3></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="9533:1-9537:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">### foo </span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><h3>foo</h3></span></code></pre> -<copy-code></copy-code> -</div> -<h2 data-sourcepos="9540:1-9540:19" dir="auto"> -<a id="user-content-soft-line-breaks" class="anchor" href="#soft-line-breaks" aria-hidden="true"></a>Soft line breaks</h2> -<p data-sourcepos="9542:1-9546:62" dir="auto">A regular line break (not in a code span or HTML tag) that is not -preceded by two or more spaces or a backslash is parsed as a -<a href="@">softbreak</a>. (A softbreak may be rendered in HTML either as a -[line ending] or as a space. The result will be the same in -browsers. In the examples here, a [line ending] will be used.)</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="9548:1-9554:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo</span> -<span id="LC2" class="line" lang="plaintext">baz</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><p>foo</span> -<span id="LC5" class="line" lang="plaintext">baz</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="9557:1-9558:8" dir="auto">Spaces at the end of the line and beginning of the next line are -removed:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="9560:1-9566:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo </span> -<span id="LC2" class="line" lang="plaintext"> baz</span> -<span id="LC3" class="line" lang="plaintext">.</span> -<span id="LC4" class="line" lang="plaintext"><p>foo</span> -<span id="LC5" class="line" lang="plaintext">baz</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="9569:1-9570:25" dir="auto">A conforming parser may render a soft line break in HTML either as a -line break or as a space.</p> -<p data-sourcepos="9572:1-9573:20" dir="auto">A renderer may also provide an option to render soft line breaks -as hard line breaks.</p> -<h2 data-sourcepos="9575:1-9575:18" dir="auto"> -<a id="user-content-textual-content" class="anchor" href="#textual-content" aria-hidden="true"></a>Textual content</h2> -<p data-sourcepos="9577:1-9578:35" dir="auto">Any characters not given an interpretation by the above rules will -be parsed as plain textual content.</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="9580:1-9584:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">hello $.;'there</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>hello $.;'there</p></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="9587:1-9591:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">Foo χρῆν</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>Foo χρῆν</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="9594:1-9594:39" dir="auto">Internal spaces are preserved verbatim:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="9596:1-9600:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">Multiple spaces</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>Multiple spaces</p></span></code></pre> -<copy-code></copy-code> -</div> -<h1 data-sourcepos="9603:1-9603:40" dir="auto"> -<a id="user-content-gitlab-official-specification-markdown" class="anchor" href="#gitlab-official-specification-markdown" aria-hidden="true"></a>GitLab Official Specification Markdown</h1> -<p data-sourcepos="9605:1-9608:104" dir="auto">Currently, only some of the GitLab-specific markdown features are -listed in this section. We will eventually add all -GitLab-specific features currently listed as supported in the -<a href="https://docs.gitlab.com/ee/user/markdown.html" rel="nofollow noreferrer noopener" target="_blank">user-facing documentation for GitLab Flavored Markdown</a>.</p> -<p data-sourcepos="9610:1-9611:69" dir="auto">There is currently only this single top-level heading, but the -examples may be split into multiple top-level headings in the future.</p> -<h2 data-sourcepos="9613:1-9613:12" dir="auto"> -<a id="user-content-footnotes" class="anchor" href="#footnotes" aria-hidden="true"></a>Footnotes</h2> -<p data-sourcepos="9615:1-9616:143" dir="auto">See -<a href="https://docs.gitlab.com/ee/user/markdown.html#footnotes" rel="nofollow noreferrer noopener" target="_blank">the footnotes section of the user-facing documentation for GitLab Flavored Markdown</a>.</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="9618:1-9642:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">footnote reference tag [^fortytwo]</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">[^fortytwo]: footnote text</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p></span> -<span id="LC6" class="line" lang="plaintext">footnote reference tag</span> -<span id="LC7" class="line" lang="plaintext"><sup></span> -<span id="LC8" class="line" lang="plaintext"><a href="#fn-fortytwo-42" id="fnref-fortytwo-42" data-footnote-ref></span> -<span id="LC9" class="line" lang="plaintext">1</span> -<span id="LC10" class="line" lang="plaintext"></a></span> -<span id="LC11" class="line" lang="plaintext"></sup></span> -<span id="LC12" class="line" lang="plaintext"></p></span> -<span id="LC13" class="line" lang="plaintext"><section data-footnotes></span> -<span id="LC14" class="line" lang="plaintext"><ol></span> -<span id="LC15" class="line" lang="plaintext"><li id="fn-fortytwo-42"></span> -<span id="LC16" class="line" lang="plaintext"><p></span> -<span id="LC17" class="line" lang="plaintext">footnote text</span> -<span id="LC18" class="line" lang="plaintext"><a href="#fnref-fortytwo-42" data-footnote-backref></span> -<span id="LC19" class="line" lang="plaintext"></a></span> -<span id="LC20" class="line" lang="plaintext"></p></span> -<span id="LC21" class="line" lang="plaintext"></li></span> -<span id="LC22" class="line" lang="plaintext"></ol></span> -<span id="LC23" class="line" lang="plaintext"></section></span></code></pre> -<copy-code></copy-code> -</div> -<h2 data-sourcepos="9644:1-9644:18" dir="auto"> -<a id="user-content-task-list-items" class="anchor" href="#task-list-items" aria-hidden="true"></a>Task list items</h2> -<p data-sourcepos="9646:1-9647:117" dir="auto">See -<a href="https://docs.gitlab.com/ee/user/markdown.html#task-lists" rel="nofollow noreferrer noopener" target="_blank">Task lists</a> in the GitLab Flavored Markdown documentation.</p> -<p data-sourcepos="9649:1-9652:39" dir="auto">Task list items (checkboxes) are defined as a GitHub Flavored Markdown extension in a section above. -GitLab extends the behavior of task list items to support additional features. -Some of these features are in-progress, and should not yet be considered part of the official -GitLab Flavored Markdown specification.</p> -<p data-sourcepos="9654:1-9654:85" dir="auto">Some of the behavior of task list items is implemented as client-side JavaScript/CSS.</p> -<p data-sourcepos="9656:1-9656:80" dir="auto">The following are some basic examples; more examples may be added in the future.</p> -<p data-sourcepos="9658:1-9658:16" dir="auto">Incomplete task:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="9660:1-9670:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- [ ] incomplete</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><ul></span> -<span id="LC4" class="line" lang="plaintext"><li></span> -<span id="LC5" class="line" lang="plaintext"><task-button/></span> -<span id="LC6" class="line" lang="plaintext"><input type="checkbox" disabled/></span> -<span id="LC7" class="line" lang="plaintext">incomplete</span> -<span id="LC8" class="line" lang="plaintext"></li></span> -<span id="LC9" class="line" lang="plaintext"></ul></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="9672:1-9672:15" dir="auto">Completed task:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="9674:1-9684:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- [x] completed</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><ul></span> -<span id="LC4" class="line" lang="plaintext"><li></span> -<span id="LC5" class="line" lang="plaintext"><task-button/></span> -<span id="LC6" class="line" lang="plaintext"><input type="checkbox" checked disabled/></span> -<span id="LC7" class="line" lang="plaintext">completed</span> -<span id="LC8" class="line" lang="plaintext"></li></span> -<span id="LC9" class="line" lang="plaintext"></ul></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="9686:1-9686:18" dir="auto">Inapplicable task:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="9688:1-9700:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- [~] inapplicable</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><ul></span> -<span id="LC4" class="line" lang="plaintext"><li></span> -<span id="LC5" class="line" lang="plaintext"><task-button/></span> -<span id="LC6" class="line" lang="plaintext"><input type="checkbox" data-inapplicable disabled></span> -<span id="LC7" class="line" lang="plaintext"><s></span> -<span id="LC8" class="line" lang="plaintext">inapplicable</span> -<span id="LC9" class="line" lang="plaintext"></s></span> -<span id="LC10" class="line" lang="plaintext"></li></span> -<span id="LC11" class="line" lang="plaintext"></ul></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="9702:1-9703:50" dir="auto">Inapplicable task in a "loose" list. Note that the <code><del></code> tag is not applied to the -loose text; it has strikethrough applied with CSS.</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="9705:1-9724:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- [~] inapplicable</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext"> text in loose list</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><ul></span> -<span id="LC6" class="line" lang="plaintext"><li></span> -<span id="LC7" class="line" lang="plaintext"><p></span> -<span id="LC8" class="line" lang="plaintext"><task-button/></span> -<span id="LC9" class="line" lang="plaintext"><input type="checkbox" data-inapplicable disabled></span> -<span id="LC10" class="line" lang="plaintext"><s></span> -<span id="LC11" class="line" lang="plaintext">inapplicable</span> -<span id="LC12" class="line" lang="plaintext"></s></span> -<span id="LC13" class="line" lang="plaintext"></p></span> -<span id="LC14" class="line" lang="plaintext"><p></span> -<span id="LC15" class="line" lang="plaintext">text in loose list</span> -<span id="LC16" class="line" lang="plaintext"></p></span> -<span id="LC17" class="line" lang="plaintext"></li></span> -<span id="LC18" class="line" lang="plaintext"></ul></span></code></pre> -<copy-code></copy-code> -</div> -<h2 data-sourcepos="9726:1-9726:15" dir="auto"> -<a id="user-content-front-matter" class="anchor" href="#front-matter" aria-hidden="true"></a>Front matter</h2> -<p data-sourcepos="9728:1-9729:121" dir="auto">See -<a href="https://docs.gitlab.com/ee/user/markdown.html#front-matter" rel="nofollow noreferrer noopener" target="_blank">Front matter</a> in the GitLab Flavored Markdown documentation.</p> -<p data-sourcepos="9731:1-9732:95" dir="auto">Front matter is metadata included at the beginning of a Markdown document, preceding the content. -This data can be used by static site generators like Jekyll, Hugo, and many other applications.</p> -<p data-sourcepos="9734:1-9734:18" dir="auto">YAML front matter:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="9736:1-9746:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">---</span> -<span id="LC2" class="line" lang="plaintext">title: YAML front matter</span> -<span id="LC3" class="line" lang="plaintext">---</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><pre></span> -<span id="LC6" class="line" lang="plaintext"><code></span> -<span id="LC7" class="line" lang="plaintext">title: YAML front matter</span> -<span id="LC8" class="line" lang="plaintext"></code></span> -<span id="LC9" class="line" lang="plaintext"></pre></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="9748:1-9748:18" dir="auto">TOML front matter:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="9750:1-9760:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">+++</span> -<span id="LC2" class="line" lang="plaintext">title: TOML front matter</span> -<span id="LC3" class="line" lang="plaintext">+++</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><pre></span> -<span id="LC6" class="line" lang="plaintext"><code></span> -<span id="LC7" class="line" lang="plaintext">title: TOML front matter</span> -<span id="LC8" class="line" lang="plaintext"></code></span> -<span id="LC9" class="line" lang="plaintext"></pre></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="9762:1-9762:18" dir="auto">JSON front matter:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="9764:1-9778:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">;;;</span> -<span id="LC2" class="line" lang="plaintext">{</span> -<span id="LC3" class="line" lang="plaintext"> "title": "JSON front matter"</span> -<span id="LC4" class="line" lang="plaintext">}</span> -<span id="LC5" class="line" lang="plaintext">;;;</span> -<span id="LC6" class="line" lang="plaintext">.</span> -<span id="LC7" class="line" lang="plaintext"><pre></span> -<span id="LC8" class="line" lang="plaintext"><code></span> -<span id="LC9" class="line" lang="plaintext">{</span> -<span id="LC10" class="line" lang="plaintext"> "title": "JSON front matter"</span> -<span id="LC11" class="line" lang="plaintext">}</span> -<span id="LC12" class="line" lang="plaintext"></code></span> -<span id="LC13" class="line" lang="plaintext"></pre></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="9780:1-9780:66" dir="auto">Front matter blocks should be inserted at the top of the document:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="9782:1-9792:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">text</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">---</span> -<span id="LC4" class="line" lang="plaintext">title: YAML front matter</span> -<span id="LC5" class="line" lang="plaintext">---</span> -<span id="LC6" class="line" lang="plaintext">.</span> -<span id="LC7" class="line" lang="plaintext"><p>text</p></span> -<span id="LC8" class="line" lang="plaintext"><hr></span> -<span id="LC9" class="line" lang="plaintext"><h2>title: YAML front matter</h2></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="9794:1-9794:74" dir="auto">Front matter block delimiters shouldn’t be preceded by space characters:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="9796:1-9803:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> ---</span> -<span id="LC2" class="line" lang="plaintext">title: YAML front matter</span> -<span id="LC3" class="line" lang="plaintext">---</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><hr></span> -<span id="LC6" class="line" lang="plaintext"><h2>title: YAML front matter</h2></span></code></pre> -<copy-code></copy-code> -</div> -<h2 data-sourcepos="9805:1-9805:20" dir="auto"> -<a id="user-content-table-of-contents" class="anchor" href="#table-of-contents" aria-hidden="true"></a>Table of contents</h2> -<p data-sourcepos="9807:1-9809:46" dir="auto">See -<a href="https://docs.gitlab.com/ee/user/markdown.html#table-of-contents" rel="nofollow noreferrer noopener" target="_blank">table of contents</a> -in the GitLab Flavored Markdown documentation.</p> -<p data-sourcepos="9811:1-9812:58" dir="auto">A table of contents is an unordered list that links to subheadings in the document. -Add either the <code>[[_TOC_]]</code> or </p><ul class="section-nav"> -<li><a href="#introduction">Introduction</a></li> -<li> -<a href="#preliminaries">Preliminaries</a><ul> -<li><a href="#characters-and-lines">Characters and lines</a></li> -<li><a href="#tabs">Tabs</a></li> -<li><a href="#insecure-characters">Insecure characters</a></li> -</ul> -</li> -<li> -<a href="#blocks-and-inlines">Blocks and inlines</a><ul> -<li><a href="#precedence">Precedence</a></li> -<li><a href="#container-blocks-and-leaf-blocks">Container blocks and leaf blocks</a></li> -</ul> -</li> -<li> -<a href="#leaf-blocks">Leaf blocks</a><ul> -<li><a href="#thematic-breaks">Thematic breaks</a></li> -<li><a href="#atx-headings">ATX headings</a></li> -<li><a href="#setext-headings">Setext headings</a></li> -<li><a href="#indented-code-blocks">Indented code blocks</a></li> -<li><a href="#fenced-code-blocks">Fenced code blocks</a></li> -<li><a href="#html-blocks">HTML blocks</a></li> -<li><a href="#link-reference-definitions">Link reference definitions</a></li> -<li><a href="#paragraphs">Paragraphs</a></li> -<li><a href="#blank-lines">Blank lines</a></li> -<li><a href="#tables-extension">Tables (extension)</a></li> -</ul> -</li> -<li> -<a href="#container-blocks">Container blocks</a><ul> -<li><a href="#block-quotes">Block quotes</a></li> -<li> -<a href="#list-items">List items</a><ul><li><a href="#motivation">Motivation</a></li></ul> -</li> -<li><a href="#task-list-items-extension">Task list items (extension)</a></li> -<li><a href="#lists">Lists</a></li> -</ul> -</li> -<li> -<a href="#inlines">Inlines</a><ul> -<li><a href="#backslash-escapes">Backslash escapes</a></li> -<li><a href="#entity-and-numeric-character-references">Entity and numeric character references</a></li> -<li><a href="#code-spans">Code spans</a></li> -<li><a href="#emphasis-and-strong-emphasis">Emphasis and strong emphasis</a></li> -<li><a href="#strikethrough-extension">Strikethrough (extension)</a></li> -<li><a href="#links">Links</a></li> -<li><a href="#images">Images</a></li> -<li><a href="#autolinks">Autolinks</a></li> -<li><a href="#autolinks-extension">Autolinks (extension)</a></li> -<li><a href="#raw-html">Raw HTML</a></li> -<li><a href="#disallowed-raw-html-extension">Disallowed Raw HTML (extension)</a></li> -<li><a href="#hard-line-breaks">Hard line breaks</a></li> -<li><a href="#soft-line-breaks">Soft line breaks</a></li> -<li><a href="#textual-content">Textual content</a></li> -</ul> -</li> -<li> -<a href="#gitlab-official-specification-markdown">GitLab Official Specification Markdown</a><ul> -<li><a href="#footnotes">Footnotes</a></li> -<li><a href="#task-list-items">Task list items</a></li> -<li><a href="#front-matter">Front matter</a></li> -<li><a href="#table-of-contents">Table of contents</a></li> -</ul> -</li> -<li> -<a href="#gitlab-internal-extension-markdown">GitLab Internal Extension Markdown</a><ul> -<li><a href="#audio">Audio</a></li> -<li><a href="#video">Video</a></li> -<li><a href="#markdown-preview-api-request-overrides">Markdown Preview API Request Overrides</a></li> -</ul> -</li> -<li> -<a href="#appendix-a-parsing-strategy">Appendix: A parsing strategy</a><ul> -<li><a href="#overview">Overview</a></li> -<li><a href="#phase-1-block-structure">Phase 1: block structure</a></li> -<li> -<a href="#phase-2-inline-structure">Phase 2: inline structure</a><ul><li> -<a href="#an-algorithm-for-parsing-nested-emphasis-and-links">An algorithm for parsing nested emphasis and links</a><ul> -<li><a href="#look-for-link-or-image">look for link or image</a></li> -<li><a href="#process-emphasis">process emphasis</a></li> -</ul> -</li></ul> -</li> -</ul> -</li> -</ul> tag on its own line. -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="9814:1-9831:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[TOC]</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext"># Heading 1</span> -<span id="LC4" class="line" lang="plaintext"></span> -<span id="LC5" class="line" lang="plaintext">## Heading 2</span> -<span id="LC6" class="line" lang="plaintext">.</span> -<span id="LC7" class="line" lang="plaintext"><nav></span> -<span id="LC8" class="line" lang="plaintext"> <ul></span> -<span id="LC9" class="line" lang="plaintext"> <li><a href="#heading-1">Heading 1</a></li></span> -<span id="LC10" class="line" lang="plaintext"> <ul></span> -<span id="LC11" class="line" lang="plaintext"> <li><a href="#heading-2">Heading 2</a></li></span> -<span id="LC12" class="line" lang="plaintext"> </ul></span> -<span id="LC13" class="line" lang="plaintext"> </ul></span> -<span id="LC14" class="line" lang="plaintext"></nav></span> -<span id="LC15" class="line" lang="plaintext"><h1>Heading 1</h1></span> -<span id="LC16" class="line" lang="plaintext"><h2>Heading 2</h2></span></code></pre> -<copy-code></copy-code> -</div> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="9833:1-9850:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[[_TOC_]]</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext"># Heading 1</span> -<span id="LC4" class="line" lang="plaintext"></span> -<span id="LC5" class="line" lang="plaintext">## Heading 2</span> -<span id="LC6" class="line" lang="plaintext">.</span> -<span id="LC7" class="line" lang="plaintext"><nav></span> -<span id="LC8" class="line" lang="plaintext"> <ul></span> -<span id="LC9" class="line" lang="plaintext"> <li><a href="#heading-1">Heading 1</a></li></span> -<span id="LC10" class="line" lang="plaintext"> <ul></span> -<span id="LC11" class="line" lang="plaintext"> <li><a href="#heading-2">Heading 2</a></li></span> -<span id="LC12" class="line" lang="plaintext"> </ul></span> -<span id="LC13" class="line" lang="plaintext"> </ul></span> -<span id="LC14" class="line" lang="plaintext"></nav></span> -<span id="LC15" class="line" lang="plaintext"><h1>Heading 1</h1></span> -<span id="LC16" class="line" lang="plaintext"><h2>Heading 2</h2></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="9852:1-9853:5" dir="auto">A table of contents is a block element. It should preceded and followed by a blank -line.</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="9855:1-9864:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[[_TOC_]]</span> -<span id="LC2" class="line" lang="plaintext">text</span> -<span id="LC3" class="line" lang="plaintext"></span> -<span id="LC4" class="line" lang="plaintext">text</span> -<span id="LC5" class="line" lang="plaintext">[TOC]</span> -<span id="LC6" class="line" lang="plaintext">.</span> -<span id="LC7" class="line" lang="plaintext"><p>[[<em>TOC</em>]]text</p></span> -<span id="LC8" class="line" lang="plaintext"><p>text[TOC]</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="9866:1-9866:60" dir="auto">A table of contents can be indented with up to three spaces.</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="9868:1-9879:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> [[_TOC_]]</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext"># Heading 1</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><nav></span> -<span id="LC6" class="line" lang="plaintext"> <ul></span> -<span id="LC7" class="line" lang="plaintext"> <li><a href="#heading-1">Heading 1</a></li></span> -<span id="LC8" class="line" lang="plaintext"> </ul></span> -<span id="LC9" class="line" lang="plaintext"></nav></span> -<span id="LC10" class="line" lang="plaintext"><h1>Heading 1</h1></span></code></pre> -<copy-code></copy-code> -</div> -<h1 data-sourcepos="9881:1-9881:36" dir="auto"> -<a id="user-content-gitlab-internal-extension-markdown" class="anchor" href="#gitlab-internal-extension-markdown" aria-hidden="true"></a>GitLab Internal Extension Markdown</h1> -<h2 data-sourcepos="9883:1-9883:8" dir="auto"> -<a id="user-content-audio" class="anchor" href="#audio" aria-hidden="true"></a>Audio</h2> -<p data-sourcepos="9885:1-9886:107" dir="auto">See -<a href="https://docs.gitlab.com/ee/user/markdown.html#audio" rel="nofollow noreferrer noopener" target="_blank">audio</a> in the GitLab Flavored Markdown documentation.</p> -<p data-sourcepos="9888:1-9890:63" dir="auto">GLFM renders image elements as an audio player as long as the resource’s file extension is -one of the following supported audio extensions <code>.mp3</code>, <code>.oga</code>, <code>.ogg</code>, <code>.spx</code>, and <code>.wav</code>. -Audio ignore the alternative text part of an image declaration.</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="9892:1-9896:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"></span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><audio src="audio.oga" title="audio title"></audio></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="9898:1-9898:41" dir="auto">Reference definitions work audio as well:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="9900:1-9906:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[audio]: audio.oga "audio title"</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">![audio][audio]</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p><audio src="audio.oga" title="audio title"></audio></p></span></code></pre> -<copy-code></copy-code> -</div> -<h2 data-sourcepos="9908:1-9908:8" dir="auto"> -<a id="user-content-video" class="anchor" href="#video" aria-hidden="true"></a>Video</h2> -<p data-sourcepos="9910:1-9911:109" dir="auto">See -<a href="https://docs.gitlab.com/ee/user/markdown.html#videos" rel="nofollow noreferrer noopener" target="_blank">videos</a> in the GitLab Flavored Markdown documentation.</p> -<p data-sourcepos="9913:1-9915:64" dir="auto">GLFM renders image elements as a video player as long as the resource’s file extension is -one of the following supported video extensions <code>.mp4</code>, <code>.m4v</code>, <code>.mov</code>, <code>.webm</code>, and <code>.ogv</code>. -Videos ignore the alternative text part of an image declaration.</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="9918:1-9922:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"></span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><video src="video.m4v" title="video title"></video></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="9924:1-9924:41" dir="auto">Reference definitions work video as well:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="9926:1-9932:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[video]: video.mov "video title"</span> -<span id="LC2" class="line" lang="plaintext"></span> -<span id="LC3" class="line" lang="plaintext">![video][video]</span> -<span id="LC4" class="line" lang="plaintext">.</span> -<span id="LC5" class="line" lang="plaintext"><p><video src="video.mov" title="video title"></video></p></span></code></pre> -<copy-code></copy-code> -</div> -<h2 data-sourcepos="9934:1-9934:41" dir="auto"> -<a id="user-content-markdown-preview-api-request-overrides" class="anchor" href="#markdown-preview-api-request-overrides" aria-hidden="true"></a>Markdown Preview API Request Overrides</h2> -<p data-sourcepos="9936:1-9938:42" dir="auto">This section contains examples of all controllers which use <code>PreviewMarkdown</code> module -and use different <code>markdown_context_params</code>. They exercise the various <code>preview_markdown</code> -endpoints via <code>glfm_example_metadata.yml</code>.</p> -<p data-sourcepos="9941:1-9941:75" dir="auto"><code>preview_markdown</code> exercising <code>groups</code> API endpoint and <code>UploadLinkFilter</code>:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="9943:1-9947:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[groups-test-file](/uploads/groups-test-file)</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><a href="groups-test-file">groups-test-file</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="9949:1-9949:81" dir="auto"><code>preview_markdown</code> exercising <code>projects</code> API endpoint and <code>RepositoryLinkFilter</code>:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="9951:1-9955:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[projects-test-file](projects-test-file)</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><a href="projects-test-file">projects-test-file</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="9957:1-9957:83" dir="auto"><code>preview_markdown</code> exercising <code>projects</code> API endpoint and <code>SnippetReferenceFilter</code>:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="9959:1-9963:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">This project snippet ID reference IS filtered: $88888</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>This project snippet ID reference IS filtered: $88888</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="9965:1-9968:50" dir="auto"><code>preview_markdown</code> exercising personal (non-project) <code>snippets</code> API endpoint. This is -only used by the comment field on personal snippets. It has no unique custom markdown -extension behavior, and specifically does not render snippet references via -<code>SnippetReferenceFilter</code>, even if the ID is valid.</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="9970:1-9974:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">This personal snippet ID reference is not filtered: $99999</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p>This personal snippet ID reference is not filtered: $99999</p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="9976:1-9976:80" dir="auto"><code>preview_markdown</code> exercising project <code>wikis</code> API endpoint and <code>WikiLinkFilter</code>:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="9978:1-9982:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[project-wikis-test-file](project-wikis-test-file)</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><a href="project-wikis-test-file">project-wikis-test-file</a></p></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="9984:1-9985:63" dir="auto"><code>preview_markdown</code> exercising group <code>wikis</code> API endpoint and <code>WikiLinkFilter</code>. This example -also requires an EE license enabling the <code>group_wikis</code> feature:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="9987:1-9991:32" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[group-wikis-test-file](group-wikis-test-file)</span> -<span id="LC2" class="line" lang="plaintext">.</span> -<span id="LC3" class="line" lang="plaintext"><p><a href="group-wikis-test-file">group-wikis-test-file</a></p></span></code></pre> -<copy-code></copy-code> -</div> - -<h1 data-sourcepos="9995:1-9995:30" dir="auto"> -<a id="user-content-appendix-a-parsing-strategy" class="anchor" href="#appendix-a-parsing-strategy" aria-hidden="true"></a>Appendix: A parsing strategy</h1> -<p data-sourcepos="9997:1-9998:49" dir="auto">In this appendix we describe some features of the parsing strategy -used in the CommonMark reference implementations.</p> -<h2 data-sourcepos="10000:1-10000:11" dir="auto"> -<a id="user-content-overview" class="anchor" href="#overview" aria-hidden="true"></a>Overview</h2> -<p data-sourcepos="10002:1-10002:23" dir="auto">Parsing has two phases:</p> -<ol data-sourcepos="10004:1-10014:0" dir="auto"> -<li data-sourcepos="10004:1-10009:0"> -<p data-sourcepos="10004:4-10008:28">In the first phase, lines of input are consumed and the block -structure of the document---its division into paragraphs, block quotes, -list items, and so on---is constructed. Text is assigned to these -blocks but not parsed. Link reference definitions are parsed and a -map of links is constructed.</p> -</li> -<li data-sourcepos="10010:1-10014:0"> -<p data-sourcepos="10010:4-10013:34">In the second phase, the raw text contents of paragraphs and headings -are parsed into sequences of Markdown inline elements (strings, -code spans, links, emphasis, and so on), using the map of link -references constructed in phase 1.</p> -</li> -</ol> -<p data-sourcepos="10015:1-10022:17" dir="auto">At each point in processing, the document is represented as a tree of -<strong>blocks</strong>. The root of the tree is a <code>document</code> block. The <code>document</code> -may have any number of other blocks as <strong>children</strong>. These children -may, in turn, have other blocks as children. The last child of a block -is normally considered <strong>open</strong>, meaning that subsequent lines of input -can alter its contents. (Blocks that are not open are <strong>closed</strong>.) -Here, for example, is a possible document tree, with the open blocks -marked by arrows:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="10024:1-10036:3" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="tree" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">-> document</span> -<span id="LC2" class="line" lang="plaintext"> -> block_quote</span> -<span id="LC3" class="line" lang="plaintext"> paragraph</span> -<span id="LC4" class="line" lang="plaintext"> "Lorem ipsum dolor\nsit amet."</span> -<span id="LC5" class="line" lang="plaintext"> -> list (type=bullet tight=true bullet_char=-)</span> -<span id="LC6" class="line" lang="plaintext"> list_item</span> -<span id="LC7" class="line" lang="plaintext"> paragraph</span> -<span id="LC8" class="line" lang="plaintext"> "Qui *quodsi iracundia*"</span> -<span id="LC9" class="line" lang="plaintext"> -> list_item</span> -<span id="LC10" class="line" lang="plaintext"> -> paragraph</span> -<span id="LC11" class="line" lang="plaintext"> "aliquando id"</span></code></pre> -<copy-code></copy-code> -</div> -<h2 data-sourcepos="10038:1-10038:27" dir="auto"> -<a id="user-content-phase-1-block-structure" class="anchor" href="#phase-1-block-structure" aria-hidden="true"></a>Phase 1: block structure</h2> -<p data-sourcepos="10040:1-10042:37" dir="auto">Each line that is processed has an effect on this tree. The line is -analyzed and, depending on its contents, the document may be altered -in one or more of the following ways:</p> -<ol data-sourcepos="10044:1-10049:0" dir="auto"> -<li data-sourcepos="10044:1-10044:41">One or more open blocks may be closed.</li> -<li data-sourcepos="10045:1-10046:19">One or more new blocks may be created as children of the -last open block.</li> -<li data-sourcepos="10047:1-10049:0">Text may be added to the last (deepest) open block remaining -on the tree.</li> -</ol> -<p data-sourcepos="10050:1-10051:54" dir="auto">Once a line has been incorporated into the tree in this way, -it can be discarded, so input can be read in a stream.</p> -<p data-sourcepos="10053:1-10053:40" dir="auto">For each line, we follow this procedure:</p> -<ol data-sourcepos="10055:1-10074:0" dir="auto"> -<li data-sourcepos="10055:1-10063:0"> -<p data-sourcepos="10055:4-10062:25">First we iterate through the open blocks, starting with the -root document, and descending through last children down to the last -open block. Each block imposes a condition that the line must satisfy -if the block is to remain open. For example, a block quote requires a -<code>></code> character. A paragraph requires a non-blank line. -In this phase we may match all or just some of the open -blocks. But we cannot close unmatched blocks yet, because we may have a -[lazy continuation line].</p> -</li> -<li data-sourcepos="10064:1-10069:0"> -<p data-sourcepos="10064:5-10068:14">Next, after consuming the continuation markers for existing -blocks, we look for new block starts (e.g. <code>></code> for a block quote). -If we encounter a new block start, we close any blocks unmatched -in step 1 before creating the new block as a child of the last -matched block.</p> -</li> -<li data-sourcepos="10070:1-10074:0"> -<p data-sourcepos="10070:5-10073:54">Finally, we look at the remainder of the line (after block -markers like <code>></code>, list markers, and indentation have been consumed). -This is text that can be incorporated into the last open -block (a paragraph, code block, heading, or raw HTML).</p> -</li> -</ol> -<p data-sourcepos="10075:1-10076:37" dir="auto">Setext headings are formed when we see a line of a paragraph -that is a [setext heading underline].</p> -<p data-sourcepos="10078:1-10081:17" dir="auto">Reference link definitions are detected when a paragraph is closed; -the accumulated text lines are parsed to see if they begin with -one or more reference link definitions. Any remainder becomes a -normal paragraph.</p> -<p data-sourcepos="10083:1-10084:36" dir="auto">We can see how this works by considering how the tree above is -generated by four lines of Markdown:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="10086:1-10091:3" class="code highlight js-syntax-highlight language-markdown" lang="markdown" v-pre="true"><code><span id="LC1" class="line" lang="markdown"><span class="gt">> Lorem ipsum dolor</span></span> -<span id="LC2" class="line" lang="markdown">sit amet.</span> -<span id="LC3" class="line" lang="markdown"><span class="gt">> - Qui *quodsi iracundia*</span></span> -<span id="LC4" class="line" lang="markdown"><span class="gt">> - aliquando id</span></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="10093:1-10093:41" dir="auto">At the outset, our document model is just</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="10095:1-10097:3" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="tree" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">-> document</span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="10099:1-10099:27" dir="auto">The first line of our text,</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="10101:1-10103:3" class="code highlight js-syntax-highlight language-markdown" lang="markdown" v-pre="true"><code><span id="LC1" class="line" lang="markdown"><span class="gt">> Lorem ipsum dolor</span></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="10105:1-10108:23" dir="auto">causes a <code>block_quote</code> block to be created as a child of our -open <code>document</code> block, and a <code>paragraph</code> block as a child of -the <code>block_quote</code>. Then the text is added to the last open -block, the <code>paragraph</code>:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="10110:1-10115:3" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="tree" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">-> document</span> -<span id="LC2" class="line" lang="plaintext"> -> block_quote</span> -<span id="LC3" class="line" lang="plaintext"> -> paragraph</span> -<span id="LC4" class="line" lang="plaintext"> "Lorem ipsum dolor"</span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="10117:1-10117:14" dir="auto">The next line,</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="10119:1-10121:3" class="code highlight js-syntax-highlight language-markdown" lang="markdown" v-pre="true"><code><span id="LC1" class="line" lang="markdown">sit amet.</span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="10123:1-10124:24" dir="auto">is a "lazy continuation" of the open <code>paragraph</code>, so it gets added -to the paragraph's text:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="10126:1-10131:3" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="tree" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">-> document</span> -<span id="LC2" class="line" lang="plaintext"> -> block_quote</span> -<span id="LC3" class="line" lang="plaintext"> -> paragraph</span> -<span id="LC4" class="line" lang="plaintext"> "Lorem ipsum dolor\nsit amet."</span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="10133:1-10133:15" dir="auto">The third line,</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="10135:1-10137:3" class="code highlight js-syntax-highlight language-markdown" lang="markdown" v-pre="true"><code><span id="LC1" class="line" lang="markdown"><span class="gt">> - Qui *quodsi iracundia*</span></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="10139:1-10142:64" dir="auto">causes the <code>paragraph</code> block to be closed, and a new <code>list</code> block -opened as a child of the <code>block_quote</code>. A <code>list_item</code> is also -added as a child of the <code>list</code>, and a <code>paragraph</code> as a child of -the <code>list_item</code>. The text is then added to the new <code>paragraph</code>:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="10144:1-10153:3" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="tree" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">-> document</span> -<span id="LC2" class="line" lang="plaintext"> -> block_quote</span> -<span id="LC3" class="line" lang="plaintext"> paragraph</span> -<span id="LC4" class="line" lang="plaintext"> "Lorem ipsum dolor\nsit amet."</span> -<span id="LC5" class="line" lang="plaintext"> -> list (type=bullet tight=true bullet_char=-)</span> -<span id="LC6" class="line" lang="plaintext"> -> list_item</span> -<span id="LC7" class="line" lang="plaintext"> -> paragraph</span> -<span id="LC8" class="line" lang="plaintext"> "Qui *quodsi iracundia*"</span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="10155:1-10155:16" dir="auto">The fourth line,</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="10157:1-10159:3" class="code highlight js-syntax-highlight language-markdown" lang="markdown" v-pre="true"><code><span id="LC1" class="line" lang="markdown"><span class="gt">> - aliquando id</span></span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="10161:1-10164:30" dir="auto">causes the <code>list_item</code> (and its child the <code>paragraph</code>) to be closed, -and a new <code>list_item</code> opened up as child of the <code>list</code>. A <code>paragraph</code> -is added as a child of the new <code>list_item</code>, to contain the text. -We thus obtain the final tree:</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="10166:1-10178:3" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="tree" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">-> document</span> -<span id="LC2" class="line" lang="plaintext"> -> block_quote</span> -<span id="LC3" class="line" lang="plaintext"> paragraph</span> -<span id="LC4" class="line" lang="plaintext"> "Lorem ipsum dolor\nsit amet."</span> -<span id="LC5" class="line" lang="plaintext"> -> list (type=bullet tight=true bullet_char=-)</span> -<span id="LC6" class="line" lang="plaintext"> list_item</span> -<span id="LC7" class="line" lang="plaintext"> paragraph</span> -<span id="LC8" class="line" lang="plaintext"> "Qui *quodsi iracundia*"</span> -<span id="LC9" class="line" lang="plaintext"> -> list_item</span> -<span id="LC10" class="line" lang="plaintext"> -> paragraph</span> -<span id="LC11" class="line" lang="plaintext"> "aliquando id"</span></code></pre> -<copy-code></copy-code> -</div> -<h2 data-sourcepos="10180:1-10180:28" dir="auto"> -<a id="user-content-phase-2-inline-structure" class="anchor" href="#phase-2-inline-structure" aria-hidden="true"></a>Phase 2: inline structure</h2> -<p data-sourcepos="10182:1-10182:66" dir="auto">Once all of the input has been parsed, all open blocks are closed.</p> -<p data-sourcepos="10184:1-10187:33" dir="auto">We then "walk the tree," visiting every node, and parse raw -string contents of paragraphs and headings as inlines. At this -point we have seen all the link reference definitions, so we can -resolve reference links as we go.</p> -<div class="gl-relative markdown-code-block js-markdown-code"> -<pre data-sourcepos="10189:1-10205:3" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="tree" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">document</span> -<span id="LC2" class="line" lang="plaintext"> block_quote</span> -<span id="LC3" class="line" lang="plaintext"> paragraph</span> -<span id="LC4" class="line" lang="plaintext"> str "Lorem ipsum dolor"</span> -<span id="LC5" class="line" lang="plaintext"> softbreak</span> -<span id="LC6" class="line" lang="plaintext"> str "sit amet."</span> -<span id="LC7" class="line" lang="plaintext"> list (type=bullet tight=true bullet_char=-)</span> -<span id="LC8" class="line" lang="plaintext"> list_item</span> -<span id="LC9" class="line" lang="plaintext"> paragraph</span> -<span id="LC10" class="line" lang="plaintext"> str "Qui "</span> -<span id="LC11" class="line" lang="plaintext"> emph</span> -<span id="LC12" class="line" lang="plaintext"> str "quodsi iracundia"</span> -<span id="LC13" class="line" lang="plaintext"> list_item</span> -<span id="LC14" class="line" lang="plaintext"> paragraph</span> -<span id="LC15" class="line" lang="plaintext"> str "aliquando id"</span></code></pre> -<copy-code></copy-code> -</div> -<p data-sourcepos="10207:1-10209:22" dir="auto">Notice how the [line ending] in the first paragraph has -been parsed as a <code>softbreak</code>, and the asterisks in the first list item -have become an <code>emph</code>.</p> -<h3 data-sourcepos="10211:1-10211:54" dir="auto"> -<a id="user-content-an-algorithm-for-parsing-nested-emphasis-and-links" class="anchor" href="#an-algorithm-for-parsing-nested-emphasis-and-links" aria-hidden="true"></a>An algorithm for parsing nested emphasis and links</h3> -<p data-sourcepos="10213:1-10215:10" dir="auto">By far the trickiest part of inline parsing is handling emphasis, -strong emphasis, links, and images. This is done using the following -algorithm.</p> -<p data-sourcepos="10217:1-10217:44" dir="auto">When we're parsing inlines and we hit either</p> -<ul data-sourcepos="10219:1-10221:0" dir="auto"> -<li data-sourcepos="10219:1-10219:36">a run of <code>*</code> or <code>_</code> characters, or</li> -<li data-sourcepos="10220:1-10221:0">a <code>[</code> or <code>![</code> -</li> -</ul> -<p data-sourcepos="10222:1-10223:60" dir="auto">we insert a text node with these symbols as its literal content, and we -add a pointer to this text node to the <a href="@">delimiter stack</a>.</p> -<p data-sourcepos="10225:1-10226:65" dir="auto">The [delimiter stack] is a doubly linked list. Each -element contains a pointer to a text node, plus information about</p> -<ul data-sourcepos="10228:1-10234:0" dir="auto"> -<li data-sourcepos="10228:1-10228:45">the type of delimiter (<code>[</code>, <code>![</code>, <code>*</code>, <code>_</code>)</li> -<li data-sourcepos="10229:1-10229:27">the number of delimiters,</li> -<li data-sourcepos="10230:1-10230:66">whether the delimiter is "active" (all are active to start), and</li> -<li data-sourcepos="10231:1-10234:0">whether the delimiter is a potential opener, a potential closer, -or both (which depends on what sort of characters precede -and follow the delimiters).</li> -</ul> -<p data-sourcepos="10235:1-10236:22" dir="auto">When we hit a <code>]</code> character, we call the <em>look for link or image</em> -procedure (see below).</p> -<p data-sourcepos="10238:1-10239:50" dir="auto">When we hit the end of the input, we call the <em>process emphasis</em> -procedure (see below), with <code>stack_bottom</code> = NULL.</p> -<h4 data-sourcepos="10241:1-10241:29" dir="auto"> -<a id="user-content-look-for-link-or-image" class="anchor" href="#look-for-link-or-image" aria-hidden="true"></a><em>look for link or image</em> -</h4> -<p data-sourcepos="10243:1-10244:55" dir="auto">Starting at the top of the delimiter stack, we look backwards -through the stack for an opening <code>[</code> or <code>![</code> delimiter.</p> -<ul data-sourcepos="10246:1-10271:0" dir="auto"> -<li data-sourcepos="10246:1-10247:0"> -<p data-sourcepos="10246:3-10246:58">If we don't find one, we return a literal text node <code>]</code>.</p> -</li> -<li data-sourcepos="10248:1-10250:0"> -<p data-sourcepos="10248:3-10249:63">If we do find one, but it's not <em>active</em>, we remove the inactive -delimiter from the stack, and return a literal text node <code>]</code>.</p> -</li> -<li data-sourcepos="10251:1-10271:0"> -<p data-sourcepos="10251:3-10253:47">If we find one and it's active, then we parse ahead to see if -we have an inline link/image, reference link/image, compact reference -link/image, or shortcut reference link/image.</p> -<ul data-sourcepos="10255:3-10271:0"> -<li data-sourcepos="10255:3-10257:0"> -<p data-sourcepos="10255:5-10256:55">If we don't, then we remove the opening delimiter from the -delimiter stack and return a literal text node <code>]</code>.</p> -</li> -<li data-sourcepos="10258:3-10271:0"> -<p data-sourcepos="10258:5-10258:18">If we do, then</p> -<ul data-sourcepos="10260:5-10271:0"> -<li data-sourcepos="10260:5-10262:0"> -<p data-sourcepos="10260:7-10261:62">We return a link or image node whose children are the inlines -after the text node pointed to by the opening delimiter.</p> -</li> -<li data-sourcepos="10263:5-10265:0"> -<p data-sourcepos="10263:7-10264:24">We run <em>process emphasis</em> on these inlines, with the <code>[</code> opener -as <code>stack_bottom</code>.</p> -</li> -<li data-sourcepos="10266:5-10267:0"> -<p data-sourcepos="10266:7-10266:38">We remove the opening delimiter.</p> -</li> -<li data-sourcepos="10268:5-10271:0"> -<p data-sourcepos="10268:7-10270:55">If we have a link (and not an image), we also set all -<code>[</code> delimiters before the opening delimiter to <em>inactive</em>. (This -will prevent us from getting links within links.)</p> -</li> -</ul> -</li> -</ul> -</li> -</ul> -<h4 data-sourcepos="10272:1-10272:23" dir="auto"> -<a id="user-content-process-emphasis" class="anchor" href="#process-emphasis" aria-hidden="true"></a><em>process emphasis</em> -</h4> -<p data-sourcepos="10274:1-10277:24" dir="auto">Parameter <code>stack_bottom</code> sets a lower bound to how far we -descend in the [delimiter stack]. If it is NULL, we can -go all the way to the bottom. Otherwise, we stop before -visiting <code>stack_bottom</code>.</p> -<p data-sourcepos="10279:1-10281:9" dir="auto">Let <code>current_position</code> point to the element on the [delimiter stack] -just above <code>stack_bottom</code> (or the first element if <code>stack_bottom</code> -is NULL).</p> -<p data-sourcepos="10283:1-10285:47" dir="auto">We keep track of the <code>openers_bottom</code> for each delimiter -type (<code>*</code>, <code>_</code>) and each length of the closing delimiter run -(modulo 3). Initialize this to <code>stack_bottom</code>.</p> -<p data-sourcepos="10287:1-10288:8" dir="auto">Then we repeat the following until we run out of potential -closers:</p> -<ul data-sourcepos="10290:1-10328:0" dir="auto"> -<li data-sourcepos="10290:1-10294:0"> -<p data-sourcepos="10290:3-10293:65">Move <code>current_position</code> forward in the delimiter stack (if needed) -until we find the first potential closer with delimiter <code>*</code> or <code>_</code>. -(This will be the potential closer closest -to the beginning of the input -- the first one in parse order.)</p> -</li> -<li data-sourcepos="10295:1-10298:0"> -<p data-sourcepos="10295:3-10297:68">Now, look back in the stack (staying above <code>stack_bottom</code> and -the <code>openers_bottom</code> for this delimiter type) for the -first matching potential opener ("matching" means same delimiter).</p> -</li> -<li data-sourcepos="10299:1-10316:0"> -<p data-sourcepos="10299:3-10299:18">If one is found:</p> -<ul data-sourcepos="10301:3-10316:0"> -<li data-sourcepos="10301:3-10304:0"> -<p data-sourcepos="10301:5-10303:30">Figure out whether we have emphasis or strong emphasis: -if both closer and opener spans have length >= 2, we have -strong, otherwise regular.</p> -</li> -<li data-sourcepos="10305:3-10307:0"> -<p data-sourcepos="10305:5-10306:46">Insert an emph or strong emph node accordingly, after -the text node corresponding to the opener.</p> -</li> -<li data-sourcepos="10308:3-10310:0"> -<p data-sourcepos="10308:5-10309:24">Remove any delimiters between the opener and closer from -the delimiter stack.</p> -</li> -<li data-sourcepos="10311:3-10316:0"> -<p data-sourcepos="10311:5-10315:56">Remove 1 (for regular emph) or 2 (for strong emph) delimiters -from the opening and closing text nodes. If they become empty -as a result, remove them and remove the corresponding element -of the delimiter stack. If the closing node is removed, reset -<code>current_position</code> to the next element in the stack.</p> -</li> -</ul> -</li> -<li data-sourcepos="10317:1-10328:0"> -<p data-sourcepos="10317:3-10317:19">If none is found:</p> -<ul data-sourcepos="10319:3-10328:0"> -<li data-sourcepos="10319:3-10322:0"> -<p data-sourcepos="10319:5-10321:73">Set <code>openers_bottom</code> to the element before <code>current_position</code>. -(We know that there are no openers for this kind of closer up to and -including this point, so this puts a lower bound on future searches.)</p> -</li> -<li data-sourcepos="10323:3-10326:0"> -<p data-sourcepos="10323:5-10325:24">If the closer at <code>current_position</code> is not a potential opener, -remove it from the delimiter stack (since we know it can't -be a closer either).</p> -</li> -<li data-sourcepos="10327:3-10328:0"> -<p data-sourcepos="10327:5-10327:64">Advance <code>current_position</code> to the next element in the stack.</p> -</li> -</ul> -</li> -</ul> -<p data-sourcepos="10329:1-10330:16" dir="auto">After we're done, we remove all delimiters above <code>stack_bottom</code> from the -delimiter stack.</p> diff --git a/glfm_specification/example_snapshots/examples_index.yml b/glfm_specification/output_example_snapshots/examples_index.yml index c0739912399..45d10679a71 100644 --- a/glfm_specification/example_snapshots/examples_index.yml +++ b/glfm_specification/output_example_snapshots/examples_index.yml @@ -1,2086 +1,2086 @@ --- 02_01_00__preliminaries__tabs__001: - 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spec_txt_example_position: 693 + spec_example_position: 693 source_specification: gitlab 08_03_00__gitlab_internal_extension_markdown__markdown_preview_api_request_overrides__003: - spec_txt_example_position: 694 + spec_example_position: 694 source_specification: gitlab 08_03_00__gitlab_internal_extension_markdown__markdown_preview_api_request_overrides__004: - spec_txt_example_position: 695 + spec_example_position: 695 source_specification: gitlab 08_03_00__gitlab_internal_extension_markdown__markdown_preview_api_request_overrides__005: - spec_txt_example_position: 696 + spec_example_position: 696 source_specification: gitlab 08_03_00__gitlab_internal_extension_markdown__markdown_preview_api_request_overrides__006: - spec_txt_example_position: 697 + spec_example_position: 697 source_specification: gitlab diff --git a/glfm_specification/example_snapshots/html.yml b/glfm_specification/output_example_snapshots/html.yml index ef2ba39f925..bdd0777ce17 100644 --- a/glfm_specification/example_snapshots/html.yml +++ b/glfm_specification/output_example_snapshots/html.yml @@ -2,22 +2,22 @@ 02_01_00__preliminaries__tabs__001: canonical: "<pre><code>foo\tbaz\t\tbim\n</code></pre>\n" static: "<div class=\"gl-relative markdown-code-block js-markdown-code\">\n<pre - data-sourcepos=\"1:2-1:13\" class=\"code highlight js-syntax-highlight language-plaintext\" - lang=\"plaintext\" data-canonical-lang=\"\" v-pre=\"true\"><code><span id=\"LC1\" + data-sourcepos=\"1:2-1:13\" lang=\"plaintext\" class=\"code highlight js-syntax-highlight + language-plaintext\" data-canonical-lang=\"\" v-pre=\"true\"><code><span id=\"LC1\" class=\"line\" lang=\"plaintext\">foo\tbaz\t\tbim</span></code></pre>\n<copy-code></copy-code>\n</div>" wysiwyg: "<pre class=\"content-editor-code-block undefined code highlight\"><code>foo\tbaz\t\tbim</code></pre>" 02_01_00__preliminaries__tabs__002: canonical: "<pre><code>foo\tbaz\t\tbim\n</code></pre>\n" static: "<div class=\"gl-relative markdown-code-block js-markdown-code\">\n<pre - data-sourcepos=\"1:4-1:15\" class=\"code highlight js-syntax-highlight language-plaintext\" - lang=\"plaintext\" data-canonical-lang=\"\" v-pre=\"true\"><code><span id=\"LC1\" + data-sourcepos=\"1:4-1:15\" lang=\"plaintext\" class=\"code highlight js-syntax-highlight + language-plaintext\" data-canonical-lang=\"\" v-pre=\"true\"><code><span id=\"LC1\" class=\"line\" lang=\"plaintext\">foo\tbaz\t\tbim</span></code></pre>\n<copy-code></copy-code>\n</div>" wysiwyg: "<pre class=\"content-editor-code-block undefined code highlight\"><code>foo\tbaz\t\tbim</code></pre>" 02_01_00__preliminaries__tabs__003: canonical: "<pre><code>a\ta\nὐ\ta\n</code></pre>\n" static: "<div class=\"gl-relative markdown-code-block js-markdown-code\">\n<pre - data-sourcepos=\"1:5-2:9\" class=\"code highlight js-syntax-highlight language-plaintext\" - lang=\"plaintext\" data-canonical-lang=\"\" v-pre=\"true\"><code><span id=\"LC1\" + data-sourcepos=\"1:5-2:9\" lang=\"plaintext\" class=\"code highlight js-syntax-highlight + language-plaintext\" data-canonical-lang=\"\" v-pre=\"true\"><code><span id=\"LC1\" class=\"line\" lang=\"plaintext\">a\ta</span>\n<span id=\"LC2\" class=\"line\" lang=\"plaintext\">ὐ\ta</span></code></pre>\n<copy-code></copy-code>\n</div>" wysiwyg: "<pre class=\"content-editor-code-block undefined code highlight\"><code>a\ta\nὐ\ta</code></pre>" @@ -52,7 +52,7 @@ <li data-sourcepos="1:1-3:5"> <p data-sourcepos="1:3-1:5">foo</p> <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="3:2-3:5" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> bar</span></code></pre> + <pre data-sourcepos="3:2-3:5" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> bar</span></code></pre> <copy-code></copy-code> </div> </li> @@ -68,7 +68,7 @@ static: |- <blockquote data-sourcepos="1:1-1:6" dir="auto"> <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="1:3-1:6" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> foo</span></code></pre> + <pre data-sourcepos="1:3-1:6" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> foo</span></code></pre> <copy-code></copy-code> </div> </blockquote> @@ -86,7 +86,7 @@ <ul data-sourcepos="1:1-1:6" dir="auto"> <li data-sourcepos="1:1-1:6"> <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="1:3-1:6" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> foo</span></code></pre> + <pre data-sourcepos="1:3-1:6" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> foo</span></code></pre> <copy-code></copy-code> </div> </li> @@ -100,7 +100,7 @@ </code></pre> static: |- <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="1:5-2:4" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo</span> + <pre data-sourcepos="1:5-2:4" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo</span> <span id="LC2" class="line" lang="plaintext">bar</span></code></pre> <copy-code></copy-code> </div> @@ -221,7 +221,7 @@ </code></pre> static: |- <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="1:5-1:7" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">***</span></code></pre> + <pre data-sourcepos="1:5-1:7" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">***</span></code></pre> <copy-code></copy-code> </div> wysiwyg: |- @@ -464,7 +464,7 @@ </code></pre> static: |- <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="1:5-1:9" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"># foo</span></code></pre> + <pre data-sourcepos="1:5-1:9" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"># foo</span></code></pre> <copy-code></copy-code> </div> wysiwyg: |- @@ -661,7 +661,7 @@ <hr /> static: |- <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="1:5-4:7" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">Foo</span> + <pre data-sourcepos="1:5-4:7" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">Foo</span> <span id="LC2" class="line" lang="plaintext">---</span> <span id="LC3" class="line" lang="plaintext"></span> <span id="LC4" class="line" lang="plaintext">Foo</span></code></pre> @@ -806,7 +806,7 @@ <p>Baz</p> static: |- <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="1:1-3:3" class="code highlight js-syntax-highlight language-yaml" lang="yaml" data-lang-params="frontmatter" v-pre="true"><code><span id="LC1" class="line" lang="yaml"><span class="s">Foo</span></span></code></pre> + <pre data-sourcepos="1:1-3:3" lang="yaml" class="code highlight js-syntax-highlight language-yaml" data-lang-params="frontmatter" v-pre="true"><code><span id="LC1" class="line" lang="yaml"><span class="s">Foo</span></span></code></pre> <copy-code></copy-code> </div> <h2 data-sourcepos="4:1-6:3" dir="auto"> @@ -829,7 +829,7 @@ <hr /> static: |- <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="1:1-2:3" class="code highlight js-syntax-highlight language-yaml" lang="yaml" data-lang-params="frontmatter" v-pre="true"><code></code></pre> + <pre data-sourcepos="1:1-2:3" lang="yaml" class="code highlight js-syntax-highlight language-yaml" data-lang-params="frontmatter" v-pre="true"><code></code></pre> <copy-code></copy-code> </div> wysiwyg: |- @@ -855,7 +855,7 @@ <hr /> static: |- <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="1:5-1:7" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo</span></code></pre> + <pre data-sourcepos="1:5-1:7" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo</span></code></pre> <copy-code></copy-code> </div> <hr data-sourcepos="2:1-2:3"> @@ -953,7 +953,7 @@ </code></pre> static: |- <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="1:5-2:25" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">a simple</span> + <pre data-sourcepos="1:5-2:25" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">a simple</span> <span id="LC2" class="line" lang="plaintext"> indented code block</span></code></pre> <copy-code></copy-code> </div> @@ -1007,7 +1007,7 @@ </code></pre> static: |- <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="1:5-4:9" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><a/></span> + <pre data-sourcepos="1:5-4:9" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><a/></span> <span id="LC2" class="line" lang="plaintext">*hi*</span> <span id="LC3" class="line" lang="plaintext"></span> <span id="LC4" class="line" lang="plaintext">- one</span></code></pre> @@ -1030,7 +1030,7 @@ </code></pre> static: |- <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="1:5-7:10" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">chunk1</span> + <pre data-sourcepos="1:5-7:10" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">chunk1</span> <span id="LC2" class="line" lang="plaintext"></span> <span id="LC3" class="line" lang="plaintext">chunk2</span> <span id="LC4" class="line" lang="plaintext"></span> @@ -1051,7 +1051,7 @@ canonical: "<pre><code>chunk1\n \n chunk2\n</code></pre>\n" static: |- <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="1:5-3:12" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">chunk1</span> + <pre data-sourcepos="1:5-3:12" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">chunk1</span> <span id="LC2" class="line" lang="plaintext"> </span> <span id="LC3" class="line" lang="plaintext"> chunk2</span></code></pre> <copy-code></copy-code> @@ -1075,7 +1075,7 @@ <p>bar</p> static: |- <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="1:5-1:7" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo</span></code></pre> + <pre data-sourcepos="1:5-1:7" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo</span></code></pre> <copy-code></copy-code> </div> <p data-sourcepos="2:1-2:3" dir="auto">bar</p> @@ -1095,13 +1095,13 @@ <h1 data-sourcepos="1:1-1:9" dir="auto"> <a id="user-content-heading" class="anchor" href="#heading" aria-hidden="true"></a>Heading</h1> <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="2:5-2:7" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo</span></code></pre> + <pre data-sourcepos="2:5-2:7" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo</span></code></pre> <copy-code></copy-code> </div> <h2 data-sourcepos="3:1-5:7" dir="auto"> <a id="user-content-heading-1" class="anchor" href="#heading-1" aria-hidden="true"></a>Heading</h2> <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="5:5-5:7" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo</span></code></pre> + <pre data-sourcepos="5:5-5:7" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo</span></code></pre> <copy-code></copy-code> </div> <hr data-sourcepos="6:1-6:4"> @@ -1118,7 +1118,7 @@ </code></pre> static: |- <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="1:5-2:7" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> foo</span> + <pre data-sourcepos="1:5-2:7" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> foo</span> <span id="LC2" class="line" lang="plaintext">bar</span></code></pre> <copy-code></copy-code> </div> @@ -1131,7 +1131,7 @@ </code></pre> static: |- <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="3:5-5:0" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo</span></code></pre> + <pre data-sourcepos="3:5-5:0" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo</span></code></pre> <copy-code></copy-code> </div> wysiwyg: |- @@ -1140,7 +1140,7 @@ canonical: "<pre><code>foo \n</code></pre>\n" static: |- <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="1:5-1:9" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo </span></code></pre> + <pre data-sourcepos="1:5-1:9" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo </span></code></pre> <copy-code></copy-code> </div> wysiwyg: |- @@ -1152,7 +1152,7 @@ </code></pre> static: |- <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="1:1-4:3" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><</span> + <pre data-sourcepos="1:1-4:3" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><</span> <span id="LC2" class="line" lang="plaintext"> ></span></code></pre> <copy-code></copy-code> </div> @@ -1166,7 +1166,7 @@ </code></pre> static: |- <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="1:1-4:3" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><</span> + <pre data-sourcepos="1:1-4:3" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><</span> <span id="LC2" class="line" lang="plaintext"> ></span></code></pre> <copy-code></copy-code> </div> @@ -1187,7 +1187,7 @@ </code></pre> static: |- <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="1:1-4:3" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">aaa</span> + <pre data-sourcepos="1:1-4:3" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">aaa</span> <span id="LC2" class="line" lang="plaintext">~~~</span></code></pre> <copy-code></copy-code> </div> @@ -1201,7 +1201,7 @@ </code></pre> static: |- <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="1:1-4:3" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">aaa</span> + <pre data-sourcepos="1:1-4:3" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">aaa</span> <span id="LC2" class="line" lang="plaintext">```</span></code></pre> <copy-code></copy-code> </div> @@ -1215,7 +1215,7 @@ </code></pre> static: |- <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="1:1-4:6" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">aaa</span> + <pre data-sourcepos="1:1-4:6" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">aaa</span> <span id="LC2" class="line" lang="plaintext">```</span></code></pre> <copy-code></copy-code> </div> @@ -1229,7 +1229,7 @@ </code></pre> static: |- <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="1:1-4:4" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">aaa</span> + <pre data-sourcepos="1:1-4:4" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">aaa</span> <span id="LC2" class="line" lang="plaintext">~~~</span></code></pre> <copy-code></copy-code> </div> @@ -1241,7 +1241,7 @@ <pre><code></code></pre> static: |- <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="1:1-1:3" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code></code></pre> + <pre data-sourcepos="1:1-1:3" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code></code></pre> <copy-code></copy-code> </div> wysiwyg: |- @@ -1254,7 +1254,7 @@ </code></pre> static: |- <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="1:1-4:3" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"></span> + <pre data-sourcepos="1:1-4:3" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"></span> <span id="LC2" class="line" lang="plaintext">```</span> <span id="LC3" class="line" lang="plaintext">aaa</span></code></pre> <copy-code></copy-code> @@ -1273,7 +1273,7 @@ static: |- <blockquote data-sourcepos="1:1-2:5" dir="auto"> <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="1:3-3:0" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">aaa</span></code></pre> + <pre data-sourcepos="1:3-3:0" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">aaa</span></code></pre> <copy-code></copy-code> </div> </blockquote> @@ -1285,7 +1285,7 @@ canonical: "<pre><code>\n \n</code></pre>\n" static: |- <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="1:1-4:3" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"></span> + <pre data-sourcepos="1:1-4:3" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"></span> <span id="LC2" class="line" lang="plaintext"> </span></code></pre> <copy-code></copy-code> </div> @@ -1296,7 +1296,7 @@ <pre><code></code></pre> static: |- <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="1:1-2:3" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code></code></pre> + <pre data-sourcepos="1:1-2:3" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code></code></pre> <copy-code></copy-code> </div> wysiwyg: |- @@ -1308,7 +1308,7 @@ </code></pre> static: |- <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="1:2-4:3" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">aaa</span> + <pre data-sourcepos="1:2-4:3" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">aaa</span> <span id="LC2" class="line" lang="plaintext">aaa</span></code></pre> <copy-code></copy-code> </div> @@ -1323,7 +1323,7 @@ </code></pre> static: |- <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="1:3-5:5" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">aaa</span> + <pre data-sourcepos="1:3-5:5" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">aaa</span> <span id="LC2" class="line" lang="plaintext">aaa</span> <span id="LC3" class="line" lang="plaintext">aaa</span></code></pre> <copy-code></copy-code> @@ -1340,7 +1340,7 @@ </code></pre> static: |- <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="1:4-5:6" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">aaa</span> + <pre data-sourcepos="1:4-5:6" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">aaa</span> <span id="LC2" class="line" lang="plaintext"> aaa</span> <span id="LC3" class="line" lang="plaintext">aaa</span></code></pre> <copy-code></copy-code> @@ -1357,7 +1357,7 @@ </code></pre> static: |- <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="1:5-3:7" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">```</span> + <pre data-sourcepos="1:5-3:7" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">```</span> <span id="LC2" class="line" lang="plaintext">aaa</span> <span id="LC3" class="line" lang="plaintext">```</span></code></pre> <copy-code></copy-code> @@ -1372,7 +1372,7 @@ </code></pre> static: |- <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="1:1-3:5" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">aaa</span></code></pre> + <pre data-sourcepos="1:1-3:5" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">aaa</span></code></pre> <copy-code></copy-code> </div> wysiwyg: |- @@ -1383,7 +1383,7 @@ </code></pre> static: |- <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="1:4-3:5" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">aaa</span></code></pre> + <pre data-sourcepos="1:4-3:5" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">aaa</span></code></pre> <copy-code></copy-code> </div> wysiwyg: |- @@ -1395,7 +1395,7 @@ </code></pre> static: |- <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="1:1-3:7" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">aaa</span> + <pre data-sourcepos="1:1-3:7" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">aaa</span> <span id="LC2" class="line" lang="plaintext"> ```</span></code></pre> <copy-code></copy-code> </div> @@ -1419,7 +1419,7 @@ </code></pre> static: |- <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="1:1-3:6" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">aaa</span> + <pre data-sourcepos="1:1-3:6" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">aaa</span> <span id="LC2" class="line" lang="plaintext">~~~ ~~</span></code></pre> <copy-code></copy-code> </div> @@ -1435,7 +1435,7 @@ static: |- <p data-sourcepos="1:1-1:3" dir="auto">foo</p> <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="2:1-4:3" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">bar</span></code></pre> + <pre data-sourcepos="2:1-4:3" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">bar</span></code></pre> <copy-code></copy-code> </div> <p data-sourcepos="5:1-5:3" dir="auto">baz</p> @@ -1453,7 +1453,7 @@ <h2 data-sourcepos="1:1-3:3" dir="auto"> <a id="user-content-foo" class="anchor" href="#foo" aria-hidden="true"></a>foo</h2> <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="3:1-5:3" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">bar</span></code></pre> + <pre data-sourcepos="3:1-5:3" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">bar</span></code></pre> <copy-code></copy-code> </div> <h1 data-sourcepos="6:1-6:5" dir="auto"> @@ -1470,7 +1470,7 @@ </code></pre> static: |- <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="1:1-5:3" class="code highlight js-syntax-highlight language-ruby" lang="ruby" v-pre="true"><code><span id="LC1" class="line" lang="ruby"><span class="k">def</span> <span class="nf">foo</span><span class="p">(</span><span class="n">x</span><span class="p">)</span></span> + <pre data-sourcepos="1:1-5:3" lang="ruby" class="code highlight js-syntax-highlight language-ruby" v-pre="true"><code><span id="LC1" class="line" lang="ruby"><span class="k">def</span> <span class="nf">foo</span><span class="p">(</span><span class="n">x</span><span class="p">)</span></span> <span id="LC2" class="line" lang="ruby"> <span class="k">return</span> <span class="mi">3</span></span> <span id="LC3" class="line" lang="ruby"><span class="k">end</span></span></code></pre> <copy-code></copy-code> @@ -1487,7 +1487,7 @@ </code></pre> static: |- <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="1:1-5:7" class="code highlight js-syntax-highlight language-ruby" lang="ruby" v-pre="true"><code><span id="LC1" class="line" lang="ruby"><span class="k">def</span> <span class="nf">foo</span><span class="p">(</span><span class="n">x</span><span class="p">)</span></span> + <pre data-sourcepos="1:1-5:7" lang="ruby" class="code highlight js-syntax-highlight language-ruby" v-pre="true"><code><span id="LC1" class="line" lang="ruby"><span class="k">def</span> <span class="nf">foo</span><span class="p">(</span><span class="n">x</span><span class="p">)</span></span> <span id="LC2" class="line" lang="ruby"> <span class="k">return</span> <span class="mi">3</span></span> <span id="LC3" class="line" lang="ruby"><span class="k">end</span></span></code></pre> <copy-code></copy-code> @@ -1501,7 +1501,7 @@ <pre><code class="language-;"></code></pre> static: |- <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="1:1-2:4" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang=";" v-pre="true"><code></code></pre> + <pre data-sourcepos="1:1-2:4" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang=";" v-pre="true"><code></code></pre> <copy-code></copy-code> </div> wysiwyg: |- @@ -1522,7 +1522,7 @@ </code></pre> static: |- <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="1:1-3:3" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="aa" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo</span></code></pre> + <pre data-sourcepos="1:1-3:3" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="aa" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo</span></code></pre> <copy-code></copy-code> </div> wysiwyg: |- @@ -1533,7 +1533,7 @@ </code></pre> static: |- <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="1:1-3:3" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">``` aaa</span></code></pre> + <pre data-sourcepos="1:1-3:3" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">``` aaa</span></code></pre> <copy-code></copy-code> </div> wysiwyg: |- @@ -1799,7 +1799,7 @@ <p>okay</p> static: |- <div class="gl-relative markdown-code-block js-markdown-code"> - <pre class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"></span> + <pre lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"></span> <span id="LC2" class="line" lang="plaintext">import Text.HTML.TagSoup</span> <span id="LC3" class="line" lang="plaintext"></span> <span id="LC4" class="line" lang="plaintext">main :: IO ()</span> @@ -1978,19 +1978,8 @@ } ]]> <p>okay</p> - static: |- - <![CDATA[ - function matchwo(a,b) - { - if (a < b && a < 0) then { - return 1; - - } else { + static: |2- - return 0; - } - } - ]]> <p data-sourcepos="13:1-13:4" dir="auto">okay</p> wysiwyg: |- <p>okay</p> @@ -2000,8 +1989,8 @@ <pre><code><!-- foo --> </code></pre> static: " \n<div class=\"gl-relative markdown-code-block js-markdown-code\">\n<pre - data-sourcepos=\"3:5-3:16\" class=\"code highlight js-syntax-highlight language-plaintext\" - lang=\"plaintext\" data-canonical-lang=\"\" v-pre=\"true\"><code><span id=\"LC1\" + data-sourcepos=\"3:5-3:16\" lang=\"plaintext\" class=\"code highlight js-syntax-highlight + language-plaintext\" data-canonical-lang=\"\" v-pre=\"true\"><code><span id=\"LC1\" class=\"line\" lang=\"plaintext\"><!-- foo --></span></code></pre>\n<copy-code></copy-code>\n</div>" wysiwyg: |- <pre class="content-editor-code-block undefined code highlight"><code><!-- foo --></code></pre> @@ -2013,7 +2002,7 @@ static: |2- <div> <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="3:5-3:9" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><div></span></code></pre> + <pre data-sourcepos="3:5-3:9" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><div></span></code></pre> <copy-code></copy-code> </div> </div> @@ -2124,7 +2113,7 @@ <table dir="auto"> <tr> <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="5:5-8:0" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><td></span> + <pre data-sourcepos="5:5-8:0" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><td></span> <span id="LC2" class="line" lang="plaintext"> Hi</span> <span id="LC3" class="line" lang="plaintext"></td></span></code></pre> <copy-code></copy-code> @@ -2317,7 +2306,7 @@ <p>[foo]</p> static: |- <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="1:5-2:0" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo]: /url "title"</span></code></pre> + <pre data-sourcepos="1:5-2:0" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo]: /url "title"</span></code></pre> <copy-code></copy-code> </div> <p data-sourcepos="3:1-3:5" dir="auto">[foo]</p> @@ -2331,7 +2320,7 @@ <p>[foo]</p> static: |- <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="1:1-3:3" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo]: /url</span></code></pre> + <pre data-sourcepos="1:1-3:3" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo]: /url</span></code></pre> <copy-code></copy-code> </div> <p data-sourcepos="5:1-5:5" dir="auto">[foo]</p> @@ -2500,7 +2489,7 @@ <p>bbb</p> static: |- <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="1:5-1:7" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">aaa</span></code></pre> + <pre data-sourcepos="1:5-1:7" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">aaa</span></code></pre> <copy-code></copy-code> </div> <p data-sourcepos="2:1-2:3" dir="auto">bbb</p> @@ -2847,7 +2836,7 @@ </code></pre> static: |- <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="1:5-3:9" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">> # Foo</span> + <pre data-sourcepos="1:5-3:9" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">> # Foo</span> <span id="LC2" class="line" lang="plaintext">> bar</span> <span id="LC3" class="line" lang="plaintext">> baz</span></code></pre> <copy-code></copy-code> @@ -2937,12 +2926,12 @@ static: |- <blockquote data-sourcepos="1:1-1:9" dir="auto"> <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="1:7-1:9" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo</span></code></pre> + <pre data-sourcepos="1:7-1:9" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo</span></code></pre> <copy-code></copy-code> </div> </blockquote> <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="2:5-2:7" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">bar</span></code></pre> + <pre data-sourcepos="2:5-2:7" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">bar</span></code></pre> <copy-code></copy-code> </div> wysiwyg: |- @@ -2958,13 +2947,13 @@ static: |- <blockquote data-sourcepos="1:1-1:5" dir="auto"> <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="1:3-2:3" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code></code></pre> + <pre data-sourcepos="1:3-2:3" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code></code></pre> <copy-code></copy-code> </div> </blockquote> <p data-sourcepos="2:1-2:3" dir="auto">foo</p> <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="3:1-3:3" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code></code></pre> + <pre data-sourcepos="3:1-3:3" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code></code></pre> <copy-code></copy-code> </div> wysiwyg: |- @@ -3195,7 +3184,7 @@ static: |- <blockquote data-sourcepos="1:1-1:10" dir="auto"> <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="1:7-1:10" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">code</span></code></pre> + <pre data-sourcepos="1:7-1:10" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">code</span></code></pre> <copy-code></copy-code> </div> </blockquote> @@ -3218,7 +3207,7 @@ <p data-sourcepos="1:1-2:15" dir="auto">A paragraph with two lines.</p> <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="4:5-5:0" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">indented code</span></code></pre> + <pre data-sourcepos="4:5-5:0" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">indented code</span></code></pre> <copy-code></copy-code> </div> <blockquote data-sourcepos="6:1-6:16" dir="auto"> @@ -3248,7 +3237,7 @@ <p data-sourcepos="1:5-2:19">A paragraph with two lines.</p> <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="4:9-5:0" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">indented code</span></code></pre> + <pre data-sourcepos="4:9-5:0" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">indented code</span></code></pre> <copy-code></copy-code> </div> <blockquote data-sourcepos="6:5-6:20"> @@ -3302,7 +3291,7 @@ <li data-sourcepos="1:2-2:0">one</li> </ul> <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="3:5-3:8" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> two</span></code></pre> + <pre data-sourcepos="3:5-3:8" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> two</span></code></pre> <copy-code></copy-code> </div> wysiwyg: |- @@ -3416,7 +3405,7 @@ <li data-sourcepos="1:1-9:9"> <p data-sourcepos="1:5-1:7">foo</p> <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="3:5-5:7" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">bar</span></code></pre> + <pre data-sourcepos="3:5-5:7" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">bar</span></code></pre> <copy-code></copy-code> </div> <p data-sourcepos="7:5-7:7">baz</p> @@ -3444,7 +3433,7 @@ <li data-sourcepos="1:1-6:9"> <p data-sourcepos="1:3-1:5">Foo</p> <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="3:7-6:9" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">bar</span> + <pre data-sourcepos="3:7-6:9" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">bar</span> <span id="LC2" class="line" lang="plaintext"></span> <span id="LC3" class="line" lang="plaintext"></span> <span id="LC4" class="line" lang="plaintext">baz</span></code></pre> @@ -3518,7 +3507,7 @@ <li data-sourcepos="1:1-3:9"> <p data-sourcepos="1:3-1:5">foo</p> <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="3:7-3:9" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">bar</span></code></pre> + <pre data-sourcepos="3:7-3:9" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">bar</span></code></pre> <copy-code></copy-code> </div> </li> @@ -3539,7 +3528,7 @@ <li data-sourcepos="1:3-3:14"> <p data-sourcepos="1:8-1:10">foo</p> <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="3:12-3:14" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">bar</span></code></pre> + <pre data-sourcepos="3:12-3:14" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">bar</span></code></pre> <copy-code></copy-code> </div> </li> @@ -3555,12 +3544,12 @@ </code></pre> static: |- <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="1:5-2:0" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">indented code</span></code></pre> + <pre data-sourcepos="1:5-2:0" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">indented code</span></code></pre> <copy-code></copy-code> </div> <p data-sourcepos="3:1-3:9" dir="auto">paragraph</p> <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="5:5-5:13" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">more code</span></code></pre> + <pre data-sourcepos="5:5-5:13" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">more code</span></code></pre> <copy-code></copy-code> </div> wysiwyg: |- @@ -3582,12 +3571,12 @@ <ol data-sourcepos="1:1-5:16" dir="auto"> <li data-sourcepos="1:1-5:16"> <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="1:8-2:0" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">indented code</span></code></pre> + <pre data-sourcepos="1:8-2:0" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">indented code</span></code></pre> <copy-code></copy-code> </div> <p data-sourcepos="3:4-3:12">paragraph</p> <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="5:8-5:16" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">more code</span></code></pre> + <pre data-sourcepos="5:8-5:16" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">more code</span></code></pre> <copy-code></copy-code> </div> </li> @@ -3609,12 +3598,12 @@ <ol data-sourcepos="1:1-5:16" dir="auto"> <li data-sourcepos="1:1-5:16"> <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="1:8-2:0" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> indented code</span></code></pre> + <pre data-sourcepos="1:8-2:0" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> indented code</span></code></pre> <copy-code></copy-code> </div> <p data-sourcepos="3:4-3:12">paragraph</p> <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="5:8-5:16" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">more code</span></code></pre> + <pre data-sourcepos="5:8-5:16" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">more code</span></code></pre> <copy-code></copy-code> </div> </li> @@ -3680,13 +3669,13 @@ <li data-sourcepos="1:1-2:5">foo</li> <li data-sourcepos="3:1-6:5"> <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="4:3-6:5" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">bar</span></code></pre> + <pre data-sourcepos="4:3-6:5" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">bar</span></code></pre> <copy-code></copy-code> </div> </li> <li data-sourcepos="7:1-8:9"> <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="8:7-8:9" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">baz</span></code></pre> + <pre data-sourcepos="8:7-8:9" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">baz</span></code></pre> <copy-code></copy-code> </div> </li> @@ -3814,7 +3803,7 @@ <p data-sourcepos="1:6-2:20">A paragraph with two lines.</p> <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="4:10-5:0" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">indented code</span></code></pre> + <pre data-sourcepos="4:10-5:0" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">indented code</span></code></pre> <copy-code></copy-code> </div> <blockquote data-sourcepos="6:6-6:21"> @@ -3844,7 +3833,7 @@ <p data-sourcepos="1:7-2:21">A paragraph with two lines.</p> <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="4:11-5:0" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">indented code</span></code></pre> + <pre data-sourcepos="4:11-5:0" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">indented code</span></code></pre> <copy-code></copy-code> </div> <blockquote data-sourcepos="6:7-6:22"> @@ -3874,7 +3863,7 @@ <p data-sourcepos="1:8-2:22">A paragraph with two lines.</p> <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="4:12-5:0" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">indented code</span></code></pre> + <pre data-sourcepos="4:12-5:0" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">indented code</span></code></pre> <copy-code></copy-code> </div> <blockquote data-sourcepos="6:8-6:23"> @@ -3896,7 +3885,7 @@ </code></pre> static: |- <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="1:5-6:24" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">1. A paragraph</span> + <pre data-sourcepos="1:5-6:24" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">1. A paragraph</span> <span id="LC2" class="line" lang="plaintext"> with two lines.</span> <span id="LC3" class="line" lang="plaintext"></span> <span id="LC4" class="line" lang="plaintext"> indented code</span> @@ -3930,7 +3919,7 @@ <p data-sourcepos="1:7-2:15">A paragraph with two lines.</p> <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="4:11-5:0" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">indented code</span></code></pre> + <pre data-sourcepos="4:11-5:0" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">indented code</span></code></pre> <copy-code></copy-code> </div> <blockquote data-sourcepos="6:7-6:22"> @@ -4356,7 +4345,7 @@ </ul> <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="9:5-9:8" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">code</span></code></pre> + <pre data-sourcepos="9:5-9:8" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">code</span></code></pre> <copy-code></copy-code> </div> wysiwyg: |- @@ -4454,7 +4443,7 @@ </li> </ol> <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="5:5-5:8" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">3. c</span></code></pre> + <pre data-sourcepos="5:5-5:8" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">3. c</span></code></pre> <copy-code></copy-code> </div> wysiwyg: |- @@ -4584,7 +4573,7 @@ <li data-sourcepos="1:1-1:3">a</li> <li data-sourcepos="2:1-6:5"> <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="2:3-6:5" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">b</span> + <pre data-sourcepos="2:3-6:5" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">b</span> <span id="LC2" class="line" lang="plaintext"></span> <span id="LC3" class="line" lang="plaintext"></span></code></pre> <copy-code></copy-code> @@ -4661,7 +4650,7 @@ <p data-sourcepos="2:5-2:5">b</p> </blockquote> <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="3:3-5:5" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">c</span></code></pre> + <pre data-sourcepos="3:3-5:5" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">c</span></code></pre> <copy-code></copy-code> </div> </li> @@ -4712,7 +4701,7 @@ <ol data-sourcepos="1:1-5:6" dir="auto"> <li data-sourcepos="1:1-5:6"> <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="1:4-3:6" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo</span></code></pre> + <pre data-sourcepos="1:4-3:6" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo</span></code></pre> <copy-code></copy-code> </div> <p data-sourcepos="5:4-5:6">bar</p> @@ -4859,7 +4848,7 @@ </code></pre> static: |- <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="1:5-1:8" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">\[\]</span></code></pre> + <pre data-sourcepos="1:5-1:8" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">\[\]</span></code></pre> <copy-code></copy-code> </div> wysiwyg: |- @@ -4870,7 +4859,7 @@ </code></pre> static: |- <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="1:1-3:3" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">\[\]</span></code></pre> + <pre data-sourcepos="1:1-3:3" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">\[\]</span></code></pre> <copy-code></copy-code> </div> wysiwyg: |- @@ -4910,7 +4899,7 @@ </code></pre> static: |- <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="1:1-3:3" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="foo+bar" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo</span></code></pre> + <pre data-sourcepos="1:1-3:3" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="foo+bar" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo</span></code></pre> <copy-code></copy-code> </div> wysiwyg: |- @@ -5000,7 +4989,7 @@ </code></pre> static: |- <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="1:1-3:3" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="föö" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo</span></code></pre> + <pre data-sourcepos="1:1-3:3" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="föö" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo</span></code></pre> <copy-code></copy-code> </div> wysiwyg: |- @@ -5018,7 +5007,7 @@ </code></pre> static: |- <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="1:5-1:18" class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">f&ouml;f&ouml;</span></code></pre> + <pre data-sourcepos="1:5-1:18" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">f&ouml;f&ouml;</span></code></pre> <copy-code></copy-code> </div> wysiwyg: |- @@ -7424,14 +7413,14 @@ canonical: | <p>foo <!ELEMENT br EMPTY></p> static: |- - <p data-sourcepos="1:1-1:23" dir="auto">foo <!ELEMENT br EMPTY></p> + <p data-sourcepos="1:1-1:23" dir="auto">foo </p> wysiwyg: |- <p>foo </p> 06_11_00__inlines__raw_html__018: canonical: | <p>foo <![CDATA[>&<]]></p> static: |- - <p data-sourcepos="1:1-1:19" dir="auto">foo <![CDATA[>&<]]></p> + <p data-sourcepos="1:1-1:19" dir="auto">foo &<]]></p> wysiwyg: |- <p>foo &<]]></p> 06_11_00__inlines__raw_html__019: @@ -7752,7 +7741,7 @@ </pre> static: |- <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="1:1-3:3" class="code highlight js-syntax-highlight language-yaml" lang="yaml" data-lang-params="frontmatter" v-pre="true"><code><span id="LC1" class="line" lang="yaml"><span class="na">title</span><span class="pi">:</span> <span class="s">YAML front matter</span></span></code></pre> + <pre data-sourcepos="1:1-3:3" lang="yaml" class="code highlight js-syntax-highlight language-yaml" data-lang-params="frontmatter" v-pre="true"><code><span id="LC1" class="line" lang="yaml"><span class="na">title</span><span class="pi">:</span> <span class="s">YAML front matter</span></span></code></pre> <copy-code></copy-code> </div> wysiwyg: |- @@ -7766,7 +7755,7 @@ </pre> static: |- <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="1:1-3:3" class="code highlight js-syntax-highlight language-toml" lang="toml" data-lang-params="frontmatter" v-pre="true"><code><span id="LC1" class="line" lang="toml"><span class="err">title:</span> <span class="err">TOML</span> <span class="err">front</span> <span class="err">matter</span></span></code></pre> + <pre data-sourcepos="1:1-3:3" lang="toml" class="code highlight js-syntax-highlight language-toml" data-lang-params="frontmatter" v-pre="true"><code><span id="LC1" class="line" lang="toml"><span class="err">title:</span> <span class="err">TOML</span> <span class="err">front</span> <span class="err">matter</span></span></code></pre> <copy-code></copy-code> </div> wysiwyg: |- @@ -7782,7 +7771,7 @@ </pre> static: |- <div class="gl-relative markdown-code-block js-markdown-code"> - <pre data-sourcepos="1:1-5:3" class="code highlight js-syntax-highlight language-json" lang="json" data-lang-params="frontmatter" v-pre="true"><code><span id="LC1" class="line" lang="json"><span class="p">{</span></span> + <pre data-sourcepos="1:1-5:3" lang="json" class="code highlight js-syntax-highlight language-json" data-lang-params="frontmatter" v-pre="true"><code><span id="LC1" class="line" lang="json"><span class="p">{</span></span> <span id="LC2" class="line" lang="json"><span class="w"> </span><span class="nl">"title"</span><span class="p">:</span><span class="w"> </span><span class="s2">"JSON front matter"</span></span> <span id="LC3" class="line" lang="json"><span class="p">}</span></span></code></pre> <copy-code></copy-code> @@ -7932,7 +7921,7 @@ canonical: | <p><a href="projects-test-file">projects-test-file</a></p> static: |- - <p data-sourcepos="1:1-1:40" dir="auto"><a href="/glfm_group/glfm_project/-/blob/master/projects-test-file">projects-test-file</a></p> + <p data-sourcepos="1:1-1:40" dir="auto"><a href="/glfm_group/glfm_project/-/blob/master/projects-test-file" class="gfm">projects-test-file</a></p> 08_03_00__gitlab_internal_extension_markdown__markdown_preview_api_request_overrides__003: canonical: | <p>This project snippet ID reference IS filtered: $88888</p> diff --git a/glfm_specification/example_snapshots/markdown.yml b/glfm_specification/output_example_snapshots/markdown.yml index 867108a6cc5..867108a6cc5 100644 --- a/glfm_specification/example_snapshots/markdown.yml +++ b/glfm_specification/output_example_snapshots/markdown.yml diff --git a/glfm_specification/example_snapshots/prosemirror_json.yml b/glfm_specification/output_example_snapshots/prosemirror_json.yml index de54518a574..de54518a574 100644 --- a/glfm_specification/example_snapshots/prosemirror_json.yml +++ b/glfm_specification/output_example_snapshots/prosemirror_json.yml diff --git a/glfm_specification/output_example_snapshots/snapshot_spec.html b/glfm_specification/output_example_snapshots/snapshot_spec.html new file mode 100644 index 00000000000..20cfc4cf84f --- /dev/null +++ b/glfm_specification/output_example_snapshots/snapshot_spec.html @@ -0,0 +1,10245 @@ +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1:1-4:3" lang="yaml" class="code highlight js-syntax-highlight language-yaml" data-lang-params="frontmatter" v-pre="true"><code><span id="LC1" class="line" lang="yaml"><span class="na">title</span><span class="pi">:</span> <span class="s">GitLab Flavored Markdown (GLFM) Spec</span></span> +<span id="LC2" class="line" lang="yaml"><span class="na">version</span><span class="pi">:</span> <span class="s">alpha</span></span></code></pre> +<copy-code></copy-code> +</div> +<h1 data-sourcepos="5:1-5:15" dir="auto"> +<a id="user-content-preliminaries" class="anchor" href="#preliminaries" aria-hidden="true"></a>Preliminaries</h1> +<h2 data-sourcepos="7:1-7:23" dir="auto"> +<a id="user-content-characters-and-lines" class="anchor" href="#characters-and-lines" aria-hidden="true"></a>Characters and lines</h2> +<p data-sourcepos="9:1-10:9" dir="auto">Any sequence of [characters] is a valid CommonMark +document.</p> +<p data-sourcepos="12:1-15:26" dir="auto">A <a href="@">character</a> is a Unicode code point. Although some +code points (for example, combining accents) do not correspond to +characters in an intuitive sense, all code points count as characters +for purposes of this spec.</p> +<p data-sourcepos="17:1-19:22" dir="auto">This spec does not specify an encoding; it thinks of lines as composed +of [characters] rather than bytes. A conforming parser may be limited +to a certain encoding.</p> +<p data-sourcepos="21:1-23:50" dir="auto">A <a href="@">line</a> is a sequence of zero or more [characters] +other than newline (<code>U+000A</code>) or carriage return (<code>U+000D</code>), +followed by a [line ending] or by the end of file.</p> +<p data-sourcepos="25:1-27:18" dir="auto">A <a href="@">line ending</a> is a newline (<code>U+000A</code>), a carriage return +(<code>U+000D</code>) not followed by a newline, or a carriage return and a +following newline.</p> +<p data-sourcepos="29:1-30:59" dir="auto">A line containing no characters, or a line containing only spaces +(<code>U+0020</code>) or tabs (<code>U+0009</code>), is called a <a href="@">blank line</a>.</p> +<p data-sourcepos="32:1-32:73" dir="auto">The following definitions of character classes will be used in this spec:</p> +<p data-sourcepos="34:1-36:52" dir="auto">A <a href="@">whitespace character</a> is a space +(<code>U+0020</code>), tab (<code>U+0009</code>), newline (<code>U+000A</code>), line tabulation (<code>U+000B</code>), +form feed (<code>U+000C</code>), or carriage return (<code>U+000D</code>).</p> +<p data-sourcepos="38:1-39:12" dir="auto"><a href="@">Whitespace</a> is a sequence of one or more [whitespace +characters].</p> +<p data-sourcepos="41:1-44:11" dir="auto">A <a href="@">Unicode whitespace character</a> is +any code point in the Unicode <code>Zs</code> general category, or a tab (<code>U+0009</code>), +carriage return (<code>U+000D</code>), newline (<code>U+000A</code>), or form feed +(<code>U+000C</code>).</p> +<p data-sourcepos="46:1-47:40" dir="auto"><a href="@">Unicode whitespace</a> is a sequence of one +or more [Unicode whitespace characters].</p> +<p data-sourcepos="49:1-49:25" dir="auto">A <a href="@">space</a> is <code>U+0020</code>.</p> +<p data-sourcepos="51:1-52:37" dir="auto">A <a href="@">non-whitespace character</a> is any character +that is not a [whitespace character].</p> +<p data-sourcepos="54:1-59:38" dir="auto">An <a href="@">ASCII punctuation character</a> +is <code>!</code>, <code>"</code>, <code>#</code>, <code>$</code>, <code>%</code>, <code>&</code>, <code>'</code>, <code>(</code>, <code>)</code>, +<code>*</code>, <code>+</code>, <code>,</code>, <code>-</code>, <code>.</code>, <code>/</code> (U+0021–2F), +<code>:</code>, <code>;</code>, <code><</code>, <code>=</code>, <code>></code>, <code>?</code>, <code>@</code> (U+003A–0040), +<code>[</code>, <code>\</code>, <code>]</code>, <code>^</code>, <code>_</code>, <code>`</code> (U+005B–0060), +<code>{</code>, <code>|</code>, <code>}</code>, or <code>~</code> (U+007B–007E).</p> +<p data-sourcepos="61:1-63:76" dir="auto">A <a href="@">punctuation character</a> is an [ASCII +punctuation character] or anything in +the general Unicode categories <code>Pc</code>, <code>Pd</code>, <code>Pe</code>, <code>Pf</code>, <code>Pi</code>, <code>Po</code>, or <code>Ps</code>.</p> +<h2 data-sourcepos="65:1-65:7" dir="auto"> +<a id="user-content-tabs" class="anchor" href="#tabs" aria-hidden="true"></a>Tabs</h2> +<p data-sourcepos="67:1-70:16" dir="auto">Tabs in lines are not expanded to [spaces]. However, +in contexts where whitespace helps to define block structure, +tabs behave as if they were replaced by spaces with a tab stop +of 4 characters.</p> +<p data-sourcepos="72:1-75:8" dir="auto">Thus, for example, a tab can be used instead of four spaces +in an indented code block. (Note, however, that internal +tabs are passed through as literal tabs, not expanded to +spaces.)</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="77:1-79:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">→foo→baz→→bim</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="81:1-84:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><pre><code>foo→baz→→bim</span> +<span id="LC2" class="line" lang="plaintext"></code></pre></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="86:1-88:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> →foo→baz→→bim</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="90:1-93:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><pre><code>foo→baz→→bim</span> +<span id="LC2" class="line" lang="plaintext"></code></pre></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="95:1-98:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> a→a</span> +<span id="LC2" class="line" lang="plaintext"> ὐ→a</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="100:1-104:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><pre><code>a→a</span> +<span id="LC2" class="line" lang="plaintext">ὐ→a</span> +<span id="LC3" class="line" lang="plaintext"></code></pre></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="106:1-108:38" dir="auto">In the following example, a continuation paragraph of a list +item is indented with a tab; this has exactly the same effect +as indentation with four spaces would:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="110:1-114:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> - foo</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">→bar</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="116:1-123:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ul></span> +<span id="LC2" class="line" lang="plaintext"><li></span> +<span id="LC3" class="line" lang="plaintext"><p>foo</p></span> +<span id="LC4" class="line" lang="plaintext"><p>bar</p></span> +<span id="LC5" class="line" lang="plaintext"></li></span> +<span id="LC6" class="line" lang="plaintext"></ul></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="125:1-129:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- foo</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">→→bar</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="131:1-139:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ul></span> +<span id="LC2" class="line" lang="plaintext"><li></span> +<span id="LC3" class="line" lang="plaintext"><p>foo</p></span> +<span id="LC4" class="line" lang="plaintext"><pre><code> bar</span> +<span id="LC5" class="line" lang="plaintext"></code></pre></span> +<span id="LC6" class="line" lang="plaintext"></li></span> +<span id="LC7" class="line" lang="plaintext"></ul></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="141:1-148:36" dir="auto">Normally the <code>></code> that begins a block quote may be followed +optionally by a space, which is not considered part of the +content. In the following case <code>></code> is followed by a tab, +which is treated as if it were expanded into three spaces. +Since one of these spaces is considered part of the +delimiter, <code>foo</code> is considered to be indented six spaces +inside the block quote context, so we get an indented +code block starting with two spaces.</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="150:1-152:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">>→→foo</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="154:1-159:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><blockquote></span> +<span id="LC2" class="line" lang="plaintext"><pre><code> foo</span> +<span id="LC3" class="line" lang="plaintext"></code></pre></span> +<span id="LC4" class="line" lang="plaintext"></blockquote></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="161:1-163:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">-→→foo</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="165:1-172:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ul></span> +<span id="LC2" class="line" lang="plaintext"><li></span> +<span id="LC3" class="line" lang="plaintext"><pre><code> foo</span> +<span id="LC4" class="line" lang="plaintext"></code></pre></span> +<span id="LC5" class="line" lang="plaintext"></li></span> +<span id="LC6" class="line" lang="plaintext"></ul></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="175:1-178:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> foo</span> +<span id="LC2" class="line" lang="plaintext">→bar</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="180:1-184:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><pre><code>foo</span> +<span id="LC2" class="line" lang="plaintext">bar</span> +<span id="LC3" class="line" lang="plaintext"></code></pre></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="186:1-190:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> - foo</span> +<span id="LC2" class="line" lang="plaintext"> - bar</span> +<span id="LC3" class="line" lang="plaintext">→ - baz</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="192:1-204:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ul></span> +<span id="LC2" class="line" lang="plaintext"><li>foo</span> +<span id="LC3" class="line" lang="plaintext"><ul></span> +<span id="LC4" class="line" lang="plaintext"><li>bar</span> +<span id="LC5" class="line" lang="plaintext"><ul></span> +<span id="LC6" class="line" lang="plaintext"><li>baz</li></span> +<span id="LC7" class="line" lang="plaintext"></ul></span> +<span id="LC8" class="line" lang="plaintext"></li></span> +<span id="LC9" class="line" lang="plaintext"></ul></span> +<span id="LC10" class="line" lang="plaintext"></li></span> +<span id="LC11" class="line" lang="plaintext"></ul></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="206:1-208:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">#→Foo</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="210:1-212:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><h1>Foo</h1></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="214:1-216:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">*→*→*→</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="218:1-220:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><hr /></span></code></pre> +<copy-code></copy-code> +</div> +<h2 data-sourcepos="223:1-223:22" dir="auto"> +<a id="user-content-insecure-characters" class="anchor" href="#insecure-characters" aria-hidden="true"></a>Insecure characters</h2> +<p data-sourcepos="225:1-226:42" dir="auto">For security reasons, the Unicode character <code>U+0000</code> must be replaced +with the REPLACEMENT CHARACTER (<code>U+FFFD</code>).</p> +<h1 data-sourcepos="228:1-228:20" dir="auto"> +<a id="user-content-blocks-and-inlines" class="anchor" href="#blocks-and-inlines" aria-hidden="true"></a>Blocks and inlines</h1> +<p data-sourcepos="230:1-235:54" dir="auto">We can think of a document as a sequence of +<a href="@">blocks</a>---structural elements like paragraphs, block +quotations, lists, headings, rules, and code blocks. Some blocks (like +block quotes and list items) contain other blocks; others (like +headings and paragraphs) contain <a href="@">inline</a> content---text, +links, emphasized text, images, code spans, and so on.</p> +<h2 data-sourcepos="237:1-237:13" dir="auto"> +<a id="user-content-precedence" class="anchor" href="#precedence" aria-hidden="true"></a>Precedence</h2> +<p data-sourcepos="239:1-241:59" dir="auto">Indicators of block structure always take precedence over indicators +of inline structure. So, for example, the following is a list with +two items, not a list with one item containing a code span:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="243:1-246:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- `one</span> +<span id="LC2" class="line" lang="plaintext">- two`</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="248:1-253:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ul></span> +<span id="LC2" class="line" lang="plaintext"><li>`one</li></span> +<span id="LC3" class="line" lang="plaintext"><li>two`</li></span> +<span id="LC4" class="line" lang="plaintext"></ul></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="256:1-263:66" dir="auto">This means that parsing can proceed in two steps: first, the block +structure of the document can be discerned; second, text lines inside +paragraphs, headings, and other block constructs can be parsed for inline +structure. The second step requires information about link reference +definitions that will be available only at the end of the first +step. Note that the first step requires processing lines in sequence, +but the second can be parallelized, since the inline parsing of +one block element does not affect the inline parsing of any other.</p> +<h2 data-sourcepos="265:1-265:35" dir="auto"> +<a id="user-content-container-blocks-and-leaf-blocks" class="anchor" href="#container-blocks-and-leaf-blocks" aria-hidden="true"></a>Container blocks and leaf blocks</h2> +<p data-sourcepos="267:1-270:13" dir="auto">We can divide blocks into two types: +<a href="@">container blocks</a>, +which can contain other blocks, and <a href="@">leaf blocks</a>, +which cannot.</p> +<h1 data-sourcepos="272:1-272:13" dir="auto"> +<a id="user-content-leaf-blocks" class="anchor" href="#leaf-blocks" aria-hidden="true"></a>Leaf blocks</h1> +<p data-sourcepos="274:1-275:18" dir="auto">This section describes the different kinds of leaf block that make up a +Markdown document.</p> +<h2 data-sourcepos="277:1-277:18" dir="auto"> +<a id="user-content-thematic-breaks" class="anchor" href="#thematic-breaks" aria-hidden="true"></a>Thematic breaks</h2> +<p data-sourcepos="279:1-282:20" dir="auto">A line consisting of 0-3 spaces of indentation, followed by a sequence +of three or more matching <code>-</code>, <code>_</code>, or <code>*</code> characters, each followed +optionally by any number of spaces or tabs, forms a +<a href="@">thematic break</a>.</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="284:1-288:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">***</span> +<span id="LC2" class="line" lang="plaintext">---</span> +<span id="LC3" class="line" lang="plaintext">___</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="290:1-294:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><hr /></span> +<span id="LC2" class="line" lang="plaintext"><hr /></span> +<span id="LC3" class="line" lang="plaintext"><hr /></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="297:1-297:17" dir="auto">Wrong characters:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="299:1-301:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">+++</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="303:1-305:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>+++</p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="308:1-310:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">===</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="312:1-314:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>===</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="317:1-317:22" dir="auto">Not enough characters:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="319:1-323:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">--</span> +<span id="LC2" class="line" lang="plaintext">**</span> +<span id="LC3" class="line" lang="plaintext">__</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="325:1-329:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>--</span> +<span id="LC2" class="line" lang="plaintext">**</span> +<span id="LC3" class="line" lang="plaintext">__</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="332:1-332:39" dir="auto">One to three spaces indent are allowed:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="334:1-338:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> ***</span> +<span id="LC2" class="line" lang="plaintext"> ***</span> +<span id="LC3" class="line" lang="plaintext"> ***</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="340:1-344:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><hr /></span> +<span id="LC2" class="line" lang="plaintext"><hr /></span> +<span id="LC3" class="line" lang="plaintext"><hr /></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="347:1-347:24" dir="auto">Four spaces is too many:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="349:1-351:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> ***</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="353:1-356:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><pre><code>***</span> +<span id="LC2" class="line" lang="plaintext"></code></pre></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="359:1-362:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">Foo</span> +<span id="LC2" class="line" lang="plaintext"> ***</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="364:1-367:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>Foo</span> +<span id="LC2" class="line" lang="plaintext">***</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="370:1-370:39" dir="auto">More than three characters may be used:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="372:1-374:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">_____________________________________</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="376:1-378:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><hr /></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="381:1-381:42" dir="auto">Spaces are allowed between the characters:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="383:1-385:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> - - -</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="387:1-389:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><hr /></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="392:1-394:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> ** * ** * ** * **</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="396:1-398:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><hr /></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="401:1-403:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- - - -</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="405:1-407:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><hr /></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="410:1-410:30" dir="auto">Spaces are allowed at the end:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="412:1-414:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- - - - </span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="416:1-418:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><hr /></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="421:1-421:51" dir="auto">However, no other characters may occur in the line:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="423:1-429:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">_ _ _ _ a</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">a------</span> +<span id="LC4" class="line" lang="plaintext"></span> +<span id="LC5" class="line" lang="plaintext">---a---</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="431:1-435:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>_ _ _ _ a</p></span> +<span id="LC2" class="line" lang="plaintext"><p>a------</p></span> +<span id="LC3" class="line" lang="plaintext"><p>---a---</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="438:1-439:33" dir="auto">It is required that all of the [non-whitespace characters] be the same. +So, this is not a thematic break:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="441:1-443:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> *-*</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="445:1-447:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><em>-</em></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="450:1-450:56" dir="auto">Thematic breaks do not need blank lines before or after:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="452:1-456:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- foo</span> +<span id="LC2" class="line" lang="plaintext">***</span> +<span id="LC3" class="line" lang="plaintext">- bar</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="458:1-466:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ul></span> +<span id="LC2" class="line" lang="plaintext"><li>foo</li></span> +<span id="LC3" class="line" lang="plaintext"></ul></span> +<span id="LC4" class="line" lang="plaintext"><hr /></span> +<span id="LC5" class="line" lang="plaintext"><ul></span> +<span id="LC6" class="line" lang="plaintext"><li>bar</li></span> +<span id="LC7" class="line" lang="plaintext"></ul></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="469:1-469:42" dir="auto">Thematic breaks can interrupt a paragraph:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="471:1-475:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">Foo</span> +<span id="LC2" class="line" lang="plaintext">***</span> +<span id="LC3" class="line" lang="plaintext">bar</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="477:1-481:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>Foo</p></span> +<span id="LC2" class="line" lang="plaintext"><hr /></span> +<span id="LC3" class="line" lang="plaintext"><p>bar</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="484:1-488:71" dir="auto">If a line of dashes that meets the above conditions for being a +thematic break could also be interpreted as the underline of a [setext +heading], the interpretation as a +[setext heading] takes precedence. Thus, for example, +this is a setext heading, not a paragraph followed by a thematic break:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="490:1-494:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">Foo</span> +<span id="LC2" class="line" lang="plaintext">---</span> +<span id="LC3" class="line" lang="plaintext">bar</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="496:1-499:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><h2>Foo</h2></span> +<span id="LC2" class="line" lang="plaintext"><p>bar</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="502:1-503:63" dir="auto">When both a thematic break and a list item are possible +interpretations of a line, the thematic break takes precedence:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="505:1-509:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">* Foo</span> +<span id="LC2" class="line" lang="plaintext">* * *</span> +<span id="LC3" class="line" lang="plaintext">* Bar</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="511:1-519:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ul></span> +<span id="LC2" class="line" lang="plaintext"><li>Foo</li></span> +<span id="LC3" class="line" lang="plaintext"></ul></span> +<span id="LC4" class="line" lang="plaintext"><hr /></span> +<span id="LC5" class="line" lang="plaintext"><ul></span> +<span id="LC6" class="line" lang="plaintext"><li>Bar</li></span> +<span id="LC7" class="line" lang="plaintext"></ul></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="522:1-522:68" dir="auto">If you want a thematic break in a list item, use a different bullet:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="524:1-527:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- Foo</span> +<span id="LC2" class="line" lang="plaintext">- * * *</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="529:1-536:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ul></span> +<span id="LC2" class="line" lang="plaintext"><li>Foo</li></span> +<span id="LC3" class="line" lang="plaintext"><li></span> +<span id="LC4" class="line" lang="plaintext"><hr /></span> +<span id="LC5" class="line" lang="plaintext"></li></span> +<span id="LC6" class="line" lang="plaintext"></ul></span></code></pre> +<copy-code></copy-code> +</div> +<h2 data-sourcepos="539:1-539:15" dir="auto"> +<a id="user-content-atx-headings" class="anchor" href="#atx-headings" aria-hidden="true"></a>ATX headings</h2> +<p data-sourcepos="541:1-551:35" dir="auto">An <a href="@">ATX heading</a> +consists of a string of characters, parsed as inline content, between an +opening sequence of 1--6 unescaped <code>#</code> characters and an optional +closing sequence of any number of unescaped <code>#</code> characters. +The opening sequence of <code>#</code> characters must be followed by a +[space] or by the end of line. The optional closing sequence of <code>#</code>s must be +preceded by a [space] and may be followed by spaces only. The opening +<code>#</code> character may be indented 0-3 spaces. The raw contents of the +heading are stripped of leading and trailing spaces before being parsed +as inline content. The heading level is equal to the number of <code>#</code> +characters in the opening sequence.</p> +<p data-sourcepos="553:1-553:16" dir="auto">Simple headings:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="555:1-562:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"># foo</span> +<span id="LC2" class="line" lang="plaintext">## foo</span> +<span id="LC3" class="line" lang="plaintext">### foo</span> +<span id="LC4" class="line" lang="plaintext">#### foo</span> +<span id="LC5" class="line" lang="plaintext">##### foo</span> +<span id="LC6" class="line" lang="plaintext">###### foo</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="564:1-571:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><h1>foo</h1></span> +<span id="LC2" class="line" lang="plaintext"><h2>foo</h2></span> +<span id="LC3" class="line" lang="plaintext"><h3>foo</h3></span> +<span id="LC4" class="line" lang="plaintext"><h4>foo</h4></span> +<span id="LC5" class="line" lang="plaintext"><h5>foo</h5></span> +<span id="LC6" class="line" lang="plaintext"><h6>foo</h6></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="574:1-574:46" dir="auto">More than six <code>#</code> characters is not a heading:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="576:1-578:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">####### foo</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="580:1-582:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>####### foo</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="585:1-591:9" dir="auto">At least one space is required between the <code>#</code> characters and the +heading's contents, unless the heading is empty. Note that many +implementations currently do not require the space. However, the +space was required by the +<a href="http://www.aaronsw.com/2002/atx/atx.py" rel="nofollow noreferrer noopener" target="_blank">original ATX implementation</a>, +and it helps prevent things like the following from being parsed as +headings:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="593:1-597:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">#5 bolt</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">#hashtag</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="599:1-602:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>#5 bolt</p></span> +<span id="LC2" class="line" lang="plaintext"><p>#hashtag</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="605:1-605:56" dir="auto">This is not a heading, because the first <code>#</code> is escaped:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="607:1-609:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">\## foo</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="611:1-613:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>## foo</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="616:1-616:31" dir="auto">Contents are parsed as inlines:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="618:1-620:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"># foo *bar* \*baz\*</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="622:1-624:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><h1>foo <em>bar</em> *baz*</h1></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="627:1-627:71" dir="auto">Leading and trailing [whitespace] is ignored in parsing inline content:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="629:1-631:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"># foo </span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="633:1-635:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><h1>foo</h1></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="638:1-638:44" dir="auto">One to three spaces indentation are allowed:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="640:1-644:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> ### foo</span> +<span id="LC2" class="line" lang="plaintext"> ## foo</span> +<span id="LC3" class="line" lang="plaintext"> # foo</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="646:1-650:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><h3>foo</h3></span> +<span id="LC2" class="line" lang="plaintext"><h2>foo</h2></span> +<span id="LC3" class="line" lang="plaintext"><h1>foo</h1></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="653:1-653:25" dir="auto">Four spaces are too much:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="655:1-657:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> # foo</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="659:1-662:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><pre><code># foo</span> +<span id="LC2" class="line" lang="plaintext"></code></pre></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="665:1-668:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo</span> +<span id="LC2" class="line" lang="plaintext"> # bar</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="670:1-673:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>foo</span> +<span id="LC2" class="line" lang="plaintext"># bar</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="676:1-676:49" dir="auto">A closing sequence of <code>#</code> characters is optional:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="678:1-681:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">## foo ##</span> +<span id="LC2" class="line" lang="plaintext"> ### bar ###</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="683:1-686:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><h2>foo</h2></span> +<span id="LC2" class="line" lang="plaintext"><h3>bar</h3></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="689:1-689:55" dir="auto">It need not be the same length as the opening sequence:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="691:1-694:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"># foo ##################################</span> +<span id="LC2" class="line" lang="plaintext">##### foo ##</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="696:1-699:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><h1>foo</h1></span> +<span id="LC2" class="line" lang="plaintext"><h5>foo</h5></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="702:1-702:46" dir="auto">Spaces are allowed after the closing sequence:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="704:1-706:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">### foo ### </span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="708:1-710:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><h3>foo</h3></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="713:1-715:8" dir="auto">A sequence of <code>#</code> characters with anything but [spaces] following it +is not a closing sequence, but counts as part of the contents of the +heading:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="717:1-719:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">### foo ### b</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="721:1-723:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><h3>foo ### b</h3></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="726:1-726:49" dir="auto">The closing sequence must be preceded by a space:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="728:1-730:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"># foo#</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="732:1-734:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><h1>foo#</h1></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="737:1-738:24" dir="auto">Backslash-escaped <code>#</code> characters do not count as part +of the closing sequence:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="740:1-744:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">### foo \###</span> +<span id="LC2" class="line" lang="plaintext">## foo #\##</span> +<span id="LC3" class="line" lang="plaintext"># foo \#</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="746:1-750:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><h3>foo ###</h3></span> +<span id="LC2" class="line" lang="plaintext"><h2>foo ###</h2></span> +<span id="LC3" class="line" lang="plaintext"><h1>foo #</h1></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="753:1-754:41" dir="auto">ATX headings need not be separated from surrounding content by blank +lines, and they can interrupt paragraphs:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="756:1-760:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">****</span> +<span id="LC2" class="line" lang="plaintext">## foo</span> +<span id="LC3" class="line" lang="plaintext">****</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="762:1-766:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><hr /></span> +<span id="LC2" class="line" lang="plaintext"><h2>foo</h2></span> +<span id="LC3" class="line" lang="plaintext"><hr /></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="769:1-773:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">Foo bar</span> +<span id="LC2" class="line" lang="plaintext"># baz</span> +<span id="LC3" class="line" lang="plaintext">Bar foo</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="775:1-779:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>Foo bar</p></span> +<span id="LC2" class="line" lang="plaintext"><h1>baz</h1></span> +<span id="LC3" class="line" lang="plaintext"><p>Bar foo</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="782:1-782:26" dir="auto">ATX headings can be empty:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="784:1-788:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">## </span> +<span id="LC2" class="line" lang="plaintext">#</span> +<span id="LC3" class="line" lang="plaintext">### ###</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="790:1-794:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><h2></h2></span> +<span id="LC2" class="line" lang="plaintext"><h1></h1></span> +<span id="LC3" class="line" lang="plaintext"><h3></h3></span></code></pre> +<copy-code></copy-code> +</div> +<h2 data-sourcepos="797:1-797:18" dir="auto"> +<a id="user-content-setext-headings" class="anchor" href="#setext-headings" aria-hidden="true"></a>Setext headings</h2> +<p data-sourcepos="799:1-807:54" dir="auto">A <a href="@">setext heading</a> consists of one or more +lines of text, each containing at least one [non-whitespace +character], with no more than 3 spaces indentation, followed by +a [setext heading underline]. The lines of text must be such +that, were they not followed by the setext heading underline, +they would be interpreted as a paragraph: they cannot be +interpretable as a [code fence], [ATX heading][ATX headings], +[block quote][block quotes], [thematic break][thematic breaks], +[list item][list items], or [HTML block][HTML blocks].</p> +<p data-sourcepos="809:1-814:40" dir="auto">A <a href="@">setext heading underline</a> is a sequence of +<code>=</code> characters or a sequence of <code>-</code> characters, with no more than 3 +spaces indentation and any number of trailing spaces. If a line +containing a single <code>-</code> can be interpreted as an +empty [list items], it should be interpreted this way +and not as a [setext heading underline].</p> +<p data-sourcepos="816:1-820:8" dir="auto">The heading is a level 1 heading if <code>=</code> characters are used in +the [setext heading underline], and a level 2 heading if <code>-</code> +characters are used. The contents of the heading are the result +of parsing the preceding lines of text as CommonMark inline +content.</p> +<p data-sourcepos="822:1-825:5" dir="auto">In general, a setext heading need not be preceded or followed by a +blank line. However, it cannot interrupt a paragraph, so when a +setext heading comes after a paragraph, a blank line is needed between +them.</p> +<p data-sourcepos="827:1-827:16" dir="auto">Simple examples:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="829:1-835:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">Foo *bar*</span> +<span id="LC2" class="line" lang="plaintext">=========</span> +<span id="LC3" class="line" lang="plaintext"></span> +<span id="LC4" class="line" lang="plaintext">Foo *bar*</span> +<span id="LC5" class="line" lang="plaintext">---------</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="837:1-840:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><h1>Foo <em>bar</em></h1></span> +<span id="LC2" class="line" lang="plaintext"><h2>Foo <em>bar</em></h2></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="843:1-843:54" dir="auto">The content of the header may span more than one line:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="845:1-849:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">Foo *bar</span> +<span id="LC2" class="line" lang="plaintext">baz*</span> +<span id="LC3" class="line" lang="plaintext">====</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="851:1-854:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><h1>Foo <em>bar</span> +<span id="LC2" class="line" lang="plaintext">baz</em></h1></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="856:1-859:13" dir="auto">The contents are the result of parsing the headings's raw +content as inlines. The heading's raw content is formed by +concatenating the lines and removing initial and final +[whitespace].</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="861:1-865:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> Foo *bar</span> +<span id="LC2" class="line" lang="plaintext">baz*→</span> +<span id="LC3" class="line" lang="plaintext">====</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="867:1-870:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><h1>Foo <em>bar</span> +<span id="LC2" class="line" lang="plaintext">baz</em></h1></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="873:1-873:34" dir="auto">The underlining can be any length:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="875:1-881:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">Foo</span> +<span id="LC2" class="line" lang="plaintext">-------------------------</span> +<span id="LC3" class="line" lang="plaintext"></span> +<span id="LC4" class="line" lang="plaintext">Foo</span> +<span id="LC5" class="line" lang="plaintext">=</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="883:1-886:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><h2>Foo</h2></span> +<span id="LC2" class="line" lang="plaintext"><h1>Foo</h1></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="889:1-890:33" dir="auto">The heading content can be indented up to three spaces, and need +not line up with the underlining:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="892:1-901:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> Foo</span> +<span id="LC2" class="line" lang="plaintext">---</span> +<span id="LC3" class="line" lang="plaintext"></span> +<span id="LC4" class="line" lang="plaintext"> Foo</span> +<span id="LC5" class="line" lang="plaintext">-----</span> +<span id="LC6" class="line" lang="plaintext"></span> +<span id="LC7" class="line" lang="plaintext"> Foo</span> +<span id="LC8" class="line" lang="plaintext"> ===</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="903:1-907:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><h2>Foo</h2></span> +<span id="LC2" class="line" lang="plaintext"><h2>Foo</h2></span> +<span id="LC3" class="line" lang="plaintext"><h1>Foo</h1></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="910:1-910:31" dir="auto">Four spaces indent is too much:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="912:1-918:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> Foo</span> +<span id="LC2" class="line" lang="plaintext"> ---</span> +<span id="LC3" class="line" lang="plaintext"></span> +<span id="LC4" class="line" lang="plaintext"> Foo</span> +<span id="LC5" class="line" lang="plaintext">---</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="920:1-927:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><pre><code>Foo</span> +<span id="LC2" class="line" lang="plaintext">---</span> +<span id="LC3" class="line" lang="plaintext"></span> +<span id="LC4" class="line" lang="plaintext">Foo</span> +<span id="LC5" class="line" lang="plaintext"></code></pre></span> +<span id="LC6" class="line" lang="plaintext"><hr /></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="930:1-931:25" dir="auto">The setext heading underline can be indented up to three spaces, and +may have trailing spaces:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="933:1-936:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">Foo</span> +<span id="LC2" class="line" lang="plaintext"> ---- </span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="938:1-940:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><h2>Foo</h2></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="943:1-943:24" dir="auto">Four spaces is too much:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="945:1-948:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">Foo</span> +<span id="LC2" class="line" lang="plaintext"> ---</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="950:1-953:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>Foo</span> +<span id="LC2" class="line" lang="plaintext">---</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="956:1-956:60" dir="auto">The setext heading underline cannot contain internal spaces:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="958:1-964:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">Foo</span> +<span id="LC2" class="line" lang="plaintext">= =</span> +<span id="LC3" class="line" lang="plaintext"></span> +<span id="LC4" class="line" lang="plaintext">Foo</span> +<span id="LC5" class="line" lang="plaintext">--- -</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="966:1-971:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>Foo</span> +<span id="LC2" class="line" lang="plaintext">= =</p></span> +<span id="LC3" class="line" lang="plaintext"><p>Foo</p></span> +<span id="LC4" class="line" lang="plaintext"><hr /></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="974:1-974:62" dir="auto">Trailing spaces in the content line do not cause a line break:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="976:1-979:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">Foo </span> +<span id="LC2" class="line" lang="plaintext">-----</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="981:1-983:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><h2>Foo</h2></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="986:1-986:32" dir="auto">Nor does a backslash at the end:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="988:1-991:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">Foo\</span> +<span id="LC2" class="line" lang="plaintext">----</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="993:1-995:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><h2>Foo\</h2></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="998:1-999:66" dir="auto">Since indicators of block structure take precedence over +indicators of inline structure, the following are setext headings:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1001:1-1009:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">`Foo</span> +<span id="LC2" class="line" lang="plaintext">----</span> +<span id="LC3" class="line" lang="plaintext">`</span> +<span id="LC4" class="line" lang="plaintext"></span> +<span id="LC5" class="line" lang="plaintext"><a title="a lot</span> +<span id="LC6" class="line" lang="plaintext">---</span> +<span id="LC7" class="line" lang="plaintext">of dashes"/></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1011:1-1016:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><h2>`Foo</h2></span> +<span id="LC2" class="line" lang="plaintext"><p>`</p></span> +<span id="LC3" class="line" lang="plaintext"><h2>&lt;a title=&quot;a lot</h2></span> +<span id="LC4" class="line" lang="plaintext"><p>of dashes&quot;/&gt;</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="1019:1-1020:36" dir="auto">The setext heading underline cannot be a [lazy continuation +line] in a list item or block quote:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1022:1-1025:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">> Foo</span> +<span id="LC2" class="line" lang="plaintext">---</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1027:1-1032:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><blockquote></span> +<span id="LC2" class="line" lang="plaintext"><p>Foo</p></span> +<span id="LC3" class="line" lang="plaintext"></blockquote></span> +<span id="LC4" class="line" lang="plaintext"><hr /></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1035:1-1039:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">> foo</span> +<span id="LC2" class="line" lang="plaintext">bar</span> +<span id="LC3" class="line" lang="plaintext">===</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1041:1-1047:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><blockquote></span> +<span id="LC2" class="line" lang="plaintext"><p>foo</span> +<span id="LC3" class="line" lang="plaintext">bar</span> +<span id="LC4" class="line" lang="plaintext">===</p></span> +<span id="LC5" class="line" lang="plaintext"></blockquote></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1050:1-1053:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- Foo</span> +<span id="LC2" class="line" lang="plaintext">---</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1055:1-1060:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ul></span> +<span id="LC2" class="line" lang="plaintext"><li>Foo</li></span> +<span id="LC3" class="line" lang="plaintext"></ul></span> +<span id="LC4" class="line" lang="plaintext"><hr /></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="1063:1-1065:25" dir="auto">A blank line is needed between a paragraph and a following +setext heading, since otherwise the paragraph becomes part +of the heading's content:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1067:1-1071:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">Foo</span> +<span id="LC2" class="line" lang="plaintext">Bar</span> +<span id="LC3" class="line" lang="plaintext">---</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1073:1-1076:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><h2>Foo</span> +<span id="LC2" class="line" lang="plaintext">Bar</h2></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="1079:1-1080:16" dir="auto">But in general a blank line is not required before or after +setext headings:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1082:1-1089:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">---</span> +<span id="LC2" class="line" lang="plaintext">Foo</span> +<span id="LC3" class="line" lang="plaintext">---</span> +<span id="LC4" class="line" lang="plaintext">Bar</span> +<span id="LC5" class="line" lang="plaintext">---</span> +<span id="LC6" class="line" lang="plaintext">Baz</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1091:1-1096:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><hr /></span> +<span id="LC2" class="line" lang="plaintext"><h2>Foo</h2></span> +<span id="LC3" class="line" lang="plaintext"><h2>Bar</h2></span> +<span id="LC4" class="line" lang="plaintext"><p>Baz</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="1099:1-1099:32" dir="auto">Setext headings cannot be empty:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1101:1-1104:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"></span> +<span id="LC2" class="line" lang="plaintext">====</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1106:1-1108:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>====</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="1111:1-1113:55" dir="auto">Setext heading text lines must not be interpretable as block +constructs other than paragraphs. So, the line of dashes +in these examples gets interpreted as a thematic break:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1115:1-1118:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">---</span> +<span id="LC2" class="line" lang="plaintext">---</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1120:1-1123:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><hr /></span> +<span id="LC2" class="line" lang="plaintext"><hr /></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1126:1-1129:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- foo</span> +<span id="LC2" class="line" lang="plaintext">-----</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1131:1-1136:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ul></span> +<span id="LC2" class="line" lang="plaintext"><li>foo</li></span> +<span id="LC3" class="line" lang="plaintext"></ul></span> +<span id="LC4" class="line" lang="plaintext"><hr /></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1139:1-1142:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> foo</span> +<span id="LC2" class="line" lang="plaintext">---</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1144:1-1148:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><pre><code>foo</span> +<span id="LC2" class="line" lang="plaintext"></code></pre></span> +<span id="LC3" class="line" lang="plaintext"><hr /></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1151:1-1154:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">> foo</span> +<span id="LC2" class="line" lang="plaintext">-----</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1156:1-1161:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><blockquote></span> +<span id="LC2" class="line" lang="plaintext"><p>foo</p></span> +<span id="LC3" class="line" lang="plaintext"></blockquote></span> +<span id="LC4" class="line" lang="plaintext"><hr /></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="1164:1-1165:22" dir="auto">If you want a heading with <code>> foo</code> as its literal text, you can +use backslash escapes:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1167:1-1170:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">\> foo</span> +<span id="LC2" class="line" lang="plaintext">------</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1172:1-1174:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><h2>&gt; foo</h2></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="1177:1-1179:48" dir="auto"><strong>Compatibility note:</strong> Most existing Markdown implementations +do not allow the text of setext headings to span multiple lines. +But there is no consensus about how to interpret</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1181:1-1186:3" lang="markdown" class="code highlight js-syntax-highlight language-markdown" v-pre="true"><code><span id="LC1" class="line" lang="markdown">Foo</span> +<span id="LC2" class="line" lang="markdown"><span class="gh">bar</span></span> +<span id="LC3" class="line" lang="markdown"><span class="gh">---</span></span> +<span id="LC4" class="line" lang="markdown">baz</span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="1188:1-1188:44" dir="auto">One can find four different interpretations:</p> +<ol data-sourcepos="1190:1-1194:0" dir="auto"> +<li data-sourcepos="1190:1-1190:50">paragraph "Foo", heading "bar", paragraph "baz"</li> +<li data-sourcepos="1191:1-1191:55">paragraph "Foo bar", thematic break, paragraph "baz"</li> +<li data-sourcepos="1192:1-1192:30">paragraph "Foo bar --- baz"</li> +<li data-sourcepos="1193:1-1194:0">heading "Foo bar", paragraph "baz"</li> +</ol> +<p data-sourcepos="1195:1-1198:43" dir="auto">We find interpretation 4 most natural, and interpretation 4 +increases the expressive power of CommonMark, by allowing +multiline headings. Authors who want interpretation 1 can +put a blank line after the first paragraph:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1200:1-1206:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">Foo</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">bar</span> +<span id="LC4" class="line" lang="plaintext">---</span> +<span id="LC5" class="line" lang="plaintext">baz</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1208:1-1212:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>Foo</p></span> +<span id="LC2" class="line" lang="plaintext"><h2>bar</h2></span> +<span id="LC3" class="line" lang="plaintext"><p>baz</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="1215:1-1216:19" dir="auto">Authors who want interpretation 2 can put blank lines around +the thematic break,</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1218:1-1225:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">Foo</span> +<span id="LC2" class="line" lang="plaintext">bar</span> +<span id="LC3" class="line" lang="plaintext"></span> +<span id="LC4" class="line" lang="plaintext">---</span> +<span id="LC5" class="line" lang="plaintext"></span> +<span id="LC6" class="line" lang="plaintext">baz</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1227:1-1232:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>Foo</span> +<span id="LC2" class="line" lang="plaintext">bar</p></span> +<span id="LC3" class="line" lang="plaintext"><hr /></span> +<span id="LC4" class="line" lang="plaintext"><p>baz</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="1235:1-1236:19" dir="auto">or use a thematic break that cannot count as a [setext heading +underline], such as</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1238:1-1243:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">Foo</span> +<span id="LC2" class="line" lang="plaintext">bar</span> +<span id="LC3" class="line" lang="plaintext">* * *</span> +<span id="LC4" class="line" lang="plaintext">baz</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1245:1-1250:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>Foo</span> +<span id="LC2" class="line" lang="plaintext">bar</p></span> +<span id="LC3" class="line" lang="plaintext"><hr /></span> +<span id="LC4" class="line" lang="plaintext"><p>baz</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="1253:1-1253:60" dir="auto">Authors who want interpretation 3 can use backslash escapes:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1255:1-1260:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">Foo</span> +<span id="LC2" class="line" lang="plaintext">bar</span> +<span id="LC3" class="line" lang="plaintext">\---</span> +<span id="LC4" class="line" lang="plaintext">baz</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1262:1-1267:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>Foo</span> +<span id="LC2" class="line" lang="plaintext">bar</span> +<span id="LC3" class="line" lang="plaintext">---</span> +<span id="LC4" class="line" lang="plaintext">baz</p></span></code></pre> +<copy-code></copy-code> +</div> +<h2 data-sourcepos="1270:1-1270:23" dir="auto"> +<a id="user-content-indented-code-blocks" class="anchor" href="#indented-code-blocks" aria-hidden="true"></a>Indented code blocks</h2> +<p data-sourcepos="1272:1-1278:44" dir="auto">An <a href="@">indented code block</a> is composed of one or more +[indented chunks] separated by blank lines. +An <a href="@">indented chunk</a> is a sequence of non-blank lines, +each indented four or more spaces. The contents of the code block are +the literal contents of the lines, including trailing +[line endings], minus four spaces of indentation. +An indented code block has no [info string].</p> +<p data-sourcepos="1280:1-1283:11" dir="auto">An indented code block cannot interrupt a paragraph, so there must be +a blank line between a paragraph and a following indented code block. +(A blank line is not needed, however, between a code block and a following +paragraph.)</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1285:1-1288:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> a simple</span> +<span id="LC2" class="line" lang="plaintext"> indented code block</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1290:1-1294:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><pre><code>a simple</span> +<span id="LC2" class="line" lang="plaintext"> indented code block</span> +<span id="LC3" class="line" lang="plaintext"></code></pre></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="1297:1-1299:65" dir="auto">If there is any ambiguity between an interpretation of indentation +as a code block and as indicating that material belongs to a [list +item][list items], the list item interpretation takes precedence:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1301:1-1305:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> - foo</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext"> bar</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1307:1-1314:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ul></span> +<span id="LC2" class="line" lang="plaintext"><li></span> +<span id="LC3" class="line" lang="plaintext"><p>foo</p></span> +<span id="LC4" class="line" lang="plaintext"><p>bar</p></span> +<span id="LC5" class="line" lang="plaintext"></li></span> +<span id="LC6" class="line" lang="plaintext"></ul></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1317:1-1321:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">1. foo</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext"> - bar</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1323:1-1332:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ol></span> +<span id="LC2" class="line" lang="plaintext"><li></span> +<span id="LC3" class="line" lang="plaintext"><p>foo</p></span> +<span id="LC4" class="line" lang="plaintext"><ul></span> +<span id="LC5" class="line" lang="plaintext"><li>bar</li></span> +<span id="LC6" class="line" lang="plaintext"></ul></span> +<span id="LC7" class="line" lang="plaintext"></li></span> +<span id="LC8" class="line" lang="plaintext"></ol></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="1336:1-1337:12" dir="auto">The contents of a code block are literal text, and do not get parsed +as Markdown:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1339:1-1344:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> <a/></span> +<span id="LC2" class="line" lang="plaintext"> *hi*</span> +<span id="LC3" class="line" lang="plaintext"></span> +<span id="LC4" class="line" lang="plaintext"> - one</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1346:1-1352:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><pre><code>&lt;a/&gt;</span> +<span id="LC2" class="line" lang="plaintext">*hi*</span> +<span id="LC3" class="line" lang="plaintext"></span> +<span id="LC4" class="line" lang="plaintext">- one</span> +<span id="LC5" class="line" lang="plaintext"></code></pre></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="1355:1-1355:51" dir="auto">Here we have three chunks separated by blank lines:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1357:1-1365:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> chunk1</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext"> chunk2</span> +<span id="LC4" class="line" lang="plaintext"> </span> +<span id="LC5" class="line" lang="plaintext"> </span> +<span id="LC6" class="line" lang="plaintext"> </span> +<span id="LC7" class="line" lang="plaintext"> chunk3</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1367:1-1376:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><pre><code>chunk1</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">chunk2</span> +<span id="LC4" class="line" lang="plaintext"></span> +<span id="LC5" class="line" lang="plaintext"></span> +<span id="LC6" class="line" lang="plaintext"></span> +<span id="LC7" class="line" lang="plaintext">chunk3</span> +<span id="LC8" class="line" lang="plaintext"></code></pre></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="1379:1-1380:24" dir="auto">Any initial spaces beyond four will be included in the content, even +in interior blank lines:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1382:1-1386:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> chunk1</span> +<span id="LC2" class="line" lang="plaintext"> </span> +<span id="LC3" class="line" lang="plaintext"> chunk2</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1388:1-1393:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><pre><code>chunk1</span> +<span id="LC2" class="line" lang="plaintext"> </span> +<span id="LC3" class="line" lang="plaintext"> chunk2</span> +<span id="LC4" class="line" lang="plaintext"></code></pre></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="1396:1-1397:37" dir="auto">An indented code block cannot interrupt a paragraph. (This +allows hanging indents and the like.)</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1399:1-1403:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">Foo</span> +<span id="LC2" class="line" lang="plaintext"> bar</span> +<span id="LC3" class="line" lang="plaintext"></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1405:1-1408:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>Foo</span> +<span id="LC2" class="line" lang="plaintext">bar</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="1411:1-1413:20" dir="auto">However, any non-blank line with fewer than four leading spaces ends +the code block immediately. So a paragraph may occur immediately +after indented code:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1415:1-1418:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> foo</span> +<span id="LC2" class="line" lang="plaintext">bar</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1420:1-1424:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><pre><code>foo</span> +<span id="LC2" class="line" lang="plaintext"></code></pre></span> +<span id="LC3" class="line" lang="plaintext"><p>bar</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="1427:1-1428:7" dir="auto">And indented code can occur immediately before and after other kinds of +blocks:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1430:1-1437:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"># Heading</span> +<span id="LC2" class="line" lang="plaintext"> foo</span> +<span id="LC3" class="line" lang="plaintext">Heading</span> +<span id="LC4" class="line" lang="plaintext">------</span> +<span id="LC5" class="line" lang="plaintext"> foo</span> +<span id="LC6" class="line" lang="plaintext">----</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1439:1-1447:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><h1>Heading</h1></span> +<span id="LC2" class="line" lang="plaintext"><pre><code>foo</span> +<span id="LC3" class="line" lang="plaintext"></code></pre></span> +<span id="LC4" class="line" lang="plaintext"><h2>Heading</h2></span> +<span id="LC5" class="line" lang="plaintext"><pre><code>foo</span> +<span id="LC6" class="line" lang="plaintext"></code></pre></span> +<span id="LC7" class="line" lang="plaintext"><hr /></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="1450:1-1450:53" dir="auto">The first line can be indented more than four spaces:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1452:1-1455:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> foo</span> +<span id="LC2" class="line" lang="plaintext"> bar</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1457:1-1461:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><pre><code> foo</span> +<span id="LC2" class="line" lang="plaintext">bar</span> +<span id="LC3" class="line" lang="plaintext"></code></pre></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="1464:1-1465:23" dir="auto">Blank lines preceding or following an indented code block +are not included in it:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1467:1-1473:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"></span> +<span id="LC2" class="line" lang="plaintext"> </span> +<span id="LC3" class="line" lang="plaintext"> foo</span> +<span id="LC4" class="line" lang="plaintext"> </span> +<span id="LC5" class="line" lang="plaintext"></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1475:1-1478:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><pre><code>foo</span> +<span id="LC2" class="line" lang="plaintext"></code></pre></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="1481:1-1481:57" dir="auto">Trailing spaces are included in the code block's content:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1483:1-1485:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> foo </span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1487:1-1490:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><pre><code>foo </span> +<span id="LC2" class="line" lang="plaintext"></code></pre></span></code></pre> +<copy-code></copy-code> +</div> +<h2 data-sourcepos="1494:1-1494:21" dir="auto"> +<a id="user-content-fenced-code-blocks" class="anchor" href="#fenced-code-blocks" aria-hidden="true"></a>Fenced code blocks</h2> +<p data-sourcepos="1496:1-1500:61" dir="auto">A <a href="@">code fence</a> is a sequence +of at least three consecutive backtick characters (<code>`</code>) or +tildes (<code>~</code>). (Tildes and backticks cannot be mixed.) +A <a href="@">fenced code block</a> +begins with a code fence, indented no more than three spaces.</p> +<p data-sourcepos="1502:1-1508:34" dir="auto">The line with the opening code fence may optionally contain some text +following the code fence; this is trimmed of leading and trailing +whitespace and called the <a href="@">info string</a>. If the [info string] comes +after a backtick fence, it may not contain any backtick +characters. (The reason for this restriction is that otherwise +some inline code would be incorrectly interpreted as the +beginning of a fenced code block.)</p> +<p data-sourcepos="1510:1-1517:43" dir="auto">The content of the code block consists of all subsequent lines, until +a closing [code fence] of the same type as the code block +began with (backticks or tildes), and with at least as many backticks +or tildes as the opening code fence. If the leading code fence is +indented N spaces, then up to N spaces of indentation are removed from +each line of the content (if present). (If a content line is not +indented, it is preserved unchanged. If it is indented less than N +spaces, all of the indentation is removed.)</p> +<p data-sourcepos="1519:1-1527:25" dir="auto">The closing code fence may be indented up to three spaces, and may be +followed only by spaces, which are ignored. If the end of the +containing block (or document) is reached and no closing code fence +has been found, the code block contains all of the lines after the +opening code fence until the end of the containing block (or +document). (An alternative spec would require backtracking in the +event that a closing code fence is not found. But this makes parsing +much less efficient, and there seems to be no real down side to the +behavior described here.)</p> +<p data-sourcepos="1529:1-1530:36" dir="auto">A fenced code block may interrupt a paragraph, and does not require +a blank line either before or after.</p> +<p data-sourcepos="1532:1-1536:42" dir="auto">The content of a code fence is treated as literal text, not parsed +as inlines. The first word of the [info string] is typically used to +specify the language of the code sample, and rendered in the <code>class</code> +attribute of the <code>code</code> tag. However, this spec does not mandate any +particular treatment of the [info string].</p> +<p data-sourcepos="1538:1-1538:40" dir="auto">Here is a simple example with backticks:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1540:1-1545:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">```</span> +<span id="LC2" class="line" lang="plaintext"><</span> +<span id="LC3" class="line" lang="plaintext"> ></span> +<span id="LC4" class="line" lang="plaintext">```</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1547:1-1551:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><pre><code>&lt;</span> +<span id="LC2" class="line" lang="plaintext"> &gt;</span> +<span id="LC3" class="line" lang="plaintext"></code></pre></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="1554:1-1554:12" dir="auto">With tildes:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1556:1-1561:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">~~~</span> +<span id="LC2" class="line" lang="plaintext"><</span> +<span id="LC3" class="line" lang="plaintext"> ></span> +<span id="LC4" class="line" lang="plaintext">~~~</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1563:1-1567:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><pre><code>&lt;</span> +<span id="LC2" class="line" lang="plaintext"> &gt;</span> +<span id="LC3" class="line" lang="plaintext"></code></pre></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="1569:1-1569:41" dir="auto">Fewer than three backticks is not enough:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1571:1-1575:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">``</span> +<span id="LC2" class="line" lang="plaintext">foo</span> +<span id="LC3" class="line" lang="plaintext">``</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1577:1-1579:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><code>foo</code></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="1581:1-1582:6" dir="auto">The closing code fence must use the same character as the opening +fence:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1584:1-1589:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">```</span> +<span id="LC2" class="line" lang="plaintext">aaa</span> +<span id="LC3" class="line" lang="plaintext">~~~</span> +<span id="LC4" class="line" lang="plaintext">```</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1591:1-1595:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><pre><code>aaa</span> +<span id="LC2" class="line" lang="plaintext">~~~</span> +<span id="LC3" class="line" lang="plaintext"></code></pre></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1598:1-1603:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">~~~</span> +<span id="LC2" class="line" lang="plaintext">aaa</span> +<span id="LC3" class="line" lang="plaintext">```</span> +<span id="LC4" class="line" lang="plaintext">~~~</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1605:1-1609:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><pre><code>aaa</span> +<span id="LC2" class="line" lang="plaintext">```</span> +<span id="LC3" class="line" lang="plaintext"></code></pre></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="1612:1-1612:69" dir="auto">The closing code fence must be at least as long as the opening fence:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1614:1-1619:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">````</span> +<span id="LC2" class="line" lang="plaintext">aaa</span> +<span id="LC3" class="line" lang="plaintext">```</span> +<span id="LC4" class="line" lang="plaintext">``````</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1621:1-1625:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><pre><code>aaa</span> +<span id="LC2" class="line" lang="plaintext">```</span> +<span id="LC3" class="line" lang="plaintext"></code></pre></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1628:1-1633:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">~~~~</span> +<span id="LC2" class="line" lang="plaintext">aaa</span> +<span id="LC3" class="line" lang="plaintext">~~~</span> +<span id="LC4" class="line" lang="plaintext">~~~~</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1635:1-1639:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><pre><code>aaa</span> +<span id="LC2" class="line" lang="plaintext">~~~</span> +<span id="LC3" class="line" lang="plaintext"></code></pre></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="1642:1-1643:74" dir="auto">Unclosed code blocks are closed by the end of the document +(or the enclosing [block quote][block quotes] or [list item][list items]):</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1645:1-1647:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">```</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1649:1-1651:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><pre><code></code></pre></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1654:1-1659:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">`````</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">```</span> +<span id="LC4" class="line" lang="plaintext">aaa</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1661:1-1666:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><pre><code></span> +<span id="LC2" class="line" lang="plaintext">```</span> +<span id="LC3" class="line" lang="plaintext">aaa</span> +<span id="LC4" class="line" lang="plaintext"></code></pre></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1669:1-1674:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">> ```</span> +<span id="LC2" class="line" lang="plaintext">> aaa</span> +<span id="LC3" class="line" lang="plaintext"></span> +<span id="LC4" class="line" lang="plaintext">bbb</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1676:1-1682:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><blockquote></span> +<span id="LC2" class="line" lang="plaintext"><pre><code>aaa</span> +<span id="LC3" class="line" lang="plaintext"></code></pre></span> +<span id="LC4" class="line" lang="plaintext"></blockquote></span> +<span id="LC5" class="line" lang="plaintext"><p>bbb</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="1685:1-1685:53" dir="auto">A code block can have all empty lines as its content:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1687:1-1692:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">```</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext"> </span> +<span id="LC4" class="line" lang="plaintext">```</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1694:1-1698:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><pre><code></span> +<span id="LC2" class="line" lang="plaintext"> </span> +<span id="LC3" class="line" lang="plaintext"></code></pre></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="1701:1-1701:26" dir="auto">A code block can be empty:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1703:1-1706:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">```</span> +<span id="LC2" class="line" lang="plaintext">```</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1708:1-1710:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><pre><code></code></pre></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="1713:1-1715:11" dir="auto">Fences can be indented. If the opening fence is indented, +content lines will have equivalent opening indentation removed, +if present:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1717:1-1722:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> ```</span> +<span id="LC2" class="line" lang="plaintext"> aaa</span> +<span id="LC3" class="line" lang="plaintext">aaa</span> +<span id="LC4" class="line" lang="plaintext">```</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1724:1-1728:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><pre><code>aaa</span> +<span id="LC2" class="line" lang="plaintext">aaa</span> +<span id="LC3" class="line" lang="plaintext"></code></pre></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1731:1-1737:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> ```</span> +<span id="LC2" class="line" lang="plaintext">aaa</span> +<span id="LC3" class="line" lang="plaintext"> aaa</span> +<span id="LC4" class="line" lang="plaintext">aaa</span> +<span id="LC5" class="line" lang="plaintext"> ```</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1739:1-1744:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><pre><code>aaa</span> +<span id="LC2" class="line" lang="plaintext">aaa</span> +<span id="LC3" class="line" lang="plaintext">aaa</span> +<span id="LC4" class="line" lang="plaintext"></code></pre></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1747:1-1753:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> ```</span> +<span id="LC2" class="line" lang="plaintext"> aaa</span> +<span id="LC3" class="line" lang="plaintext"> aaa</span> +<span id="LC4" class="line" lang="plaintext"> aaa</span> +<span id="LC5" class="line" lang="plaintext"> ```</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1755:1-1760:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><pre><code>aaa</span> +<span id="LC2" class="line" lang="plaintext"> aaa</span> +<span id="LC3" class="line" lang="plaintext">aaa</span> +<span id="LC4" class="line" lang="plaintext"></code></pre></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="1763:1-1763:56" dir="auto">Four spaces indentation produces an indented code block:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1765:1-1769:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> ```</span> +<span id="LC2" class="line" lang="plaintext"> aaa</span> +<span id="LC3" class="line" lang="plaintext"> ```</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1771:1-1776:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><pre><code>```</span> +<span id="LC2" class="line" lang="plaintext">aaa</span> +<span id="LC3" class="line" lang="plaintext">```</span> +<span id="LC4" class="line" lang="plaintext"></code></pre></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="1779:1-1780:41" dir="auto">Closing fences may be indented by 0-3 spaces, and their indentation +need not match that of the opening fence:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1782:1-1786:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">```</span> +<span id="LC2" class="line" lang="plaintext">aaa</span> +<span id="LC3" class="line" lang="plaintext"> ```</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1788:1-1791:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><pre><code>aaa</span> +<span id="LC2" class="line" lang="plaintext"></code></pre></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1794:1-1798:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> ```</span> +<span id="LC2" class="line" lang="plaintext">aaa</span> +<span id="LC3" class="line" lang="plaintext"> ```</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1800:1-1803:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><pre><code>aaa</span> +<span id="LC2" class="line" lang="plaintext"></code></pre></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="1806:1-1806:61" dir="auto">This is not a closing fence, because it is indented 4 spaces:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1808:1-1812:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">```</span> +<span id="LC2" class="line" lang="plaintext">aaa</span> +<span id="LC3" class="line" lang="plaintext"> ```</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1814:1-1818:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><pre><code>aaa</span> +<span id="LC2" class="line" lang="plaintext"> ```</span> +<span id="LC3" class="line" lang="plaintext"></code></pre></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="1822:1-1822:65" dir="auto">Code fences (opening and closing) cannot contain internal spaces:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1824:1-1827:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">``` ```</span> +<span id="LC2" class="line" lang="plaintext">aaa</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1829:1-1832:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><code> </code></span> +<span id="LC2" class="line" lang="plaintext">aaa</p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1835:1-1839:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">~~~~~~</span> +<span id="LC2" class="line" lang="plaintext">aaa</span> +<span id="LC3" class="line" lang="plaintext">~~~ ~~</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1841:1-1845:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><pre><code>aaa</span> +<span id="LC2" class="line" lang="plaintext">~~~ ~~</span> +<span id="LC3" class="line" lang="plaintext"></code></pre></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="1848:1-1849:53" dir="auto">Fenced code blocks can interrupt paragraphs, and can be followed +directly by paragraphs, without a blank line between:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1851:1-1857:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo</span> +<span id="LC2" class="line" lang="plaintext">```</span> +<span id="LC3" class="line" lang="plaintext">bar</span> +<span id="LC4" class="line" lang="plaintext">```</span> +<span id="LC5" class="line" lang="plaintext">baz</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1859:1-1864:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>foo</p></span> +<span id="LC2" class="line" lang="plaintext"><pre><code>bar</span> +<span id="LC3" class="line" lang="plaintext"></code></pre></span> +<span id="LC4" class="line" lang="plaintext"><p>baz</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="1867:1-1868:34" dir="auto">Other blocks can also occur before and after fenced code blocks +without an intervening blank line:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1870:1-1877:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo</span> +<span id="LC2" class="line" lang="plaintext">---</span> +<span id="LC3" class="line" lang="plaintext">~~~</span> +<span id="LC4" class="line" lang="plaintext">bar</span> +<span id="LC5" class="line" lang="plaintext">~~~</span> +<span id="LC6" class="line" lang="plaintext"># baz</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1879:1-1884:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><h2>foo</h2></span> +<span id="LC2" class="line" lang="plaintext"><pre><code>bar</span> +<span id="LC3" class="line" lang="plaintext"></code></pre></span> +<span id="LC4" class="line" lang="plaintext"><h1>baz</h1></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="1887:1-1892:45" dir="auto">An [info string] can be provided after the opening code fence. +Although this spec doesn't mandate any particular treatment of +the info string, the first word is typically used to specify +the language of the code block. In HTML output, the language is +normally indicated by adding a class to the <code>code</code> element consisting +of <code>language-</code> followed by the language name.</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1894:1-1900:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">```ruby</span> +<span id="LC2" class="line" lang="plaintext">def foo(x)</span> +<span id="LC3" class="line" lang="plaintext"> return 3</span> +<span id="LC4" class="line" lang="plaintext">end</span> +<span id="LC5" class="line" lang="plaintext">```</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1902:1-1907:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><pre><code class="language-ruby">def foo(x)</span> +<span id="LC2" class="line" lang="plaintext"> return 3</span> +<span id="LC3" class="line" lang="plaintext">end</span> +<span id="LC4" class="line" lang="plaintext"></code></pre></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1910:1-1916:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">~~~~ ruby startline=3 $%@#$</span> +<span id="LC2" class="line" lang="plaintext">def foo(x)</span> +<span id="LC3" class="line" lang="plaintext"> return 3</span> +<span id="LC4" class="line" lang="plaintext">end</span> +<span id="LC5" class="line" lang="plaintext">~~~~~~~</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1918:1-1923:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><pre><code class="language-ruby">def foo(x)</span> +<span id="LC2" class="line" lang="plaintext"> return 3</span> +<span id="LC3" class="line" lang="plaintext">end</span> +<span id="LC4" class="line" lang="plaintext"></code></pre></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1926:1-1929:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">````;</span> +<span id="LC2" class="line" lang="plaintext">````</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1931:1-1933:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><pre><code class="language-;"></code></pre></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="1936:1-1936:65" dir="auto">[Info strings] for backtick code blocks cannot contain backticks:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1938:1-1941:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">``` aa ```</span> +<span id="LC2" class="line" lang="plaintext">foo</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1943:1-1946:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><code>aa</code></span> +<span id="LC2" class="line" lang="plaintext">foo</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="1949:1-1949:70" dir="auto">[Info strings] for tilde code blocks can contain backticks and tildes:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1951:1-1955:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">~~~ aa ``` ~~~</span> +<span id="LC2" class="line" lang="plaintext">foo</span> +<span id="LC3" class="line" lang="plaintext">~~~</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1957:1-1960:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><pre><code class="language-aa">foo</span> +<span id="LC2" class="line" lang="plaintext"></code></pre></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="1963:1-1963:47" dir="auto">Closing code fences cannot have [info strings]:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1965:1-1969:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">```</span> +<span id="LC2" class="line" lang="plaintext">``` aaa</span> +<span id="LC3" class="line" lang="plaintext">```</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1971:1-1974:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><pre><code>``` aaa</span> +<span id="LC2" class="line" lang="plaintext"></code></pre></span></code></pre> +<copy-code></copy-code> +</div> +<h2 data-sourcepos="1978:1-1978:14" dir="auto"> +<a id="user-content-html-blocks" class="anchor" href="#html-blocks" aria-hidden="true"></a>HTML blocks</h2> +<p data-sourcepos="1980:1-1981:53" dir="auto">An <a href="@">HTML block</a> is a group of lines that is treated +as raw HTML (and will not be escaped in HTML output).</p> +<p data-sourcepos="1983:1-1991:50" dir="auto">There are seven kinds of [HTML block], which can be defined by their +start and end conditions. The block begins with a line that meets a +<a href="@">start condition</a> (after up to three spaces optional indentation). +It ends with the first subsequent line that meets a matching <a href="@">end +condition</a>, or the last line of the document, or the last line of +the <a href="#container-blocks">container block</a> containing the current HTML +block, if no line is encountered that meets the [end condition]. If +the first line meets both the [start condition] and the [end +condition], the block will contain just that line.</p> +<ol data-sourcepos="1993:1-2034:0" dir="auto"> +<li data-sourcepos="1993:1-1999:0"> +<p data-sourcepos="1993:5-1998:30"><strong>Start condition:</strong> line begins with the string <code><script</code>, +<code><pre</code>, or <code><style</code> (case-insensitive), followed by whitespace, +the string <code>></code>, or the end of the line.<br> +<strong>End condition:</strong> line contains an end tag +<code></script></code>, <code></pre></code>, or <code></style></code> (case-insensitive; it +need not match the start tag).</p> +</li> +<li data-sourcepos="2000:1-2002:0"> +<p data-sourcepos="2000:5-2001:51"><strong>Start condition:</strong> line begins with the string <code><!--</code>.<br> +<strong>End condition:</strong> line contains the string <code>--></code>.</p> +</li> +<li data-sourcepos="2003:1-2005:0"> +<p data-sourcepos="2003:5-2004:49"><strong>Start condition:</strong> line begins with the string <code><?</code>.<br> +<strong>End condition:</strong> line contains the string <code>?></code>.</p> +</li> +<li data-sourcepos="2006:1-2009:0"> +<p data-sourcepos="2006:5-2008:51"><strong>Start condition:</strong> line begins with the string <code><!</code> +followed by an uppercase ASCII letter.<br> +<strong>End condition:</strong> line contains the character <code>></code>.</p> +</li> +<li data-sourcepos="2010:1-2013:0"> +<p data-sourcepos="2010:5-2012:50"><strong>Start condition:</strong> line begins with the string +<code><![CDATA[</code>.<br> +<strong>End condition:</strong> line contains the string <code>]]></code>.</p> +</li> +<li data-sourcepos="2014:1-2028:0"> +<p data-sourcepos="2014:5-2027:54"><strong>Start condition:</strong> line begins the string <code><</code> or <code></</code> +followed by one of the strings (case-insensitive) <code>address</code>, +<code>article</code>, <code>aside</code>, <code>base</code>, <code>basefont</code>, <code>blockquote</code>, <code>body</code>, +<code>caption</code>, <code>center</code>, <code>col</code>, <code>colgroup</code>, <code>dd</code>, <code>details</code>, <code>dialog</code>, +<code>dir</code>, <code>div</code>, <code>dl</code>, <code>dt</code>, <code>fieldset</code>, <code>figcaption</code>, <code>figure</code>, +<code>footer</code>, <code>form</code>, <code>frame</code>, <code>frameset</code>, +<code>h1</code>, <code>h2</code>, <code>h3</code>, <code>h4</code>, <code>h5</code>, <code>h6</code>, <code>head</code>, <code>header</code>, <code>hr</code>, +<code>html</code>, <code>iframe</code>, <code>legend</code>, <code>li</code>, <code>link</code>, <code>main</code>, <code>menu</code>, <code>menuitem</code>, +<code>nav</code>, <code>noframes</code>, <code>ol</code>, <code>optgroup</code>, <code>option</code>, <code>p</code>, <code>param</code>, +<code>section</code>, <code>summary</code>, <code>table</code>, <code>tbody</code>, <code>td</code>, +<code>tfoot</code>, <code>th</code>, <code>thead</code>, <code>title</code>, <code>tr</code>, <code>track</code>, <code>ul</code>, followed +by [whitespace], the end of the line, the string <code>></code>, or +the string <code>/></code>.<br> +<strong>End condition:</strong> line is followed by a [blank line].</p> +</li> +<li data-sourcepos="2029:1-2034:0"> +<p data-sourcepos="2029:5-2033:54"><strong>Start condition:</strong> line begins with a complete [open tag] +(with any [tag name] other than <code>script</code>, +<code>style</code>, or <code>pre</code>) or a complete [closing tag], +followed only by [whitespace] or the end of the line.<br> +<strong>End condition:</strong> line is followed by a [blank line].</p> +</li> +</ol> +<p data-sourcepos="2035:1-2040:19" dir="auto">HTML blocks continue until they are closed by their appropriate +[end condition], or the last line of the document or other <a href="#container-blocks">container +block</a>. This means any HTML <strong>within an HTML +block</strong> that might otherwise be recognised as a start condition will +be ignored by the parser and passed through as-is, without changing +the parser's state.</p> +<p data-sourcepos="2042:1-2044:51" dir="auto">For instance, <code><pre></code> within a HTML block started by <code><table></code> will not affect +the parser state; as the HTML block was started in by start condition 6, it +will end at any blank line. This can be surprising:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2046:1-2054:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><table><tr><td></span> +<span id="LC2" class="line" lang="plaintext"><pre></span> +<span id="LC3" class="line" lang="plaintext">**Hello**,</span> +<span id="LC4" class="line" lang="plaintext"></span> +<span id="LC5" class="line" lang="plaintext">_world_.</span> +<span id="LC6" class="line" lang="plaintext"></pre></span> +<span id="LC7" class="line" lang="plaintext"></td></tr></table></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2056:1-2063:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><table><tr><td></span> +<span id="LC2" class="line" lang="plaintext"><pre></span> +<span id="LC3" class="line" lang="plaintext">**Hello**,</span> +<span id="LC4" class="line" lang="plaintext"><p><em>world</em>.</span> +<span id="LC5" class="line" lang="plaintext"></pre></p></span> +<span id="LC6" class="line" lang="plaintext"></td></tr></table></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="2065:1-2067:55" dir="auto">In this case, the HTML block is terminated by the newline — the <code>**Hello**</code> +text remains verbatim — and regular parsing resumes, with a paragraph, +emphasised <code>world</code> and inline and block HTML following.</p> +<p data-sourcepos="2069:1-2072:65" dir="auto">All types of [HTML blocks] except type 7 may interrupt +a paragraph. Blocks of type 7 may not interrupt a paragraph. +(This restriction is intended to prevent unwanted interpretation +of long tags inside a wrapped paragraph as starting HTML blocks.)</p> +<p data-sourcepos="2074:1-2075:10" dir="auto">Some simple examples follow. Here are some basic HTML blocks +of type 6:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2077:1-2087:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><table></span> +<span id="LC2" class="line" lang="plaintext"> <tr></span> +<span id="LC3" class="line" lang="plaintext"> <td></span> +<span id="LC4" class="line" lang="plaintext"> hi</span> +<span id="LC5" class="line" lang="plaintext"> </td></span> +<span id="LC6" class="line" lang="plaintext"> </tr></span> +<span id="LC7" class="line" lang="plaintext"></table></span> +<span id="LC8" class="line" lang="plaintext"></span> +<span id="LC9" class="line" lang="plaintext">okay.</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2089:1-2098:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><table></span> +<span id="LC2" class="line" lang="plaintext"> <tr></span> +<span id="LC3" class="line" lang="plaintext"> <td></span> +<span id="LC4" class="line" lang="plaintext"> hi</span> +<span id="LC5" class="line" lang="plaintext"> </td></span> +<span id="LC6" class="line" lang="plaintext"> </tr></span> +<span id="LC7" class="line" lang="plaintext"></table></span> +<span id="LC8" class="line" lang="plaintext"><p>okay.</p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2101:1-2105:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> <div></span> +<span id="LC2" class="line" lang="plaintext"> *hello*</span> +<span id="LC3" class="line" lang="plaintext"> <foo><a></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2107:1-2111:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> <div></span> +<span id="LC2" class="line" lang="plaintext"> *hello*</span> +<span id="LC3" class="line" lang="plaintext"> <foo><a></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="2114:1-2114:42" dir="auto">A block can also start with a closing tag:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2116:1-2119:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"></div></span> +<span id="LC2" class="line" lang="plaintext">*foo*</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2121:1-2124:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"></div></span> +<span id="LC2" class="line" lang="plaintext">*foo*</span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="2127:1-2127:68" dir="auto">Here we have two HTML blocks with a Markdown paragraph between them:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2129:1-2135:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><DIV CLASS="foo"></span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">*Markdown*</span> +<span id="LC4" class="line" lang="plaintext"></span> +<span id="LC5" class="line" lang="plaintext"></DIV></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2137:1-2141:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><DIV CLASS="foo"></span> +<span id="LC2" class="line" lang="plaintext"><p><em>Markdown</em></p></span> +<span id="LC3" class="line" lang="plaintext"></DIV></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="2144:1-2145:47" dir="auto">The tag on the first line can be partial, as long +as it is split where there would be whitespace:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2147:1-2151:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><div id="foo"</span> +<span id="LC2" class="line" lang="plaintext"> class="bar"></span> +<span id="LC3" class="line" lang="plaintext"></div></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2153:1-2157:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><div id="foo"</span> +<span id="LC2" class="line" lang="plaintext"> class="bar"></span> +<span id="LC3" class="line" lang="plaintext"></div></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2160:1-2164:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><div id="foo" class="bar</span> +<span id="LC2" class="line" lang="plaintext"> baz"></span> +<span id="LC3" class="line" lang="plaintext"></div></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2166:1-2170:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><div id="foo" class="bar</span> +<span id="LC2" class="line" lang="plaintext"> baz"></span> +<span id="LC3" class="line" lang="plaintext"></div></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="2173:1-2173:31" dir="auto">An open tag need not be closed:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2174:1-2179:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><div></span> +<span id="LC2" class="line" lang="plaintext">*foo*</span> +<span id="LC3" class="line" lang="plaintext"></span> +<span id="LC4" class="line" lang="plaintext">*bar*</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2181:1-2185:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><div></span> +<span id="LC2" class="line" lang="plaintext">*foo*</span> +<span id="LC3" class="line" lang="plaintext"><p><em>bar</em></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="2189:1-2190:17" dir="auto">A partial tag need not even be completed (garbage +in, garbage out):</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2192:1-2195:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><div id="foo"</span> +<span id="LC2" class="line" lang="plaintext">*hi*</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2197:1-2200:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><div id="foo"</span> +<span id="LC2" class="line" lang="plaintext">*hi*</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2203:1-2206:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><div class</span> +<span id="LC2" class="line" lang="plaintext">foo</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2208:1-2211:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><div class</span> +<span id="LC2" class="line" lang="plaintext">foo</span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="2214:1-2215:35" dir="auto">The initial tag doesn't even need to be a valid +tag, as long as it starts like one:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2217:1-2220:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><div *???-&&&-<---</span> +<span id="LC2" class="line" lang="plaintext">*foo*</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2222:1-2225:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><div *???-&&&-<---</span> +<span id="LC2" class="line" lang="plaintext">*foo*</span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="2228:1-2229:7" dir="auto">In type 6 blocks, the initial tag need not be on a line by +itself:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2231:1-2233:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><div><a href="bar">*foo*</a></div></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2235:1-2237:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><div><a href="bar">*foo*</a></div></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2240:1-2244:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><table><tr><td></span> +<span id="LC2" class="line" lang="plaintext">foo</span> +<span id="LC3" class="line" lang="plaintext"></td></tr></table></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2246:1-2250:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><table><tr><td></span> +<span id="LC2" class="line" lang="plaintext">foo</span> +<span id="LC3" class="line" lang="plaintext"></td></tr></table></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="2253:1-2257:43" dir="auto">Everything until the next blank line or end of document +gets included in the HTML block. So, in the following +example, what looks like a Markdown code block +is actually part of the HTML block, which continues until a blank +line or the end of the document is reached:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2259:1-2264:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><div></div></span> +<span id="LC2" class="line" lang="plaintext">``` c</span> +<span id="LC3" class="line" lang="plaintext">int x = 33;</span> +<span id="LC4" class="line" lang="plaintext">```</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2266:1-2271:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><div></div></span> +<span id="LC2" class="line" lang="plaintext">``` c</span> +<span id="LC3" class="line" lang="plaintext">int x = 33;</span> +<span id="LC4" class="line" lang="plaintext">```</span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="2274:1-2276:51" dir="auto">To start an [HTML block] with a tag that is <em>not</em> in the +list of block-level tags in (6), you must put the tag by +itself on the first line (and it must be complete):</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2278:1-2282:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><a href="foo"></span> +<span id="LC2" class="line" lang="plaintext">*bar*</span> +<span id="LC3" class="line" lang="plaintext"></a></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2284:1-2288:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><a href="foo"></span> +<span id="LC2" class="line" lang="plaintext">*bar*</span> +<span id="LC3" class="line" lang="plaintext"></a></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="2291:1-2291:49" dir="auto">In type 7 blocks, the [tag name] can be anything:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2293:1-2297:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><Warning></span> +<span id="LC2" class="line" lang="plaintext">*bar*</span> +<span id="LC3" class="line" lang="plaintext"></Warning></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2299:1-2303:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><Warning></span> +<span id="LC2" class="line" lang="plaintext">*bar*</span> +<span id="LC3" class="line" lang="plaintext"></Warning></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2306:1-2310:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><i class="foo"></span> +<span id="LC2" class="line" lang="plaintext">*bar*</span> +<span id="LC3" class="line" lang="plaintext"></i></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2312:1-2316:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><i class="foo"></span> +<span id="LC2" class="line" lang="plaintext">*bar*</span> +<span id="LC3" class="line" lang="plaintext"></i></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2319:1-2322:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"></ins></span> +<span id="LC2" class="line" lang="plaintext">*bar*</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2324:1-2327:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"></ins></span> +<span id="LC2" class="line" lang="plaintext">*bar*</span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="2330:1-2334:59" dir="auto">These rules are designed to allow us to work with tags that +can function as either block-level or inline-level tags. +The <code><del></code> tag is a nice example. We can surround content with +<code><del></code> tags in three different ways. In this case, we get a raw +HTML block, because the <code><del></code> tag is on a line by itself:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2336:1-2340:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><del></span> +<span id="LC2" class="line" lang="plaintext">*foo*</span> +<span id="LC3" class="line" lang="plaintext"></del></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2342:1-2346:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><del></span> +<span id="LC2" class="line" lang="plaintext">*foo*</span> +<span id="LC3" class="line" lang="plaintext"></del></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="2349:1-2351:54" dir="auto">In this case, we get a raw HTML block that just includes +the <code><del></code> tag (because it ends with the following blank +line). So the contents get interpreted as CommonMark:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2353:1-2359:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><del></span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">*foo*</span> +<span id="LC4" class="line" lang="plaintext"></span> +<span id="LC5" class="line" lang="plaintext"></del></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2361:1-2365:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><del></span> +<span id="LC2" class="line" lang="plaintext"><p><em>foo</em></p></span> +<span id="LC3" class="line" lang="plaintext"></del></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="2368:1-2371:29" dir="auto">Finally, in this case, the <code><del></code> tags are interpreted +as [raw HTML] <em>inside</em> the CommonMark paragraph. (Because +the tag is not on a line by itself, we get inline HTML +rather than an [HTML block].)</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2373:1-2375:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><del>*foo*</del></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2377:1-2379:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><del><em>foo</em></del></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="2382:1-2387:50" dir="auto">HTML tags designed to contain literal content +(<code>script</code>, <code>style</code>, <code>pre</code>), comments, processing instructions, +and declarations are treated somewhat differently. +Instead of ending at the first blank line, these blocks +end at the first line containing a corresponding end tag. +As a result, these blocks can contain blank lines:</p> +<p data-sourcepos="2389:1-2389:19" dir="auto">A pre tag (type 1):</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2391:1-2399:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><pre language="haskell"><code></span> +<span id="LC2" class="line" lang="plaintext">import Text.HTML.TagSoup</span> +<span id="LC3" class="line" lang="plaintext"></span> +<span id="LC4" class="line" lang="plaintext">main :: IO ()</span> +<span id="LC5" class="line" lang="plaintext">main = print $ parseTags tags</span> +<span id="LC6" class="line" lang="plaintext"></code></pre></span> +<span id="LC7" class="line" lang="plaintext">okay</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2401:1-2409:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><pre language="haskell"><code></span> +<span id="LC2" class="line" lang="plaintext">import Text.HTML.TagSoup</span> +<span id="LC3" class="line" lang="plaintext"></span> +<span id="LC4" class="line" lang="plaintext">main :: IO ()</span> +<span id="LC5" class="line" lang="plaintext">main = print $ parseTags tags</span> +<span id="LC6" class="line" lang="plaintext"></code></pre></span> +<span id="LC7" class="line" lang="plaintext"><p>okay</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="2412:1-2412:22" dir="auto">A script tag (type 1):</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2414:1-2421:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><script type="text/javascript"></span> +<span id="LC2" class="line" lang="plaintext">// JavaScript example</span> +<span id="LC3" class="line" lang="plaintext"></span> +<span id="LC4" class="line" lang="plaintext">document.getElementById("demo").innerHTML = "Hello JavaScript!";</span> +<span id="LC5" class="line" lang="plaintext"></script></span> +<span id="LC6" class="line" lang="plaintext">okay</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2423:1-2430:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><script type="text/javascript"></span> +<span id="LC2" class="line" lang="plaintext">// JavaScript example</span> +<span id="LC3" class="line" lang="plaintext"></span> +<span id="LC4" class="line" lang="plaintext">document.getElementById("demo").innerHTML = "Hello JavaScript!";</span> +<span id="LC5" class="line" lang="plaintext"></script></span> +<span id="LC6" class="line" lang="plaintext"><p>okay</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="2433:1-2433:21" dir="auto">A style tag (type 1):</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2435:1-2443:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><style</span> +<span id="LC2" class="line" lang="plaintext"> type="text/css"></span> +<span id="LC3" class="line" lang="plaintext">h1 {color:red;}</span> +<span id="LC4" class="line" lang="plaintext"></span> +<span id="LC5" class="line" lang="plaintext">p {color:blue;}</span> +<span id="LC6" class="line" lang="plaintext"></style></span> +<span id="LC7" class="line" lang="plaintext">okay</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2445:1-2453:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><style</span> +<span id="LC2" class="line" lang="plaintext"> type="text/css"></span> +<span id="LC3" class="line" lang="plaintext">h1 {color:red;}</span> +<span id="LC4" class="line" lang="plaintext"></span> +<span id="LC5" class="line" lang="plaintext">p {color:blue;}</span> +<span id="LC6" class="line" lang="plaintext"></style></span> +<span id="LC7" class="line" lang="plaintext"><p>okay</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="2456:1-2458:28" dir="auto">If there is no matching end tag, the block will end at the +end of the document (or the enclosing [block quote][block quotes] +or [list item][list items]):</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2460:1-2465:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><style</span> +<span id="LC2" class="line" lang="plaintext"> type="text/css"></span> +<span id="LC3" class="line" lang="plaintext"></span> +<span id="LC4" class="line" lang="plaintext">foo</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2467:1-2472:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><style</span> +<span id="LC2" class="line" lang="plaintext"> type="text/css"></span> +<span id="LC3" class="line" lang="plaintext"></span> +<span id="LC4" class="line" lang="plaintext">foo</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2475:1-2480:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">> <div></span> +<span id="LC2" class="line" lang="plaintext">> foo</span> +<span id="LC3" class="line" lang="plaintext"></span> +<span id="LC4" class="line" lang="plaintext">bar</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2482:1-2488:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><blockquote></span> +<span id="LC2" class="line" lang="plaintext"><div></span> +<span id="LC3" class="line" lang="plaintext">foo</span> +<span id="LC4" class="line" lang="plaintext"></blockquote></span> +<span id="LC5" class="line" lang="plaintext"><p>bar</p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2491:1-2494:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- <div></span> +<span id="LC2" class="line" lang="plaintext">- foo</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2496:1-2503:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ul></span> +<span id="LC2" class="line" lang="plaintext"><li></span> +<span id="LC3" class="line" lang="plaintext"><div></span> +<span id="LC4" class="line" lang="plaintext"></li></span> +<span id="LC5" class="line" lang="plaintext"><li>foo</li></span> +<span id="LC6" class="line" lang="plaintext"></ul></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="2506:1-2506:56" dir="auto">The end tag can occur on the same line as the start tag:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2508:1-2511:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><style>p{color:red;}</style></span> +<span id="LC2" class="line" lang="plaintext">*foo*</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2513:1-2516:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><style>p{color:red;}</style></span> +<span id="LC2" class="line" lang="plaintext"><p><em>foo</em></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2519:1-2522:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><!-- foo -->*bar*</span> +<span id="LC2" class="line" lang="plaintext">*baz*</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2524:1-2527:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><!-- foo -->*bar*</span> +<span id="LC2" class="line" lang="plaintext"><p><em>baz</em></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="2530:1-2531:45" dir="auto">Note that anything on the last line after the +end tag will be included in the [HTML block]:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2533:1-2537:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><script></span> +<span id="LC2" class="line" lang="plaintext">foo</span> +<span id="LC3" class="line" lang="plaintext"></script>1. *bar*</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2539:1-2543:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><script></span> +<span id="LC2" class="line" lang="plaintext">foo</span> +<span id="LC3" class="line" lang="plaintext"></script>1. *bar*</span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="2546:1-2546:19" dir="auto">A comment (type 2):</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2548:1-2554:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><!-- Foo</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">bar</span> +<span id="LC4" class="line" lang="plaintext"> baz --></span> +<span id="LC5" class="line" lang="plaintext">okay</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2556:1-2562:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><!-- Foo</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">bar</span> +<span id="LC4" class="line" lang="plaintext"> baz --></span> +<span id="LC5" class="line" lang="plaintext"><p>okay</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="2566:1-2566:34" dir="auto">A processing instruction (type 3):</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2568:1-2575:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><?php</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext"> echo '>';</span> +<span id="LC4" class="line" lang="plaintext"></span> +<span id="LC5" class="line" lang="plaintext">?></span> +<span id="LC6" class="line" lang="plaintext">okay</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2577:1-2584:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><?php</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext"> echo '>';</span> +<span id="LC4" class="line" lang="plaintext"></span> +<span id="LC5" class="line" lang="plaintext">?></span> +<span id="LC6" class="line" lang="plaintext"><p>okay</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="2587:1-2587:23" dir="auto">A declaration (type 4):</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2589:1-2591:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><!DOCTYPE html></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2593:1-2595:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><!DOCTYPE html></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="2598:1-2598:15" dir="auto">CDATA (type 5):</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2600:1-2614:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><![CDATA[</span> +<span id="LC2" class="line" lang="plaintext">function matchwo(a,b)</span> +<span id="LC3" class="line" lang="plaintext">{</span> +<span id="LC4" class="line" lang="plaintext"> if (a < b && a < 0) then {</span> +<span id="LC5" class="line" lang="plaintext"> return 1;</span> +<span id="LC6" class="line" lang="plaintext"></span> +<span id="LC7" class="line" lang="plaintext"> } else {</span> +<span id="LC8" class="line" lang="plaintext"></span> +<span id="LC9" class="line" lang="plaintext"> return 0;</span> +<span id="LC10" class="line" lang="plaintext"> }</span> +<span id="LC11" class="line" lang="plaintext">}</span> +<span id="LC12" class="line" lang="plaintext">]]></span> +<span id="LC13" class="line" lang="plaintext">okay</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2616:1-2630:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><![CDATA[</span> +<span id="LC2" class="line" lang="plaintext">function matchwo(a,b)</span> +<span id="LC3" class="line" lang="plaintext">{</span> +<span id="LC4" class="line" lang="plaintext"> if (a < b && a < 0) then {</span> +<span id="LC5" class="line" lang="plaintext"> return 1;</span> +<span id="LC6" class="line" lang="plaintext"></span> +<span id="LC7" class="line" lang="plaintext"> } else {</span> +<span id="LC8" class="line" lang="plaintext"></span> +<span id="LC9" class="line" lang="plaintext"> return 0;</span> +<span id="LC10" class="line" lang="plaintext"> }</span> +<span id="LC11" class="line" lang="plaintext">}</span> +<span id="LC12" class="line" lang="plaintext">]]></span> +<span id="LC13" class="line" lang="plaintext"><p>okay</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="2633:1-2633:54" dir="auto">The opening tag can be indented 1-3 spaces, but not 4:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2635:1-2639:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> <!-- foo --></span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext"> <!-- foo --></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2641:1-2645:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> <!-- foo --></span> +<span id="LC2" class="line" lang="plaintext"><pre><code>&lt;!-- foo --&gt;</span> +<span id="LC3" class="line" lang="plaintext"></code></pre></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2648:1-2652:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> <div></span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext"> <div></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2654:1-2658:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> <div></span> +<span id="LC2" class="line" lang="plaintext"><pre><code>&lt;div&gt;</span> +<span id="LC3" class="line" lang="plaintext"></code></pre></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="2661:1-2662:25" dir="auto">An HTML block of types 1--6 can interrupt a paragraph, and need not be +preceded by a blank line.</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2664:1-2669:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">Foo</span> +<span id="LC2" class="line" lang="plaintext"><div></span> +<span id="LC3" class="line" lang="plaintext">bar</span> +<span id="LC4" class="line" lang="plaintext"></div></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2671:1-2676:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>Foo</p></span> +<span id="LC2" class="line" lang="plaintext"><div></span> +<span id="LC3" class="line" lang="plaintext">bar</span> +<span id="LC4" class="line" lang="plaintext"></div></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="2679:1-2681:7" dir="auto">However, a following blank line is needed, except at the end of +a document, and except for blocks of types 1--5, [above][HTML +block]:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2683:1-2688:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><div></span> +<span id="LC2" class="line" lang="plaintext">bar</span> +<span id="LC3" class="line" lang="plaintext"></div></span> +<span id="LC4" class="line" lang="plaintext">*foo*</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2690:1-2695:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><div></span> +<span id="LC2" class="line" lang="plaintext">bar</span> +<span id="LC3" class="line" lang="plaintext"></div></span> +<span id="LC4" class="line" lang="plaintext">*foo*</span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="2698:1-2698:51" dir="auto">HTML blocks of type 7 cannot interrupt a paragraph:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2700:1-2704:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">Foo</span> +<span id="LC2" class="line" lang="plaintext"><a href="bar"></span> +<span id="LC3" class="line" lang="plaintext">baz</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2706:1-2710:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>Foo</span> +<span id="LC2" class="line" lang="plaintext"><a href="bar"></span> +<span id="LC3" class="line" lang="plaintext">baz</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="2713:1-2714:26" dir="auto">This rule differs from John Gruber's original Markdown syntax +specification, which says:</p> +<blockquote data-sourcepos="2716:1-2719:51" dir="auto"> +<p data-sourcepos="2716:3-2719:51">The only restrictions are that block-level HTML elements — +e.g. <code><div></code>, <code><table></code>, <code><pre></code>, <code><p></code>, etc. — must be separated from +surrounding content by blank lines, and the start and end tags of the +block should not be indented with tabs or spaces.</p> +</blockquote> +<p data-sourcepos="2721:1-2722:5" dir="auto">In some ways Gruber's rule is more restrictive than the one given +here:</p> +<ul data-sourcepos="2724:1-2728:0" dir="auto"> +<li data-sourcepos="2724:1-2724:61">It requires that an HTML block be preceded by a blank line.</li> +<li data-sourcepos="2725:1-2725:49">It does not allow the start tag to be indented.</li> +<li data-sourcepos="2726:1-2728:0">It requires a matching end tag, which it also does not allow to +be indented.</li> +</ul> +<p data-sourcepos="2729:1-2730:34" dir="auto">Most Markdown implementations (including some of Gruber's own) do not +respect all of these restrictions.</p> +<p data-sourcepos="2732:1-2739:61" dir="auto">There is one respect, however, in which Gruber's rule is more liberal +than the one given here, since it allows blank lines to occur inside +an HTML block. There are two reasons for disallowing them here. +First, it removes the need to parse balanced tags, which is +expensive and can require backtracking from the end of the document +if no matching end tag is found. Second, it provides a very simple +and flexible way of including Markdown content inside HTML tags: +simply separate the Markdown from the HTML using blank lines:</p> +<p data-sourcepos="2741:1-2741:8" dir="auto">Compare:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2743:1-2749:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><div></span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">*Emphasized* text.</span> +<span id="LC4" class="line" lang="plaintext"></span> +<span id="LC5" class="line" lang="plaintext"></div></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2751:1-2755:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><div></span> +<span id="LC2" class="line" lang="plaintext"><p><em>Emphasized</em> text.</p></span> +<span id="LC3" class="line" lang="plaintext"></div></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2758:1-2762:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><div></span> +<span id="LC2" class="line" lang="plaintext">*Emphasized* text.</span> +<span id="LC3" class="line" lang="plaintext"></div></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2764:1-2768:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><div></span> +<span id="LC2" class="line" lang="plaintext">*Emphasized* text.</span> +<span id="LC3" class="line" lang="plaintext"></div></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="2771:1-2775:22" dir="auto">Some Markdown implementations have adopted a convention of +interpreting content inside tags as text if the open tag has +the attribute <code>markdown=1</code>. The rule given above seems a simpler and +more elegant way of achieving the same expressive power, which is also +much simpler to parse.</p> +<p data-sourcepos="2777:1-2780:59" dir="auto">The main potential drawback is that one can no longer paste HTML +blocks into Markdown documents with 100% reliability. However, +<em>in most cases</em> this will work fine, because the blank lines in +HTML are usually followed by HTML block tags. For example:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2782:1-2794:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><table></span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext"><tr></span> +<span id="LC4" class="line" lang="plaintext"></span> +<span id="LC5" class="line" lang="plaintext"><td></span> +<span id="LC6" class="line" lang="plaintext">Hi</span> +<span id="LC7" class="line" lang="plaintext"></td></span> +<span id="LC8" class="line" lang="plaintext"></span> +<span id="LC9" class="line" lang="plaintext"></tr></span> +<span id="LC10" class="line" lang="plaintext"></span> +<span id="LC11" class="line" lang="plaintext"></table></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2796:1-2804:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><table></span> +<span id="LC2" class="line" lang="plaintext"><tr></span> +<span id="LC3" class="line" lang="plaintext"><td></span> +<span id="LC4" class="line" lang="plaintext">Hi</span> +<span id="LC5" class="line" lang="plaintext"></td></span> +<span id="LC6" class="line" lang="plaintext"></tr></span> +<span id="LC7" class="line" lang="plaintext"></table></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="2807:1-2809:23" dir="auto">There are problems, however, if the inner tags are indented +<em>and</em> separated by spaces, as then they will be interpreted as +an indented code block:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2811:1-2823:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><table></span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext"> <tr></span> +<span id="LC4" class="line" lang="plaintext"></span> +<span id="LC5" class="line" lang="plaintext"> <td></span> +<span id="LC6" class="line" lang="plaintext"> Hi</span> +<span id="LC7" class="line" lang="plaintext"> </td></span> +<span id="LC8" class="line" lang="plaintext"></span> +<span id="LC9" class="line" lang="plaintext"> </tr></span> +<span id="LC10" class="line" lang="plaintext"></span> +<span id="LC11" class="line" lang="plaintext"></table></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2825:1-2834:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><table></span> +<span id="LC2" class="line" lang="plaintext"> <tr></span> +<span id="LC3" class="line" lang="plaintext"><pre><code>&lt;td&gt;</span> +<span id="LC4" class="line" lang="plaintext"> Hi</span> +<span id="LC5" class="line" lang="plaintext">&lt;/td&gt;</span> +<span id="LC6" class="line" lang="plaintext"></code></pre></span> +<span id="LC7" class="line" lang="plaintext"> </tr></span> +<span id="LC8" class="line" lang="plaintext"></table></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="2837:1-2840:26" dir="auto">Fortunately, blank lines are usually not necessary and can be +deleted. The exception is inside <code><pre></code> tags, but as described +[above][HTML blocks], raw HTML blocks starting with <code><pre></code> +<em>can</em> contain blank lines.</p> +<h2 data-sourcepos="2842:1-2842:29" dir="auto"> +<a id="user-content-link-reference-definitions" class="anchor" href="#link-reference-definitions" aria-hidden="true"></a>Link reference definitions</h2> +<p data-sourcepos="2844:1-2852:61" dir="auto">A <a href="@">link reference definition</a> +consists of a [link label], indented up to three spaces, followed +by a colon (<code>:</code>), optional [whitespace] (including up to one +[line ending]), a [link destination], +optional [whitespace] (including up to one +[line ending]), and an optional [link +title], which if it is present must be separated +from the [link destination] by [whitespace]. +No further [non-whitespace characters] may occur on the line.</p> +<p data-sourcepos="2854:1-2859:5" dir="auto">A [link reference definition] +does not correspond to a structural element of a document. Instead, it +defines a label which can be used in [reference links] +and reference-style [images] elsewhere in the document. [Link +reference definitions] can come either before or after the links that use +them.</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2861:1-2865:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo]: /url "title"</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">[foo]</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2867:1-2869:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="/url" title="title">foo</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2872:1-2878:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> [foo]: </span> +<span id="LC2" class="line" lang="plaintext"> /url </span> +<span id="LC3" class="line" lang="plaintext"> 'the title' </span> +<span id="LC4" class="line" lang="plaintext"></span> +<span id="LC5" class="line" lang="plaintext">[foo]</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2880:1-2882:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="/url" title="the title">foo</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2885:1-2889:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[Foo*bar\]]:my_(url) 'title (with parens)'</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">[Foo*bar\]]</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2891:1-2893:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="my_(url)" title="title (with parens)">Foo*bar]</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2896:1-2902:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[Foo bar]:</span> +<span id="LC2" class="line" lang="plaintext"><my url></span> +<span id="LC3" class="line" lang="plaintext">'title'</span> +<span id="LC4" class="line" lang="plaintext"></span> +<span id="LC5" class="line" lang="plaintext">[Foo bar]</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2904:1-2906:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="my%20url" title="title">Foo bar</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="2909:1-2909:41" dir="auto">The title may extend over multiple lines:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2911:1-2919:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo]: /url '</span> +<span id="LC2" class="line" lang="plaintext">title</span> +<span id="LC3" class="line" lang="plaintext">line1</span> +<span id="LC4" class="line" lang="plaintext">line2</span> +<span id="LC5" class="line" lang="plaintext">'</span> +<span id="LC6" class="line" lang="plaintext"></span> +<span id="LC7" class="line" lang="plaintext">[foo]</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2921:1-2927:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="/url" title="</span> +<span id="LC2" class="line" lang="plaintext">title</span> +<span id="LC3" class="line" lang="plaintext">line1</span> +<span id="LC4" class="line" lang="plaintext">line2</span> +<span id="LC5" class="line" lang="plaintext">">foo</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="2930:1-2930:43" dir="auto">However, it may not contain a [blank line]:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2932:1-2938:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo]: /url 'title</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">with blank line'</span> +<span id="LC4" class="line" lang="plaintext"></span> +<span id="LC5" class="line" lang="plaintext">[foo]</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2940:1-2944:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>[foo]: /url 'title</p></span> +<span id="LC2" class="line" lang="plaintext"><p>with blank line'</p></span> +<span id="LC3" class="line" lang="plaintext"><p>[foo]</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="2947:1-2947:25" dir="auto">The title may be omitted:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2949:1-2954:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo]:</span> +<span id="LC2" class="line" lang="plaintext">/url</span> +<span id="LC3" class="line" lang="plaintext"></span> +<span id="LC4" class="line" lang="plaintext">[foo]</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2956:1-2958:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="/url">foo</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="2961:1-2961:40" dir="auto">The link destination may not be omitted:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2963:1-2967:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo]:</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">[foo]</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2969:1-2972:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>[foo]:</p></span> +<span id="LC2" class="line" lang="plaintext"><p>[foo]</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="2974:2-2975:16" dir="auto">However, an empty link destination may be specified using +angle brackets:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2977:1-2981:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo]: <></span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">[foo]</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2983:1-2985:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="">foo</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="2987:1-2988:11" dir="auto">The title must be separated from the link destination by +whitespace:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2990:1-2994:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo]: <bar>(baz)</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">[foo]</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="2996:1-2999:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>[foo]: <bar>(baz)</p></span> +<span id="LC2" class="line" lang="plaintext"><p>[foo]</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="3002:1-3003:24" dir="auto">Both title and destination can contain backslash escapes +and literal backslashes:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3005:1-3009:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo]: /url\bar\*baz "foo\"bar\baz"</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">[foo]</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3011:1-3013:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="/url%5Cbar*baz" title="foo&quot;bar\baz">foo</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="3016:1-3016:52" dir="auto">A link can come before its corresponding definition:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3018:1-3022:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo]</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">[foo]: url</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3024:1-3026:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="url">foo</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="3029:1-3030:11" dir="auto">If there are several matching definitions, the first one takes +precedence:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3032:1-3037:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo]</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">[foo]: first</span> +<span id="LC4" class="line" lang="plaintext">[foo]: second</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3039:1-3041:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="first">foo</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="3044:1-3045:33" dir="auto">As noted in the section on [Links], matching of labels is +case-insensitive (see [matches]).</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3047:1-3051:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[FOO]: /url</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">[Foo]</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3053:1-3055:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="/url">Foo</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3058:1-3062:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[ΑΓΩ]: /φου</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">[αγω]</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3064:1-3066:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="/%CF%86%CE%BF%CF%85">αγω</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="3069:1-3070:39" dir="auto">Here is a link reference definition with no corresponding link. +It contributes nothing to the document.</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3072:1-3074:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo]: /url</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3076:1-3077:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="3080:1-3080:20" dir="auto">Here is another one:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3082:1-3087:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[</span> +<span id="LC2" class="line" lang="plaintext">foo</span> +<span id="LC3" class="line" lang="plaintext">]: /url</span> +<span id="LC4" class="line" lang="plaintext">bar</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3089:1-3091:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>bar</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="3094:1-3095:44" dir="auto">This is not a link reference definition, because there are +[non-whitespace characters] after the title:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3097:1-3099:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo]: /url "title" ok</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3101:1-3103:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>[foo]: /url &quot;title&quot; ok</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="3106:1-3106:57" dir="auto">This is a link reference definition, but it has no title:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3108:1-3111:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo]: /url</span> +<span id="LC2" class="line" lang="plaintext">"title" ok</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3113:1-3115:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>&quot;title&quot; ok</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="3118:1-3119:12" dir="auto">This is not a link reference definition, because it is indented +four spaces:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3121:1-3125:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> [foo]: /url "title"</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">[foo]</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3127:1-3131:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><pre><code>[foo]: /url &quot;title&quot;</span> +<span id="LC2" class="line" lang="plaintext"></code></pre></span> +<span id="LC3" class="line" lang="plaintext"><p>[foo]</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="3134:1-3135:13" dir="auto">This is not a link reference definition, because it occurs inside +a code block:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3137:1-3143:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">```</span> +<span id="LC2" class="line" lang="plaintext">[foo]: /url</span> +<span id="LC3" class="line" lang="plaintext">```</span> +<span id="LC4" class="line" lang="plaintext"></span> +<span id="LC5" class="line" lang="plaintext">[foo]</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3145:1-3149:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><pre><code>[foo]: /url</span> +<span id="LC2" class="line" lang="plaintext"></code></pre></span> +<span id="LC3" class="line" lang="plaintext"><p>[foo]</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="3152:1-3152:59" dir="auto">A [link reference definition] cannot interrupt a paragraph.</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3154:1-3159:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">Foo</span> +<span id="LC2" class="line" lang="plaintext">[bar]: /baz</span> +<span id="LC3" class="line" lang="plaintext"></span> +<span id="LC4" class="line" lang="plaintext">[bar]</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3161:1-3165:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>Foo</span> +<span id="LC2" class="line" lang="plaintext">[bar]: /baz</p></span> +<span id="LC3" class="line" lang="plaintext"><p>[bar]</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="3168:1-3169:65" dir="auto">However, it can directly follow other block elements, such as headings +and thematic breaks, and it need not be followed by a blank line.</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3171:1-3175:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"># [Foo]</span> +<span id="LC2" class="line" lang="plaintext">[foo]: /url</span> +<span id="LC3" class="line" lang="plaintext">> bar</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3177:1-3182:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><h1><a href="/url">Foo</a></h1></span> +<span id="LC2" class="line" lang="plaintext"><blockquote></span> +<span id="LC3" class="line" lang="plaintext"><p>bar</p></span> +<span id="LC4" class="line" lang="plaintext"></blockquote></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3184:1-3189:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo]: /url</span> +<span id="LC2" class="line" lang="plaintext">bar</span> +<span id="LC3" class="line" lang="plaintext">===</span> +<span id="LC4" class="line" lang="plaintext">[foo]</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3191:1-3194:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><h1>bar</h1></span> +<span id="LC2" class="line" lang="plaintext"><p><a href="/url">foo</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3196:1-3200:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo]: /url</span> +<span id="LC2" class="line" lang="plaintext">===</span> +<span id="LC3" class="line" lang="plaintext">[foo]</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3202:1-3205:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>===</span> +<span id="LC2" class="line" lang="plaintext"><a href="/url">foo</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="3208:1-3209:61" dir="auto">Several [link reference definitions] +can occur one after another, without intervening blank lines.</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3211:1-3220:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo]: /foo-url "foo"</span> +<span id="LC2" class="line" lang="plaintext">[bar]: /bar-url</span> +<span id="LC3" class="line" lang="plaintext"> "bar"</span> +<span id="LC4" class="line" lang="plaintext">[baz]: /baz-url</span> +<span id="LC5" class="line" lang="plaintext"></span> +<span id="LC6" class="line" lang="plaintext">[foo],</span> +<span id="LC7" class="line" lang="plaintext">[bar],</span> +<span id="LC8" class="line" lang="plaintext">[baz]</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3222:1-3226:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="/foo-url" title="foo">foo</a>,</span> +<span id="LC2" class="line" lang="plaintext"><a href="/bar-url" title="bar">bar</a>,</span> +<span id="LC3" class="line" lang="plaintext"><a href="/baz-url">baz</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="3229:1-3232:12" dir="auto">[Link reference definitions] can occur +inside block containers, like lists and block quotations. They +affect the entire document, not just the container in which they +are defined:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3234:1-3238:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo]</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">> [foo]: /url</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3240:1-3244:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="/url">foo</a></p></span> +<span id="LC2" class="line" lang="plaintext"><blockquote></span> +<span id="LC3" class="line" lang="plaintext"></blockquote></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="3247:1-3251:19" dir="auto">Whether something is a [link reference definition] is +independent of whether the link reference it defines is +used in the document. Thus, for example, the following +document contains just a link reference definition, and +no visible content:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3253:1-3255:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo]: /url</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3257:1-3258:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code></code></pre> +<copy-code></copy-code> +</div> +<h2 data-sourcepos="3261:1-3261:13" dir="auto"> +<a id="user-content-paragraphs" class="anchor" href="#paragraphs" aria-hidden="true"></a>Paragraphs</h2> +<p data-sourcepos="3263:1-3268:13" dir="auto">A sequence of non-blank lines that cannot be interpreted as other +kinds of blocks forms a <a href="@">paragraph</a>. +The contents of the paragraph are the result of parsing the +paragraph's raw content as inlines. The paragraph's raw content +is formed by concatenating the lines and removing initial and final +[whitespace].</p> +<p data-sourcepos="3270:1-3270:37" dir="auto">A simple example with two paragraphs:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3272:1-3276:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">aaa</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">bbb</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3278:1-3281:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>aaa</p></span> +<span id="LC2" class="line" lang="plaintext"><p>bbb</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="3284:1-3284:58" dir="auto">Paragraphs can contain multiple lines, but no blank lines:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3286:1-3292:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">aaa</span> +<span id="LC2" class="line" lang="plaintext">bbb</span> +<span id="LC3" class="line" lang="plaintext"></span> +<span id="LC4" class="line" lang="plaintext">ccc</span> +<span id="LC5" class="line" lang="plaintext">ddd</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3294:1-3299:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>aaa</span> +<span id="LC2" class="line" lang="plaintext">bbb</p></span> +<span id="LC3" class="line" lang="plaintext"><p>ccc</span> +<span id="LC4" class="line" lang="plaintext">ddd</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="3302:1-3302:54" dir="auto">Multiple blank lines between paragraph have no effect:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3304:1-3309:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">aaa</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext"></span> +<span id="LC4" class="line" lang="plaintext">bbb</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3311:1-3314:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>aaa</p></span> +<span id="LC2" class="line" lang="plaintext"><p>bbb</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="3317:1-3317:27" dir="auto">Leading spaces are skipped:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3319:1-3322:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> aaa</span> +<span id="LC2" class="line" lang="plaintext"> bbb</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3324:1-3327:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>aaa</span> +<span id="LC2" class="line" lang="plaintext">bbb</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="3330:1-3331:40" dir="auto">Lines after the first may be indented any amount, since indented +code blocks cannot interrupt paragraphs.</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3333:1-3337:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">aaa</span> +<span id="LC2" class="line" lang="plaintext"> bbb</span> +<span id="LC3" class="line" lang="plaintext"> ccc</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3339:1-3343:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>aaa</span> +<span id="LC2" class="line" lang="plaintext">bbb</span> +<span id="LC3" class="line" lang="plaintext">ccc</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="3346:1-3347:44" dir="auto">However, the first line may be indented at most three spaces, +or an indented code block will be triggered:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3349:1-3352:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> aaa</span> +<span id="LC2" class="line" lang="plaintext">bbb</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3354:1-3357:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>aaa</span> +<span id="LC2" class="line" lang="plaintext">bbb</p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3360:1-3363:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> aaa</span> +<span id="LC2" class="line" lang="plaintext">bbb</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3365:1-3369:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><pre><code>aaa</span> +<span id="LC2" class="line" lang="plaintext"></code></pre></span> +<span id="LC3" class="line" lang="plaintext"><p>bbb</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="3372:1-3374:7" dir="auto">Final spaces are stripped before inline parsing, so a paragraph +that ends with two or more spaces will not end with a [hard line +break]:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3376:1-3379:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">aaa </span> +<span id="LC2" class="line" lang="plaintext">bbb </span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3381:1-3384:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>aaa<br /></span> +<span id="LC2" class="line" lang="plaintext">bbb</p></span></code></pre> +<copy-code></copy-code> +</div> +<h2 data-sourcepos="3387:1-3387:14" dir="auto"> +<a id="user-content-blank-lines" class="anchor" href="#blank-lines" aria-hidden="true"></a>Blank lines</h2> +<p data-sourcepos="3389:1-3391:22" dir="auto">[Blank lines] between block-level elements are ignored, +except for the role they play in determining whether a [list] +is [tight] or [loose].</p> +<p data-sourcepos="3393:1-3393:70" dir="auto">Blank lines at the beginning and end of the document are also ignored.</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3395:1-3404:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> </span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">aaa</span> +<span id="LC4" class="line" lang="plaintext"> </span> +<span id="LC5" class="line" lang="plaintext"></span> +<span id="LC6" class="line" lang="plaintext"># aaa</span> +<span id="LC7" class="line" lang="plaintext"></span> +<span id="LC8" class="line" lang="plaintext"> </span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3406:1-3409:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>aaa</p></span> +<span id="LC2" class="line" lang="plaintext"><h1>aaa</h1></span></code></pre> +<copy-code></copy-code> +</div> +<div> +<h2 data-sourcepos="3413:1-3413:21"> +<a id="user-content-tables-extension" class="anchor" href="#tables-extension" aria-hidden="true"></a>Tables (extension)</h2> +<p data-sourcepos="3415:1-3416:10">GFM enables the <code>table</code> extension, where an additional leaf block type is +available.</p> +<p data-sourcepos="3418:1-3420:23">A <a href="@">table</a> is an arrangement of data with rows and columns, consisting of a +single header row, a [delimiter row] separating the header from the data, and +zero or more data rows.</p> +<p data-sourcepos="3422:1-3426:23">Each row consists of cells containing arbitrary text, in which [inlines] are +parsed, separated by pipes (<code>|</code>). A leading and trailing pipe is also +recommended for clarity of reading, and if there's otherwise parsing ambiguity. +Spaces between pipes and cell content are trimmed. Block-level elements cannot +be inserted in a table.</p> +<p data-sourcepos="3428:1-3430:40">The <a href="@">delimiter row</a> consists of cells whose only content are hyphens (<code>-</code>), +and optionally, a leading or trailing colon (<code>:</code>), or both, to indicate left, +right, or center alignment respectively.</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3432:1-3436:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">| foo | bar |</span> +<span id="LC2" class="line" lang="plaintext">| --- | --- |</span> +<span id="LC3" class="line" lang="plaintext">| baz | bim |</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3438:1-3453:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><table></span> +<span id="LC2" class="line" lang="plaintext"><thead></span> +<span id="LC3" class="line" lang="plaintext"><tr></span> +<span id="LC4" class="line" lang="plaintext"><th>foo</th></span> +<span id="LC5" class="line" lang="plaintext"><th>bar</th></span> +<span id="LC6" class="line" lang="plaintext"></tr></span> +<span id="LC7" class="line" lang="plaintext"></thead></span> +<span id="LC8" class="line" lang="plaintext"><tbody></span> +<span id="LC9" class="line" lang="plaintext"><tr></span> +<span id="LC10" class="line" lang="plaintext"><td>baz</td></span> +<span id="LC11" class="line" lang="plaintext"><td>bim</td></span> +<span id="LC12" class="line" lang="plaintext"></tr></span> +<span id="LC13" class="line" lang="plaintext"></tbody></span> +<span id="LC14" class="line" lang="plaintext"></table></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="3455:1-3456:74">Cells in one column don't need to match length, though it's easier to read if +they are. Likewise, use of leading and trailing pipes may be inconsistent:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3458:1-3462:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">| abc | defghi |</span> +<span id="LC2" class="line" lang="plaintext">:-: | -----------:</span> +<span id="LC3" class="line" lang="plaintext">bar | baz</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3464:1-3479:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><table></span> +<span id="LC2" class="line" lang="plaintext"><thead></span> +<span id="LC3" class="line" lang="plaintext"><tr></span> +<span id="LC4" class="line" lang="plaintext"><th align="center">abc</th></span> +<span id="LC5" class="line" lang="plaintext"><th align="right">defghi</th></span> +<span id="LC6" class="line" lang="plaintext"></tr></span> +<span id="LC7" class="line" lang="plaintext"></thead></span> +<span id="LC8" class="line" lang="plaintext"><tbody></span> +<span id="LC9" class="line" lang="plaintext"><tr></span> +<span id="LC10" class="line" lang="plaintext"><td align="center">bar</td></span> +<span id="LC11" class="line" lang="plaintext"><td align="right">baz</td></span> +<span id="LC12" class="line" lang="plaintext"></tr></span> +<span id="LC13" class="line" lang="plaintext"></tbody></span> +<span id="LC14" class="line" lang="plaintext"></table></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="3481:1-3482:13">Include a pipe in a cell's content by escaping it, including inside other +inline spans:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3484:1-3489:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">| f\|oo |</span> +<span id="LC2" class="line" lang="plaintext">| ------ |</span> +<span id="LC3" class="line" lang="plaintext">| b `\|` az |</span> +<span id="LC4" class="line" lang="plaintext">| b **\|** im |</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3491:1-3507:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><table></span> +<span id="LC2" class="line" lang="plaintext"><thead></span> +<span id="LC3" class="line" lang="plaintext"><tr></span> +<span id="LC4" class="line" lang="plaintext"><th>f|oo</th></span> +<span id="LC5" class="line" lang="plaintext"></tr></span> +<span id="LC6" class="line" lang="plaintext"></thead></span> +<span id="LC7" class="line" lang="plaintext"><tbody></span> +<span id="LC8" class="line" lang="plaintext"><tr></span> +<span id="LC9" class="line" lang="plaintext"><td>b <code>|</code> az</td></span> +<span id="LC10" class="line" lang="plaintext"></tr></span> +<span id="LC11" class="line" lang="plaintext"><tr></span> +<span id="LC12" class="line" lang="plaintext"><td>b <strong>|</strong> im</td></span> +<span id="LC13" class="line" lang="plaintext"></tr></span> +<span id="LC14" class="line" lang="plaintext"></tbody></span> +<span id="LC15" class="line" lang="plaintext"></table></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="3509:1-3510:22">The table is broken at the first empty line, or beginning of another +block-level structure:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3512:1-3517:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">| abc | def |</span> +<span id="LC2" class="line" lang="plaintext">| --- | --- |</span> +<span id="LC3" class="line" lang="plaintext">| bar | baz |</span> +<span id="LC4" class="line" lang="plaintext">> bar</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3519:1-3537:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><table></span> +<span id="LC2" class="line" lang="plaintext"><thead></span> +<span id="LC3" class="line" lang="plaintext"><tr></span> +<span id="LC4" class="line" lang="plaintext"><th>abc</th></span> +<span id="LC5" class="line" lang="plaintext"><th>def</th></span> +<span id="LC6" class="line" lang="plaintext"></tr></span> +<span id="LC7" class="line" lang="plaintext"></thead></span> +<span id="LC8" class="line" lang="plaintext"><tbody></span> +<span id="LC9" class="line" lang="plaintext"><tr></span> +<span id="LC10" class="line" lang="plaintext"><td>bar</td></span> +<span id="LC11" class="line" lang="plaintext"><td>baz</td></span> +<span id="LC12" class="line" lang="plaintext"></tr></span> +<span id="LC13" class="line" lang="plaintext"></tbody></span> +<span id="LC14" class="line" lang="plaintext"></table></span> +<span id="LC15" class="line" lang="plaintext"><blockquote></span> +<span id="LC16" class="line" lang="plaintext"><p>bar</p></span> +<span id="LC17" class="line" lang="plaintext"></blockquote></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3539:1-3546:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">| abc | def |</span> +<span id="LC2" class="line" lang="plaintext">| --- | --- |</span> +<span id="LC3" class="line" lang="plaintext">| bar | baz |</span> +<span id="LC4" class="line" lang="plaintext">bar</span> +<span id="LC5" class="line" lang="plaintext"></span> +<span id="LC6" class="line" lang="plaintext">bar</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3548:1-3568:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><table></span> +<span id="LC2" class="line" lang="plaintext"><thead></span> +<span id="LC3" class="line" lang="plaintext"><tr></span> +<span id="LC4" class="line" lang="plaintext"><th>abc</th></span> +<span id="LC5" class="line" lang="plaintext"><th>def</th></span> +<span id="LC6" class="line" lang="plaintext"></tr></span> +<span id="LC7" class="line" lang="plaintext"></thead></span> +<span id="LC8" class="line" lang="plaintext"><tbody></span> +<span id="LC9" class="line" lang="plaintext"><tr></span> +<span id="LC10" class="line" lang="plaintext"><td>bar</td></span> +<span id="LC11" class="line" lang="plaintext"><td>baz</td></span> +<span id="LC12" class="line" lang="plaintext"></tr></span> +<span id="LC13" class="line" lang="plaintext"><tr></span> +<span id="LC14" class="line" lang="plaintext"><td>bar</td></span> +<span id="LC15" class="line" lang="plaintext"><td></td></span> +<span id="LC16" class="line" lang="plaintext"></tr></span> +<span id="LC17" class="line" lang="plaintext"></tbody></span> +<span id="LC18" class="line" lang="plaintext"></table></span> +<span id="LC19" class="line" lang="plaintext"><p>bar</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="3570:1-3571:31">The header row must match the [delimiter row] in the number of cells. If not, +a table will not be recognized:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3573:1-3577:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">| abc | def |</span> +<span id="LC2" class="line" lang="plaintext">| --- |</span> +<span id="LC3" class="line" lang="plaintext">| bar |</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3579:1-3583:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>| abc | def |</span> +<span id="LC2" class="line" lang="plaintext">| --- |</span> +<span id="LC3" class="line" lang="plaintext">| bar |</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="3585:1-3587:65">The remainder of the table's rows may vary in the number of cells. If there +are a number of cells fewer than the number of cells in the header row, empty +cells are inserted. If there are greater, the excess is ignored:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3589:1-3594:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">| abc | def |</span> +<span id="LC2" class="line" lang="plaintext">| --- | --- |</span> +<span id="LC3" class="line" lang="plaintext">| bar |</span> +<span id="LC4" class="line" lang="plaintext">| bar | baz | boo |</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3596:1-3615:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><table></span> +<span id="LC2" class="line" lang="plaintext"><thead></span> +<span id="LC3" class="line" lang="plaintext"><tr></span> +<span id="LC4" class="line" lang="plaintext"><th>abc</th></span> +<span id="LC5" class="line" lang="plaintext"><th>def</th></span> +<span id="LC6" class="line" lang="plaintext"></tr></span> +<span id="LC7" class="line" lang="plaintext"></thead></span> +<span id="LC8" class="line" lang="plaintext"><tbody></span> +<span id="LC9" class="line" lang="plaintext"><tr></span> +<span id="LC10" class="line" lang="plaintext"><td>bar</td></span> +<span id="LC11" class="line" lang="plaintext"><td></td></span> +<span id="LC12" class="line" lang="plaintext"></tr></span> +<span id="LC13" class="line" lang="plaintext"><tr></span> +<span id="LC14" class="line" lang="plaintext"><td>bar</td></span> +<span id="LC15" class="line" lang="plaintext"><td>baz</td></span> +<span id="LC16" class="line" lang="plaintext"></tr></span> +<span id="LC17" class="line" lang="plaintext"></tbody></span> +<span id="LC18" class="line" lang="plaintext"></table></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="3617:1-3617:75">If there are no rows in the body, no <code><tbody></code> is generated in HTML output:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3619:1-3622:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">| abc | def |</span> +<span id="LC2" class="line" lang="plaintext">| --- | --- |</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3624:1-3633:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><table></span> +<span id="LC2" class="line" lang="plaintext"><thead></span> +<span id="LC3" class="line" lang="plaintext"><tr></span> +<span id="LC4" class="line" lang="plaintext"><th>abc</th></span> +<span id="LC5" class="line" lang="plaintext"><th>def</th></span> +<span id="LC6" class="line" lang="plaintext"></tr></span> +<span id="LC7" class="line" lang="plaintext"></thead></span> +<span id="LC8" class="line" lang="plaintext"></table></span></code></pre> +<copy-code></copy-code> +</div> +</div> +<h1 data-sourcepos="3637:1-3637:18" dir="auto"> +<a id="user-content-container-blocks" class="anchor" href="#container-blocks" aria-hidden="true"></a>Container blocks</h1> +<p data-sourcepos="3639:1-3642:45" dir="auto">A <a href="#container-blocks">container block</a> is a block that has other +blocks as its contents. There are two basic kinds of container blocks: +[block quotes] and [list items]. +[Lists] are meta-containers for [list items].</p> +<p data-sourcepos="3644:1-3645:26" dir="auto">We define the syntax for container blocks recursively. The general +form of the definition is:</p> +<blockquote data-sourcepos="3647:1-3649:35" dir="auto"> +<p data-sourcepos="3647:3-3649:35">If X is a sequence of blocks, then the result of +transforming X in such-and-such a way is a container of type Y +with these blocks as its content.</p> +</blockquote> +<p data-sourcepos="3651:1-3655:52" dir="auto">So, we explain what counts as a block quote or list item by explaining +how these can be <em>generated</em> from their contents. This should suffice +to define the syntax, although it does not give a recipe for <em>parsing</em> +these constructions. (A recipe is provided below in the section entitled +<a href="#appendix-a-parsing-strategy">A parsing strategy</a>.)</p> +<h2 data-sourcepos="3657:1-3657:15" dir="auto"> +<a id="user-content-block-quotes" class="anchor" href="#block-quotes" aria-hidden="true"></a>Block quotes</h2> +<p data-sourcepos="3659:1-3661:78" dir="auto">A <a href="@">block quote marker</a> +consists of 0-3 spaces of initial indent, plus (a) the character <code>></code> together +with a following space, or (b) a single character <code>></code> not followed by a space.</p> +<p data-sourcepos="3663:1-3663:42" dir="auto">The following rules define [block quotes]:</p> +<ol data-sourcepos="3665:1-3682:0" dir="auto"> +<li data-sourcepos="3665:1-3669:0"> +<p data-sourcepos="3665:5-3668:54"><strong>Basic case.</strong> If a string of lines <em>Ls</em> constitute a sequence +of blocks <em>Bs</em>, then the result of prepending a [block quote +marker] to the beginning of each line in <em>Ls</em> +is a <a href="#block-quotes">block quote</a> containing <em>Bs</em>.</p> +</li> +<li data-sourcepos="3670:1-3679:0"> +<p data-sourcepos="3670:5-3678:48"><strong>Laziness.</strong> If a string of lines <em>Ls</em> constitute a <a href="#block-quotes">block +quote</a> with contents <em>Bs</em>, then the result of deleting +the initial [block quote marker] from one or +more lines in which the next [non-whitespace character] after the [block +quote marker] is [paragraph continuation +text] is a block quote with <em>Bs</em> as its content. +<a href="@">Paragraph continuation text</a> is text +that will be parsed as part of the content of a paragraph, but does +not occur at the beginning of the paragraph.</p> +</li> +<li data-sourcepos="3680:1-3682:0"> +<p data-sourcepos="3680:5-3681:65"><strong>Consecutiveness.</strong> A document cannot contain two [block +quotes] in a row unless there is a [blank line] between them.</p> +</li> +</ol> +<p data-sourcepos="3683:1-3683:54" dir="auto">Nothing else counts as a <a href="#block-quotes">block quote</a>.</p> +<p data-sourcepos="3685:1-3685:25" dir="auto">Here is a simple example:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3687:1-3691:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">> # Foo</span> +<span id="LC2" class="line" lang="plaintext">> bar</span> +<span id="LC3" class="line" lang="plaintext">> baz</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3693:1-3699:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><blockquote></span> +<span id="LC2" class="line" lang="plaintext"><h1>Foo</h1></span> +<span id="LC3" class="line" lang="plaintext"><p>bar</span> +<span id="LC4" class="line" lang="plaintext">baz</p></span> +<span id="LC5" class="line" lang="plaintext"></blockquote></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="3702:1-3702:51" dir="auto">The spaces after the <code>></code> characters can be omitted:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3704:1-3708:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">># Foo</span> +<span id="LC2" class="line" lang="plaintext">>bar</span> +<span id="LC3" class="line" lang="plaintext">> baz</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3710:1-3716:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><blockquote></span> +<span id="LC2" class="line" lang="plaintext"><h1>Foo</h1></span> +<span id="LC3" class="line" lang="plaintext"><p>bar</span> +<span id="LC4" class="line" lang="plaintext">baz</p></span> +<span id="LC5" class="line" lang="plaintext"></blockquote></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="3719:1-3719:46" dir="auto">The <code>></code> characters can be indented 1-3 spaces:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3721:1-3725:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> > # Foo</span> +<span id="LC2" class="line" lang="plaintext"> > bar</span> +<span id="LC3" class="line" lang="plaintext"> > baz</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3727:1-3733:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><blockquote></span> +<span id="LC2" class="line" lang="plaintext"><h1>Foo</h1></span> +<span id="LC3" class="line" lang="plaintext"><p>bar</span> +<span id="LC4" class="line" lang="plaintext">baz</p></span> +<span id="LC5" class="line" lang="plaintext"></blockquote></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="3736:1-3736:34" dir="auto">Four spaces gives us a code block:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3738:1-3742:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> > # Foo</span> +<span id="LC2" class="line" lang="plaintext"> > bar</span> +<span id="LC3" class="line" lang="plaintext"> > baz</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3744:1-3749:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><pre><code>&gt; # Foo</span> +<span id="LC2" class="line" lang="plaintext">&gt; bar</span> +<span id="LC3" class="line" lang="plaintext">&gt; baz</span> +<span id="LC4" class="line" lang="plaintext"></code></pre></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="3752:1-3753:30" dir="auto">The Laziness clause allows us to omit the <code>></code> before +[paragraph continuation text]:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3755:1-3759:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">> # Foo</span> +<span id="LC2" class="line" lang="plaintext">> bar</span> +<span id="LC3" class="line" lang="plaintext">baz</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3761:1-3767:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><blockquote></span> +<span id="LC2" class="line" lang="plaintext"><h1>Foo</h1></span> +<span id="LC3" class="line" lang="plaintext"><p>bar</span> +<span id="LC4" class="line" lang="plaintext">baz</p></span> +<span id="LC5" class="line" lang="plaintext"></blockquote></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="3770:1-3771:19" dir="auto">A block quote can contain some lazy and some non-lazy +continuation lines:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3773:1-3777:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">> bar</span> +<span id="LC2" class="line" lang="plaintext">baz</span> +<span id="LC3" class="line" lang="plaintext">> foo</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3779:1-3785:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><blockquote></span> +<span id="LC2" class="line" lang="plaintext"><p>bar</span> +<span id="LC3" class="line" lang="plaintext">baz</span> +<span id="LC4" class="line" lang="plaintext">foo</p></span> +<span id="LC5" class="line" lang="plaintext"></blockquote></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="3788:1-3790:61" dir="auto">Laziness only applies to lines that would have been continuations of +paragraphs had they been prepended with [block quote markers]. +For example, the <code>> </code> cannot be omitted in the second line of</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3792:1-3795:3" lang="markdown" class="code highlight js-syntax-highlight language-markdown" v-pre="true"><code><span id="LC1" class="line" lang="markdown"><span class="gt">> foo</span></span> +<span id="LC2" class="line" lang="markdown"><span class="gt">> ---</span></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="3797:1-3797:29" dir="auto">without changing the meaning:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3799:1-3802:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">> foo</span> +<span id="LC2" class="line" lang="plaintext">---</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3804:1-3809:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><blockquote></span> +<span id="LC2" class="line" lang="plaintext"><p>foo</p></span> +<span id="LC3" class="line" lang="plaintext"></blockquote></span> +<span id="LC4" class="line" lang="plaintext"><hr /></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="3812:1-3812:52" dir="auto">Similarly, if we omit the <code>> </code> in the second line of</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3814:1-3817:3" lang="markdown" class="code highlight js-syntax-highlight language-markdown" v-pre="true"><code><span id="LC1" class="line" lang="markdown"><span class="gt">> - foo</span></span> +<span id="LC2" class="line" lang="markdown"><span class="gt">> - bar</span></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="3819:1-3819:47" dir="auto">then the block quote ends after the first line:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3821:1-3824:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">> - foo</span> +<span id="LC2" class="line" lang="plaintext">- bar</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3826:1-3835:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><blockquote></span> +<span id="LC2" class="line" lang="plaintext"><ul></span> +<span id="LC3" class="line" lang="plaintext"><li>foo</li></span> +<span id="LC4" class="line" lang="plaintext"></ul></span> +<span id="LC5" class="line" lang="plaintext"></blockquote></span> +<span id="LC6" class="line" lang="plaintext"><ul></span> +<span id="LC7" class="line" lang="plaintext"><li>bar</li></span> +<span id="LC8" class="line" lang="plaintext"></ul></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="3838:1-3839:53" dir="auto">For the same reason, we can't omit the <code>> </code> in front of +subsequent lines of an indented or fenced code block:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3841:1-3844:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">> foo</span> +<span id="LC2" class="line" lang="plaintext"> bar</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3846:1-3853:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><blockquote></span> +<span id="LC2" class="line" lang="plaintext"><pre><code>foo</span> +<span id="LC3" class="line" lang="plaintext"></code></pre></span> +<span id="LC4" class="line" lang="plaintext"></blockquote></span> +<span id="LC5" class="line" lang="plaintext"><pre><code>bar</span> +<span id="LC6" class="line" lang="plaintext"></code></pre></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3856:1-3860:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">> ```</span> +<span id="LC2" class="line" lang="plaintext">foo</span> +<span id="LC3" class="line" lang="plaintext">```</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3862:1-3868:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><blockquote></span> +<span id="LC2" class="line" lang="plaintext"><pre><code></code></pre></span> +<span id="LC3" class="line" lang="plaintext"></blockquote></span> +<span id="LC4" class="line" lang="plaintext"><p>foo</p></span> +<span id="LC5" class="line" lang="plaintext"><pre><code></code></pre></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="3871:1-3872:19" dir="auto">Note that in the following case, we have a [lazy +continuation line]:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3874:1-3877:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">> foo</span> +<span id="LC2" class="line" lang="plaintext"> - bar</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3879:1-3884:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><blockquote></span> +<span id="LC2" class="line" lang="plaintext"><p>foo</span> +<span id="LC3" class="line" lang="plaintext">- bar</p></span> +<span id="LC4" class="line" lang="plaintext"></blockquote></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="3887:1-3887:24" dir="auto">To see why, note that in</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3889:1-3892:3" lang="markdown" class="code highlight js-syntax-highlight language-markdown" v-pre="true"><code><span id="LC1" class="line" lang="markdown"><span class="gt">> foo</span></span> +<span id="LC2" class="line" lang="markdown"><span class="gt">> - bar</span></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="3894:1-3896:61" dir="auto">the <code>- bar</code> is indented too far to start a list, and can't +be an indented code block because indented code blocks cannot +interrupt paragraphs, so it is [paragraph continuation text].</p> +<p data-sourcepos="3898:1-3898:27" dir="auto">A block quote can be empty:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3900:1-3902:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3904:1-3907:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><blockquote></span> +<span id="LC2" class="line" lang="plaintext"></blockquote></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3910:1-3914:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">></span> +<span id="LC2" class="line" lang="plaintext">> </span> +<span id="LC3" class="line" lang="plaintext">> </span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3916:1-3919:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><blockquote></span> +<span id="LC2" class="line" lang="plaintext"></blockquote></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="3922:1-3922:52" dir="auto">A block quote can have initial or final blank lines:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3924:1-3928:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">></span> +<span id="LC2" class="line" lang="plaintext">> foo</span> +<span id="LC3" class="line" lang="plaintext">> </span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3930:1-3934:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><blockquote></span> +<span id="LC2" class="line" lang="plaintext"><p>foo</p></span> +<span id="LC3" class="line" lang="plaintext"></blockquote></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="3937:1-3937:43" dir="auto">A blank line always separates block quotes:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3939:1-3943:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">> foo</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">> bar</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3945:1-3952:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><blockquote></span> +<span id="LC2" class="line" lang="plaintext"><p>foo</p></span> +<span id="LC3" class="line" lang="plaintext"></blockquote></span> +<span id="LC4" class="line" lang="plaintext"><blockquote></span> +<span id="LC5" class="line" lang="plaintext"><p>bar</p></span> +<span id="LC6" class="line" lang="plaintext"></blockquote></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="3955:1-3958:44" dir="auto">(Most current Markdown implementations, including John Gruber's +original <code>Markdown.pl</code>, will parse this example as a single block quote +with two paragraphs. But it seems better to allow the author to decide +whether two block quotes or one are wanted.)</p> +<p data-sourcepos="3960:1-3961:28" dir="auto">Consecutiveness means that if we put these block quotes together, +we get a single block quote:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3963:1-3966:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">> foo</span> +<span id="LC2" class="line" lang="plaintext">> bar</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3968:1-3973:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><blockquote></span> +<span id="LC2" class="line" lang="plaintext"><p>foo</span> +<span id="LC3" class="line" lang="plaintext">bar</p></span> +<span id="LC4" class="line" lang="plaintext"></blockquote></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="3976:1-3976:46" dir="auto">To get a block quote with two paragraphs, use:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3978:1-3982:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">> foo</span> +<span id="LC2" class="line" lang="plaintext">></span> +<span id="LC3" class="line" lang="plaintext">> bar</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3984:1-3989:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><blockquote></span> +<span id="LC2" class="line" lang="plaintext"><p>foo</p></span> +<span id="LC3" class="line" lang="plaintext"><p>bar</p></span> +<span id="LC4" class="line" lang="plaintext"></blockquote></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="3992:1-3992:38" dir="auto">Block quotes can interrupt paragraphs:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3994:1-3997:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo</span> +<span id="LC2" class="line" lang="plaintext">> bar</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="3999:1-4004:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>foo</p></span> +<span id="LC2" class="line" lang="plaintext"><blockquote></span> +<span id="LC3" class="line" lang="plaintext"><p>bar</p></span> +<span id="LC4" class="line" lang="plaintext"></blockquote></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="4007:1-4008:7" dir="auto">In general, blank lines are not needed before or after block +quotes:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4010:1-4014:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">> aaa</span> +<span id="LC2" class="line" lang="plaintext">***</span> +<span id="LC3" class="line" lang="plaintext">> bbb</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4016:1-4024:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><blockquote></span> +<span id="LC2" class="line" lang="plaintext"><p>aaa</p></span> +<span id="LC3" class="line" lang="plaintext"></blockquote></span> +<span id="LC4" class="line" lang="plaintext"><hr /></span> +<span id="LC5" class="line" lang="plaintext"><blockquote></span> +<span id="LC6" class="line" lang="plaintext"><p>bbb</p></span> +<span id="LC7" class="line" lang="plaintext"></blockquote></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="4027:1-4028:40" dir="auto">However, because of laziness, a blank line is needed between +a block quote and a following paragraph:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4030:1-4033:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">> bar</span> +<span id="LC2" class="line" lang="plaintext">baz</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4035:1-4040:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><blockquote></span> +<span id="LC2" class="line" lang="plaintext"><p>bar</span> +<span id="LC3" class="line" lang="plaintext">baz</p></span> +<span id="LC4" class="line" lang="plaintext"></blockquote></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4043:1-4047:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">> bar</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">baz</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4049:1-4054:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><blockquote></span> +<span id="LC2" class="line" lang="plaintext"><p>bar</p></span> +<span id="LC3" class="line" lang="plaintext"></blockquote></span> +<span id="LC4" class="line" lang="plaintext"><p>baz</p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4057:1-4061:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">> bar</span> +<span id="LC2" class="line" lang="plaintext">></span> +<span id="LC3" class="line" lang="plaintext">baz</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4063:1-4068:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><blockquote></span> +<span id="LC2" class="line" lang="plaintext"><p>bar</p></span> +<span id="LC3" class="line" lang="plaintext"></blockquote></span> +<span id="LC4" class="line" lang="plaintext"><p>baz</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="4071:1-4073:19" dir="auto">It is a consequence of the Laziness rule that any number +of initial <code>></code>s may be omitted on a continuation line of a +nested block quote:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4075:1-4078:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">> > > foo</span> +<span id="LC2" class="line" lang="plaintext">bar</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4080:1-4089:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><blockquote></span> +<span id="LC2" class="line" lang="plaintext"><blockquote></span> +<span id="LC3" class="line" lang="plaintext"><blockquote></span> +<span id="LC4" class="line" lang="plaintext"><p>foo</span> +<span id="LC5" class="line" lang="plaintext">bar</p></span> +<span id="LC6" class="line" lang="plaintext"></blockquote></span> +<span id="LC7" class="line" lang="plaintext"></blockquote></span> +<span id="LC8" class="line" lang="plaintext"></blockquote></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4092:1-4096:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">>>> foo</span> +<span id="LC2" class="line" lang="plaintext">> bar</span> +<span id="LC3" class="line" lang="plaintext">>>baz</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4098:1-4108:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><blockquote></span> +<span id="LC2" class="line" lang="plaintext"><blockquote></span> +<span id="LC3" class="line" lang="plaintext"><blockquote></span> +<span id="LC4" class="line" lang="plaintext"><p>foo</span> +<span id="LC5" class="line" lang="plaintext">bar</span> +<span id="LC6" class="line" lang="plaintext">baz</p></span> +<span id="LC7" class="line" lang="plaintext"></blockquote></span> +<span id="LC8" class="line" lang="plaintext"></blockquote></span> +<span id="LC9" class="line" lang="plaintext"></blockquote></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="4111:1-4114:8" dir="auto">When including an indented code block in a block quote, +remember that the [block quote marker] includes +both the <code>></code> and a following space. So <em>five spaces</em> are needed after +the <code>></code>:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4116:1-4120:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">> code</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">> not code</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4122:1-4130:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><blockquote></span> +<span id="LC2" class="line" lang="plaintext"><pre><code>code</span> +<span id="LC3" class="line" lang="plaintext"></code></pre></span> +<span id="LC4" class="line" lang="plaintext"></blockquote></span> +<span id="LC5" class="line" lang="plaintext"><blockquote></span> +<span id="LC6" class="line" lang="plaintext"><p>not code</p></span> +<span id="LC7" class="line" lang="plaintext"></blockquote></span></code></pre> +<copy-code></copy-code> +</div> +<h2 data-sourcepos="4134:1-4134:13" dir="auto"> +<a id="user-content-list-items" class="anchor" href="#list-items" aria-hidden="true"></a>List items</h2> +<p data-sourcepos="4136:1-4137:49" dir="auto">A <a href="@">list marker</a> is a +[bullet list marker] or an [ordered list marker].</p> +<p data-sourcepos="4139:1-4140:32" dir="auto">A <a href="@">bullet list marker</a> +is a <code>-</code>, <code>+</code>, or <code>*</code> character.</p> +<p data-sourcepos="4142:1-4146:18" dir="auto">An <a href="@">ordered list marker</a> +is a sequence of 1--9 arabic digits (<code>0-9</code>), followed by either a +<code>.</code> character or a <code>)</code> character. (The reason for the length +limit is that with 10 digits we start seeing integer overflows +in some browsers.)</p> +<p data-sourcepos="4148:1-4148:40" dir="auto">The following rules define [list items]:</p> +<ol data-sourcepos="4150:1-4169:0" dir="auto"> +<li data-sourcepos="4150:1-4169:0"> +<p data-sourcepos="4150:5-4158:45"><strong>Basic case.</strong> If a sequence of lines <em>Ls</em> constitute a sequence of +blocks <em>Bs</em> starting with a [non-whitespace character], and <em>M</em> is a +list marker of width <em>W</em> followed by 1 ≤ <em>N</em> ≤ 4 spaces, then the result +of prepending <em>M</em> and the following spaces to the first line of +<em>Ls</em>, and indenting subsequent lines of <em>Ls</em> by <em>W + N</em> spaces, is a +list item with <em>Bs</em> as its contents. The type of the list item +(bullet or ordered) is determined by the type of its list marker. +If the list item is ordered, then it is also assigned a start +number, based on the ordered list marker.</p> +<p data-sourcepos="4160:5-4160:15">Exceptions:</p> +<ol data-sourcepos="4162:5-4169:0"> +<li data-sourcepos="4162:5-4166:57">When the first list item in a [list] interrupts +a paragraph---that is, when it starts on a line that would +otherwise count as [paragraph continuation text]---then (a) +the lines <em>Ls</em> must not begin with a blank line, and (b) if +the list item is ordered, the start number must be 1.</li> +<li data-sourcepos="4167:5-4169:0">If any line is a [thematic break][thematic breaks] then +that line is not a list item.</li> +</ol> +</li> +</ol> +<p data-sourcepos="4170:1-4170:34" dir="auto">For example, let <em>Ls</em> be the lines</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4172:1-4179:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">A paragraph</span> +<span id="LC2" class="line" lang="plaintext">with two lines.</span> +<span id="LC3" class="line" lang="plaintext"></span> +<span id="LC4" class="line" lang="plaintext"> indented code</span> +<span id="LC5" class="line" lang="plaintext"></span> +<span id="LC6" class="line" lang="plaintext">> A block quote.</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4181:1-4189:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>A paragraph</span> +<span id="LC2" class="line" lang="plaintext">with two lines.</p></span> +<span id="LC3" class="line" lang="plaintext"><pre><code>indented code</span> +<span id="LC4" class="line" lang="plaintext"></code></pre></span> +<span id="LC5" class="line" lang="plaintext"><blockquote></span> +<span id="LC6" class="line" lang="plaintext"><p>A block quote.</p></span> +<span id="LC7" class="line" lang="plaintext"></blockquote></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="4192:1-4194:30" dir="auto">And let <em>M</em> be the marker <code>1.</code>, and <em>N</em> = 2. Then rule #1 says +that the following is an ordered list item with start number 1, +and the same contents as <em>Ls</em>:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4196:1-4203:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">1. A paragraph</span> +<span id="LC2" class="line" lang="plaintext"> with two lines.</span> +<span id="LC3" class="line" lang="plaintext"></span> +<span id="LC4" class="line" lang="plaintext"> indented code</span> +<span id="LC5" class="line" lang="plaintext"></span> +<span id="LC6" class="line" lang="plaintext"> > A block quote.</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4205:1-4217:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ol></span> +<span id="LC2" class="line" lang="plaintext"><li></span> +<span id="LC3" class="line" lang="plaintext"><p>A paragraph</span> +<span id="LC4" class="line" lang="plaintext">with two lines.</p></span> +<span id="LC5" class="line" lang="plaintext"><pre><code>indented code</span> +<span id="LC6" class="line" lang="plaintext"></code></pre></span> +<span id="LC7" class="line" lang="plaintext"><blockquote></span> +<span id="LC8" class="line" lang="plaintext"><p>A block quote.</p></span> +<span id="LC9" class="line" lang="plaintext"></blockquote></span> +<span id="LC10" class="line" lang="plaintext"></li></span> +<span id="LC11" class="line" lang="plaintext"></ol></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="4220:1-4226:5" dir="auto">The most important thing to notice is that the position of +the text after the list marker determines how much indentation +is needed in subsequent blocks in the list item. If the list +marker takes up two spaces, and there are three spaces between +the list marker and the next [non-whitespace character], then blocks +must be indented five spaces in order to fall under the list +item.</p> +<p data-sourcepos="4228:1-4229:24" dir="auto">Here are some examples showing how far content must be indented to be +put under the list item:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4231:1-4235:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- one</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext"> two</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4237:1-4242:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ul></span> +<span id="LC2" class="line" lang="plaintext"><li>one</li></span> +<span id="LC3" class="line" lang="plaintext"></ul></span> +<span id="LC4" class="line" lang="plaintext"><p>two</p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4245:1-4249:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- one</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext"> two</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4251:1-4258:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ul></span> +<span id="LC2" class="line" lang="plaintext"><li></span> +<span id="LC3" class="line" lang="plaintext"><p>one</p></span> +<span id="LC4" class="line" lang="plaintext"><p>two</p></span> +<span id="LC5" class="line" lang="plaintext"></li></span> +<span id="LC6" class="line" lang="plaintext"></ul></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4261:1-4265:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> - one</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext"> two</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4267:1-4273:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ul></span> +<span id="LC2" class="line" lang="plaintext"><li>one</li></span> +<span id="LC3" class="line" lang="plaintext"></ul></span> +<span id="LC4" class="line" lang="plaintext"><pre><code> two</span> +<span id="LC5" class="line" lang="plaintext"></code></pre></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4276:1-4280:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> - one</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext"> two</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4282:1-4289:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ul></span> +<span id="LC2" class="line" lang="plaintext"><li></span> +<span id="LC3" class="line" lang="plaintext"><p>one</p></span> +<span id="LC4" class="line" lang="plaintext"><p>two</p></span> +<span id="LC5" class="line" lang="plaintext"></li></span> +<span id="LC6" class="line" lang="plaintext"></ul></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="4292:1-4298:13" dir="auto">It is tempting to think of this in terms of columns: the continuation +blocks must be indented at least to the column of the first +[non-whitespace character] after the list marker. However, that is not quite right. +The spaces after the list marker determine how much relative indentation +is needed. Which column this indentation reaches will depend on +how the list item is embedded in other constructions, as shown by +this example:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4300:1-4304:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> > > 1. one</span> +<span id="LC2" class="line" lang="plaintext">>></span> +<span id="LC3" class="line" lang="plaintext">>> two</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4306:1-4317:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><blockquote></span> +<span id="LC2" class="line" lang="plaintext"><blockquote></span> +<span id="LC3" class="line" lang="plaintext"><ol></span> +<span id="LC4" class="line" lang="plaintext"><li></span> +<span id="LC5" class="line" lang="plaintext"><p>one</p></span> +<span id="LC6" class="line" lang="plaintext"><p>two</p></span> +<span id="LC7" class="line" lang="plaintext"></li></span> +<span id="LC8" class="line" lang="plaintext"></ol></span> +<span id="LC9" class="line" lang="plaintext"></blockquote></span> +<span id="LC10" class="line" lang="plaintext"></blockquote></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="4320:1-4322:67" dir="auto">Here <code>two</code> occurs in the same column as the list marker <code>1.</code>, +but is actually contained in the list item, because there is +sufficient indentation after the last containing blockquote marker.</p> +<p data-sourcepos="4324:1-4327:38" dir="auto">The converse is also possible. In the following example, the word <code>two</code> +occurs far to the right of the initial text of the list item, <code>one</code>, but +it is not considered part of the list item, because it is not indented +far enough past the blockquote marker:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4329:1-4333:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">>>- one</span> +<span id="LC2" class="line" lang="plaintext">>></span> +<span id="LC3" class="line" lang="plaintext"> > > two</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4335:1-4344:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><blockquote></span> +<span id="LC2" class="line" lang="plaintext"><blockquote></span> +<span id="LC3" class="line" lang="plaintext"><ul></span> +<span id="LC4" class="line" lang="plaintext"><li>one</li></span> +<span id="LC5" class="line" lang="plaintext"></ul></span> +<span id="LC6" class="line" lang="plaintext"><p>two</p></span> +<span id="LC7" class="line" lang="plaintext"></blockquote></span> +<span id="LC8" class="line" lang="plaintext"></blockquote></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="4347:1-4348:51" dir="auto">Note that at least one space is needed between the list marker and +any following content, so these are not list items:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4350:1-4354:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">-one</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">2.two</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4356:1-4359:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>-one</p></span> +<span id="LC2" class="line" lang="plaintext"><p>2.two</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="4362:1-4363:15" dir="auto">A list item may contain blocks that are separated by more than +one blank line.</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4365:1-4370:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- foo</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext"></span> +<span id="LC4" class="line" lang="plaintext"> bar</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4372:1-4379:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ul></span> +<span id="LC2" class="line" lang="plaintext"><li></span> +<span id="LC3" class="line" lang="plaintext"><p>foo</p></span> +<span id="LC4" class="line" lang="plaintext"><p>bar</p></span> +<span id="LC5" class="line" lang="plaintext"></li></span> +<span id="LC6" class="line" lang="plaintext"></ul></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="4382:1-4382:42" dir="auto">A list item may contain any kind of block:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4384:1-4394:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">1. foo</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext"> ```</span> +<span id="LC4" class="line" lang="plaintext"> bar</span> +<span id="LC5" class="line" lang="plaintext"> ```</span> +<span id="LC6" class="line" lang="plaintext"></span> +<span id="LC7" class="line" lang="plaintext"> baz</span> +<span id="LC8" class="line" lang="plaintext"></span> +<span id="LC9" class="line" lang="plaintext"> > bam</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4396:1-4408:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ol></span> +<span id="LC2" class="line" lang="plaintext"><li></span> +<span id="LC3" class="line" lang="plaintext"><p>foo</p></span> +<span id="LC4" class="line" lang="plaintext"><pre><code>bar</span> +<span id="LC5" class="line" lang="plaintext"></code></pre></span> +<span id="LC6" class="line" lang="plaintext"><p>baz</p></span> +<span id="LC7" class="line" lang="plaintext"><blockquote></span> +<span id="LC8" class="line" lang="plaintext"><p>bam</p></span> +<span id="LC9" class="line" lang="plaintext"></blockquote></span> +<span id="LC10" class="line" lang="plaintext"></li></span> +<span id="LC11" class="line" lang="plaintext"></ol></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="4411:1-4412:43" dir="auto">A list item that contains an indented code block will preserve +empty lines within the code block verbatim.</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4414:1-4421:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- Foo</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext"> bar</span> +<span id="LC4" class="line" lang="plaintext"></span> +<span id="LC5" class="line" lang="plaintext"></span> +<span id="LC6" class="line" lang="plaintext"> baz</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4423:1-4434:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ul></span> +<span id="LC2" class="line" lang="plaintext"><li></span> +<span id="LC3" class="line" lang="plaintext"><p>Foo</p></span> +<span id="LC4" class="line" lang="plaintext"><pre><code>bar</span> +<span id="LC5" class="line" lang="plaintext"></span> +<span id="LC6" class="line" lang="plaintext"></span> +<span id="LC7" class="line" lang="plaintext">baz</span> +<span id="LC8" class="line" lang="plaintext"></code></pre></span> +<span id="LC9" class="line" lang="plaintext"></li></span> +<span id="LC10" class="line" lang="plaintext"></ul></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="4436:1-4436:65" dir="auto">Note that ordered list start numbers must be nine digits or less:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4438:1-4440:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">123456789. ok</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4442:1-4446:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ol start="123456789"></span> +<span id="LC2" class="line" lang="plaintext"><li>ok</li></span> +<span id="LC3" class="line" lang="plaintext"></ol></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4449:1-4451:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">1234567890. not ok</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4453:1-4455:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>1234567890. not ok</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="4458:1-4458:33" dir="auto">A start number may begin with 0s:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4460:1-4462:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">0. ok</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4464:1-4468:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ol start="0"></span> +<span id="LC2" class="line" lang="plaintext"><li>ok</li></span> +<span id="LC3" class="line" lang="plaintext"></ol></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4471:1-4473:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">003. ok</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4475:1-4479:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ol start="3"></span> +<span id="LC2" class="line" lang="plaintext"><li>ok</li></span> +<span id="LC3" class="line" lang="plaintext"></ol></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="4482:1-4482:35" dir="auto">A start number may not be negative:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4484:1-4486:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">-1. not ok</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4488:1-4490:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>-1. not ok</p></span></code></pre> +<copy-code></copy-code> +</div> +<ol start="2" data-sourcepos="4494:1-4504:0" dir="auto"> +<li data-sourcepos="4494:1-4504:0"> +<strong>Item starting with indented code.</strong> If a sequence of lines <em>Ls</em> +constitute a sequence of blocks <em>Bs</em> starting with an indented code +block, and <em>M</em> is a list marker of width <em>W</em> followed by +one space, then the result of prepending <em>M</em> and the following +space to the first line of <em>Ls</em>, and indenting subsequent lines of +<em>Ls</em> by <em>W + 1</em> spaces, is a list item with <em>Bs</em> as its contents. +If a line is empty, then it need not be indented. The type of the +list item (bullet or ordered) is determined by the type of its list +marker. If the list item is ordered, then it is also assigned a +start number, based on the ordered list marker.</li> +</ol> +<p data-sourcepos="4505:1-4507:39" dir="auto">An indented code block will have to be indented four spaces beyond +the edge of the region where text will be included in the list item. +In the following case that is 6 spaces:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4509:1-4513:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- foo</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext"> bar</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4515:1-4523:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ul></span> +<span id="LC2" class="line" lang="plaintext"><li></span> +<span id="LC3" class="line" lang="plaintext"><p>foo</p></span> +<span id="LC4" class="line" lang="plaintext"><pre><code>bar</span> +<span id="LC5" class="line" lang="plaintext"></code></pre></span> +<span id="LC6" class="line" lang="plaintext"></li></span> +<span id="LC7" class="line" lang="plaintext"></ul></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="4526:1-4526:33" dir="auto">And in this case it is 11 spaces:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4528:1-4532:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> 10. foo</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext"> bar</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4534:1-4542:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ol start="10"></span> +<span id="LC2" class="line" lang="plaintext"><li></span> +<span id="LC3" class="line" lang="plaintext"><p>foo</p></span> +<span id="LC4" class="line" lang="plaintext"><pre><code>bar</span> +<span id="LC5" class="line" lang="plaintext"></code></pre></span> +<span id="LC6" class="line" lang="plaintext"></li></span> +<span id="LC7" class="line" lang="plaintext"></ol></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="4545:1-4547:12" dir="auto">If the <em>first</em> block in the list item is an indented code block, +then by rule #2, the contents must be indented <em>one</em> space after the +list marker:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4549:1-4555:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> indented code</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">paragraph</span> +<span id="LC4" class="line" lang="plaintext"></span> +<span id="LC5" class="line" lang="plaintext"> more code</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4557:1-4563:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><pre><code>indented code</span> +<span id="LC2" class="line" lang="plaintext"></code></pre></span> +<span id="LC3" class="line" lang="plaintext"><p>paragraph</p></span> +<span id="LC4" class="line" lang="plaintext"><pre><code>more code</span> +<span id="LC5" class="line" lang="plaintext"></code></pre></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4566:1-4572:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">1. indented code</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext"> paragraph</span> +<span id="LC4" class="line" lang="plaintext"></span> +<span id="LC5" class="line" lang="plaintext"> more code</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4574:1-4584:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ol></span> +<span id="LC2" class="line" lang="plaintext"><li></span> +<span id="LC3" class="line" lang="plaintext"><pre><code>indented code</span> +<span id="LC4" class="line" lang="plaintext"></code></pre></span> +<span id="LC5" class="line" lang="plaintext"><p>paragraph</p></span> +<span id="LC6" class="line" lang="plaintext"><pre><code>more code</span> +<span id="LC7" class="line" lang="plaintext"></code></pre></span> +<span id="LC8" class="line" lang="plaintext"></li></span> +<span id="LC9" class="line" lang="plaintext"></ol></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="4587:1-4588:22" dir="auto">Note that an additional space indent is interpreted as space +inside the code block:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4590:1-4596:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">1. indented code</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext"> paragraph</span> +<span id="LC4" class="line" lang="plaintext"></span> +<span id="LC5" class="line" lang="plaintext"> more code</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4598:1-4608:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ol></span> +<span id="LC2" class="line" lang="plaintext"><li></span> +<span id="LC3" class="line" lang="plaintext"><pre><code> indented code</span> +<span id="LC4" class="line" lang="plaintext"></code></pre></span> +<span id="LC5" class="line" lang="plaintext"><p>paragraph</p></span> +<span id="LC6" class="line" lang="plaintext"><pre><code>more code</span> +<span id="LC7" class="line" lang="plaintext"></code></pre></span> +<span id="LC8" class="line" lang="plaintext"></li></span> +<span id="LC9" class="line" lang="plaintext"></ol></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="4611:1-4617:55" dir="auto">Note that rules #1 and #2 only apply to two cases: (a) cases +in which the lines to be included in a list item begin with a +[non-whitespace character], and (b) cases in which +they begin with an indented code +block. In a case like the following, where the first block begins with +a three-space indent, the rules do not allow us to form a list item by +indenting the whole thing and prepending a list marker:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4619:1-4623:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> foo</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">bar</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4625:1-4628:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>foo</p></span> +<span id="LC2" class="line" lang="plaintext"><p>bar</p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4631:1-4635:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- foo</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext"> bar</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4637:1-4642:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ul></span> +<span id="LC2" class="line" lang="plaintext"><li>foo</li></span> +<span id="LC3" class="line" lang="plaintext"></ul></span> +<span id="LC4" class="line" lang="plaintext"><p>bar</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="4645:1-4648:15" dir="auto">This is not a significant restriction, because when a block begins +with 1-3 spaces indent, the indentation can always be removed without +a change in interpretation, allowing rule #1 to be applied. So, in +the above case:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4650:1-4654:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- foo</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext"> bar</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4656:1-4663:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ul></span> +<span id="LC2" class="line" lang="plaintext"><li></span> +<span id="LC3" class="line" lang="plaintext"><p>foo</p></span> +<span id="LC4" class="line" lang="plaintext"><p>bar</p></span> +<span id="LC5" class="line" lang="plaintext"></li></span> +<span id="LC6" class="line" lang="plaintext"></ul></span></code></pre> +<copy-code></copy-code> +</div> +<ol start="3" data-sourcepos="4666:1-4677:0" dir="auto"> +<li data-sourcepos="4666:1-4677:0"> +<strong>Item starting with a blank line.</strong> If a sequence of lines <em>Ls</em> +starting with a single [blank line] constitute a (possibly empty) +sequence of blocks <em>Bs</em>, not separated from each other by more than +one blank line, and <em>M</em> is a list marker of width <em>W</em>, +then the result of prepending <em>M</em> to the first line of <em>Ls</em>, and +indenting subsequent lines of <em>Ls</em> by <em>W + 1</em> spaces, is a list +item with <em>Bs</em> as its contents. +If a line is empty, then it need not be indented. The type of the +list item (bullet or ordered) is determined by the type of its list +marker. If the list item is ordered, then it is also assigned a +start number, based on the ordered list marker.</li> +</ol> +<p data-sourcepos="4678:1-4678:72" dir="auto">Here are some list items that start with a blank line but are not empty:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4680:1-4689:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">-</span> +<span id="LC2" class="line" lang="plaintext"> foo</span> +<span id="LC3" class="line" lang="plaintext">-</span> +<span id="LC4" class="line" lang="plaintext"> ```</span> +<span id="LC5" class="line" lang="plaintext"> bar</span> +<span id="LC6" class="line" lang="plaintext"> ```</span> +<span id="LC7" class="line" lang="plaintext">-</span> +<span id="LC8" class="line" lang="plaintext"> baz</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4691:1-4703:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ul></span> +<span id="LC2" class="line" lang="plaintext"><li>foo</li></span> +<span id="LC3" class="line" lang="plaintext"><li></span> +<span id="LC4" class="line" lang="plaintext"><pre><code>bar</span> +<span id="LC5" class="line" lang="plaintext"></code></pre></span> +<span id="LC6" class="line" lang="plaintext"></li></span> +<span id="LC7" class="line" lang="plaintext"><li></span> +<span id="LC8" class="line" lang="plaintext"><pre><code>baz</span> +<span id="LC9" class="line" lang="plaintext"></code></pre></span> +<span id="LC10" class="line" lang="plaintext"></li></span> +<span id="LC11" class="line" lang="plaintext"></ul></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="4705:1-4706:66" dir="auto">When the list item starts with a blank line, the number of spaces +following the list marker doesn't change the required indentation:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4708:1-4711:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- </span> +<span id="LC2" class="line" lang="plaintext"> foo</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4713:1-4717:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ul></span> +<span id="LC2" class="line" lang="plaintext"><li>foo</li></span> +<span id="LC3" class="line" lang="plaintext"></ul></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="4720:1-4722:5" dir="auto">A list item can begin with at most one blank line. +In the following example, <code>foo</code> is not part of the list +item:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4724:1-4728:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">-</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext"> foo</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4730:1-4735:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ul></span> +<span id="LC2" class="line" lang="plaintext"><li></li></span> +<span id="LC3" class="line" lang="plaintext"></ul></span> +<span id="LC4" class="line" lang="plaintext"><p>foo</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="4738:1-4738:34" dir="auto">Here is an empty bullet list item:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4740:1-4744:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- foo</span> +<span id="LC2" class="line" lang="plaintext">-</span> +<span id="LC3" class="line" lang="plaintext">- bar</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4746:1-4752:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ul></span> +<span id="LC2" class="line" lang="plaintext"><li>foo</li></span> +<span id="LC3" class="line" lang="plaintext"><li></li></span> +<span id="LC4" class="line" lang="plaintext"><li>bar</li></span> +<span id="LC5" class="line" lang="plaintext"></ul></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="4755:1-4755:72" dir="auto">It does not matter whether there are spaces following the [list marker]:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4757:1-4761:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- foo</span> +<span id="LC2" class="line" lang="plaintext">- </span> +<span id="LC3" class="line" lang="plaintext">- bar</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4763:1-4769:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ul></span> +<span id="LC2" class="line" lang="plaintext"><li>foo</li></span> +<span id="LC3" class="line" lang="plaintext"><li></li></span> +<span id="LC4" class="line" lang="plaintext"><li>bar</li></span> +<span id="LC5" class="line" lang="plaintext"></ul></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="4772:1-4772:35" dir="auto">Here is an empty ordered list item:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4774:1-4778:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">1. foo</span> +<span id="LC2" class="line" lang="plaintext">2.</span> +<span id="LC3" class="line" lang="plaintext">3. bar</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4780:1-4786:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ol></span> +<span id="LC2" class="line" lang="plaintext"><li>foo</li></span> +<span id="LC3" class="line" lang="plaintext"><li></li></span> +<span id="LC4" class="line" lang="plaintext"><li>bar</li></span> +<span id="LC5" class="line" lang="plaintext"></ol></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="4789:1-4789:48" dir="auto">A list may start or end with an empty list item:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4791:1-4793:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">*</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4795:1-4799:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ul></span> +<span id="LC2" class="line" lang="plaintext"><li></li></span> +<span id="LC3" class="line" lang="plaintext"></ul></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="4801:1-4801:57" dir="auto">However, an empty list item cannot interrupt a paragraph:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4803:1-4809:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo</span> +<span id="LC2" class="line" lang="plaintext">*</span> +<span id="LC3" class="line" lang="plaintext"></span> +<span id="LC4" class="line" lang="plaintext">foo</span> +<span id="LC5" class="line" lang="plaintext">1.</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4811:1-4816:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>foo</span> +<span id="LC2" class="line" lang="plaintext">*</p></span> +<span id="LC3" class="line" lang="plaintext"><p>foo</span> +<span id="LC4" class="line" lang="plaintext">1.</p></span></code></pre> +<copy-code></copy-code> +</div> +<ol start="4" data-sourcepos="4819:1-4824:0" dir="auto"> +<li data-sourcepos="4819:1-4824:0"> +<strong>Indentation.</strong> If a sequence of lines <em>Ls</em> constitutes a list item +according to rule #1, #2, or #3, then the result of indenting each line +of <em>Ls</em> by 1-3 spaces (the same for each line) also constitutes a +list item with the same contents and attributes. If a line is +empty, then it need not be indented.</li> +</ol> +<p data-sourcepos="4825:1-4825:19" dir="auto">Indented one space:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4827:1-4834:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> 1. A paragraph</span> +<span id="LC2" class="line" lang="plaintext"> with two lines.</span> +<span id="LC3" class="line" lang="plaintext"></span> +<span id="LC4" class="line" lang="plaintext"> indented code</span> +<span id="LC5" class="line" lang="plaintext"></span> +<span id="LC6" class="line" lang="plaintext"> > A block quote.</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4836:1-4848:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ol></span> +<span id="LC2" class="line" lang="plaintext"><li></span> +<span id="LC3" class="line" lang="plaintext"><p>A paragraph</span> +<span id="LC4" class="line" lang="plaintext">with two lines.</p></span> +<span id="LC5" class="line" lang="plaintext"><pre><code>indented code</span> +<span id="LC6" class="line" lang="plaintext"></code></pre></span> +<span id="LC7" class="line" lang="plaintext"><blockquote></span> +<span id="LC8" class="line" lang="plaintext"><p>A block quote.</p></span> +<span id="LC9" class="line" lang="plaintext"></blockquote></span> +<span id="LC10" class="line" lang="plaintext"></li></span> +<span id="LC11" class="line" lang="plaintext"></ol></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="4851:1-4851:20" dir="auto">Indented two spaces:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4853:1-4860:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> 1. A paragraph</span> +<span id="LC2" class="line" lang="plaintext"> with two lines.</span> +<span id="LC3" class="line" lang="plaintext"></span> +<span id="LC4" class="line" lang="plaintext"> indented code</span> +<span id="LC5" class="line" lang="plaintext"></span> +<span id="LC6" class="line" lang="plaintext"> > A block quote.</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4862:1-4874:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ol></span> +<span id="LC2" class="line" lang="plaintext"><li></span> +<span id="LC3" class="line" lang="plaintext"><p>A paragraph</span> +<span id="LC4" class="line" lang="plaintext">with two lines.</p></span> +<span id="LC5" class="line" lang="plaintext"><pre><code>indented code</span> +<span id="LC6" class="line" lang="plaintext"></code></pre></span> +<span id="LC7" class="line" lang="plaintext"><blockquote></span> +<span id="LC8" class="line" lang="plaintext"><p>A block quote.</p></span> +<span id="LC9" class="line" lang="plaintext"></blockquote></span> +<span id="LC10" class="line" lang="plaintext"></li></span> +<span id="LC11" class="line" lang="plaintext"></ol></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="4877:1-4877:22" dir="auto">Indented three spaces:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4879:1-4886:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> 1. A paragraph</span> +<span id="LC2" class="line" lang="plaintext"> with two lines.</span> +<span id="LC3" class="line" lang="plaintext"></span> +<span id="LC4" class="line" lang="plaintext"> indented code</span> +<span id="LC5" class="line" lang="plaintext"></span> +<span id="LC6" class="line" lang="plaintext"> > A block quote.</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4888:1-4900:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ol></span> +<span id="LC2" class="line" lang="plaintext"><li></span> +<span id="LC3" class="line" lang="plaintext"><p>A paragraph</span> +<span id="LC4" class="line" lang="plaintext">with two lines.</p></span> +<span id="LC5" class="line" lang="plaintext"><pre><code>indented code</span> +<span id="LC6" class="line" lang="plaintext"></code></pre></span> +<span id="LC7" class="line" lang="plaintext"><blockquote></span> +<span id="LC8" class="line" lang="plaintext"><p>A block quote.</p></span> +<span id="LC9" class="line" lang="plaintext"></blockquote></span> +<span id="LC10" class="line" lang="plaintext"></li></span> +<span id="LC11" class="line" lang="plaintext"></ol></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="4903:1-4903:38" dir="auto">Four spaces indent gives a code block:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4905:1-4912:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> 1. A paragraph</span> +<span id="LC2" class="line" lang="plaintext"> with two lines.</span> +<span id="LC3" class="line" lang="plaintext"></span> +<span id="LC4" class="line" lang="plaintext"> indented code</span> +<span id="LC5" class="line" lang="plaintext"></span> +<span id="LC6" class="line" lang="plaintext"> > A block quote.</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4914:1-4922:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><pre><code>1. A paragraph</span> +<span id="LC2" class="line" lang="plaintext"> with two lines.</span> +<span id="LC3" class="line" lang="plaintext"></span> +<span id="LC4" class="line" lang="plaintext"> indented code</span> +<span id="LC5" class="line" lang="plaintext"></span> +<span id="LC6" class="line" lang="plaintext"> &gt; A block quote.</span> +<span id="LC7" class="line" lang="plaintext"></code></pre></span></code></pre> +<copy-code></copy-code> +</div> +<ol start="5" data-sourcepos="4926:1-4934:0" dir="auto"> +<li data-sourcepos="4926:1-4934:0"> +<strong>Laziness.</strong> If a string of lines <em>Ls</em> constitute a <a href="#list-items">list +item</a> with contents <em>Bs</em>, then the result of deleting +some or all of the indentation from one or more lines in which the +next [non-whitespace character] after the indentation is +[paragraph continuation text] is a +list item with the same contents and attributes. The unindented +lines are called +<a href="@">lazy continuation line</a>s.</li> +</ol> +<p data-sourcepos="4935:1-4935:50" dir="auto">Here is an example with [lazy continuation lines]:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4937:1-4944:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> 1. A paragraph</span> +<span id="LC2" class="line" lang="plaintext">with two lines.</span> +<span id="LC3" class="line" lang="plaintext"></span> +<span id="LC4" class="line" lang="plaintext"> indented code</span> +<span id="LC5" class="line" lang="plaintext"></span> +<span id="LC6" class="line" lang="plaintext"> > A block quote.</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4946:1-4958:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ol></span> +<span id="LC2" class="line" lang="plaintext"><li></span> +<span id="LC3" class="line" lang="plaintext"><p>A paragraph</span> +<span id="LC4" class="line" lang="plaintext">with two lines.</p></span> +<span id="LC5" class="line" lang="plaintext"><pre><code>indented code</span> +<span id="LC6" class="line" lang="plaintext"></code></pre></span> +<span id="LC7" class="line" lang="plaintext"><blockquote></span> +<span id="LC8" class="line" lang="plaintext"><p>A block quote.</p></span> +<span id="LC9" class="line" lang="plaintext"></blockquote></span> +<span id="LC10" class="line" lang="plaintext"></li></span> +<span id="LC11" class="line" lang="plaintext"></ol></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="4961:1-4961:37" dir="auto">Indentation can be partially deleted:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4963:1-4966:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> 1. A paragraph</span> +<span id="LC2" class="line" lang="plaintext"> with two lines.</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4968:1-4973:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ol></span> +<span id="LC2" class="line" lang="plaintext"><li>A paragraph</span> +<span id="LC3" class="line" lang="plaintext">with two lines.</li></span> +<span id="LC4" class="line" lang="plaintext"></ol></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="4976:1-4976:63" dir="auto">These examples show how laziness can work in nested structures:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4978:1-4981:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">> 1. > Blockquote</span> +<span id="LC2" class="line" lang="plaintext">continued here.</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4983:1-4994:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><blockquote></span> +<span id="LC2" class="line" lang="plaintext"><ol></span> +<span id="LC3" class="line" lang="plaintext"><li></span> +<span id="LC4" class="line" lang="plaintext"><blockquote></span> +<span id="LC5" class="line" lang="plaintext"><p>Blockquote</span> +<span id="LC6" class="line" lang="plaintext">continued here.</p></span> +<span id="LC7" class="line" lang="plaintext"></blockquote></span> +<span id="LC8" class="line" lang="plaintext"></li></span> +<span id="LC9" class="line" lang="plaintext"></ol></span> +<span id="LC10" class="line" lang="plaintext"></blockquote></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="4997:1-5000:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">> 1. > Blockquote</span> +<span id="LC2" class="line" lang="plaintext">> continued here.</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5002:1-5013:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><blockquote></span> +<span id="LC2" class="line" lang="plaintext"><ol></span> +<span id="LC3" class="line" lang="plaintext"><li></span> +<span id="LC4" class="line" lang="plaintext"><blockquote></span> +<span id="LC5" class="line" lang="plaintext"><p>Blockquote</span> +<span id="LC6" class="line" lang="plaintext">continued here.</p></span> +<span id="LC7" class="line" lang="plaintext"></blockquote></span> +<span id="LC8" class="line" lang="plaintext"></li></span> +<span id="LC9" class="line" lang="plaintext"></ol></span> +<span id="LC10" class="line" lang="plaintext"></blockquote></span></code></pre> +<copy-code></copy-code> +</div> +<ol start="6" data-sourcepos="5017:1-5019:0" dir="auto"> +<li data-sourcepos="5017:1-5019:0"> +<strong>That's all.</strong> Nothing that is not counted as a list item by rules +#1--5 counts as a <a href="#list-items">list item</a>.</li> +</ol> +<p data-sourcepos="5020:1-5023:17" dir="auto">The rules for sublists follow from the general rules +[above][List items]. A sublist must be indented the same number +of spaces a paragraph would need to be in order to be included +in the list item.</p> +<p data-sourcepos="5025:1-5025:43" dir="auto">So, in this case we need two spaces indent:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5027:1-5032:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- foo</span> +<span id="LC2" class="line" lang="plaintext"> - bar</span> +<span id="LC3" class="line" lang="plaintext"> - baz</span> +<span id="LC4" class="line" lang="plaintext"> - boo</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5034:1-5050:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ul></span> +<span id="LC2" class="line" lang="plaintext"><li>foo</span> +<span id="LC3" class="line" lang="plaintext"><ul></span> +<span id="LC4" class="line" lang="plaintext"><li>bar</span> +<span id="LC5" class="line" lang="plaintext"><ul></span> +<span id="LC6" class="line" lang="plaintext"><li>baz</span> +<span id="LC7" class="line" lang="plaintext"><ul></span> +<span id="LC8" class="line" lang="plaintext"><li>boo</li></span> +<span id="LC9" class="line" lang="plaintext"></ul></span> +<span id="LC10" class="line" lang="plaintext"></li></span> +<span id="LC11" class="line" lang="plaintext"></ul></span> +<span id="LC12" class="line" lang="plaintext"></li></span> +<span id="LC13" class="line" lang="plaintext"></ul></span> +<span id="LC14" class="line" lang="plaintext"></li></span> +<span id="LC15" class="line" lang="plaintext"></ul></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="5053:1-5053:18" dir="auto">One is not enough:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5055:1-5060:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- foo</span> +<span id="LC2" class="line" lang="plaintext"> - bar</span> +<span id="LC3" class="line" lang="plaintext"> - baz</span> +<span id="LC4" class="line" lang="plaintext"> - boo</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5062:1-5069:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ul></span> +<span id="LC2" class="line" lang="plaintext"><li>foo</li></span> +<span id="LC3" class="line" lang="plaintext"><li>bar</li></span> +<span id="LC4" class="line" lang="plaintext"><li>baz</li></span> +<span id="LC5" class="line" lang="plaintext"><li>boo</li></span> +<span id="LC6" class="line" lang="plaintext"></ul></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="5072:1-5072:52" dir="auto">Here we need four, because the list marker is wider:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5074:1-5077:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">10) foo</span> +<span id="LC2" class="line" lang="plaintext"> - bar</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5079:1-5087:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ol start="10"></span> +<span id="LC2" class="line" lang="plaintext"><li>foo</span> +<span id="LC3" class="line" lang="plaintext"><ul></span> +<span id="LC4" class="line" lang="plaintext"><li>bar</li></span> +<span id="LC5" class="line" lang="plaintext"></ul></span> +<span id="LC6" class="line" lang="plaintext"></li></span> +<span id="LC7" class="line" lang="plaintext"></ol></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="5090:1-5090:20" dir="auto">Three is not enough:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5092:1-5095:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">10) foo</span> +<span id="LC2" class="line" lang="plaintext"> - bar</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5097:1-5104:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ol start="10"></span> +<span id="LC2" class="line" lang="plaintext"><li>foo</li></span> +<span id="LC3" class="line" lang="plaintext"></ol></span> +<span id="LC4" class="line" lang="plaintext"><ul></span> +<span id="LC5" class="line" lang="plaintext"><li>bar</li></span> +<span id="LC6" class="line" lang="plaintext"></ul></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="5107:1-5107:45" dir="auto">A list may be the first block in a list item:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5109:1-5111:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- - foo</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5113:1-5121:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ul></span> +<span id="LC2" class="line" lang="plaintext"><li></span> +<span id="LC3" class="line" lang="plaintext"><ul></span> +<span id="LC4" class="line" lang="plaintext"><li>foo</li></span> +<span id="LC5" class="line" lang="plaintext"></ul></span> +<span id="LC6" class="line" lang="plaintext"></li></span> +<span id="LC7" class="line" lang="plaintext"></ul></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5124:1-5126:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">1. - 2. foo</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5128:1-5140:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ol></span> +<span id="LC2" class="line" lang="plaintext"><li></span> +<span id="LC3" class="line" lang="plaintext"><ul></span> +<span id="LC4" class="line" lang="plaintext"><li></span> +<span id="LC5" class="line" lang="plaintext"><ol start="2"></span> +<span id="LC6" class="line" lang="plaintext"><li>foo</li></span> +<span id="LC7" class="line" lang="plaintext"></ol></span> +<span id="LC8" class="line" lang="plaintext"></li></span> +<span id="LC9" class="line" lang="plaintext"></ul></span> +<span id="LC10" class="line" lang="plaintext"></li></span> +<span id="LC11" class="line" lang="plaintext"></ol></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="5143:1-5143:34" dir="auto">A list item can contain a heading:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5145:1-5150:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- # Foo</span> +<span id="LC2" class="line" lang="plaintext">- Bar</span> +<span id="LC3" class="line" lang="plaintext"> ---</span> +<span id="LC4" class="line" lang="plaintext"> baz</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5152:1-5161:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ul></span> +<span id="LC2" class="line" lang="plaintext"><li></span> +<span id="LC3" class="line" lang="plaintext"><h1>Foo</h1></span> +<span id="LC4" class="line" lang="plaintext"></li></span> +<span id="LC5" class="line" lang="plaintext"><li></span> +<span id="LC6" class="line" lang="plaintext"><h2>Bar</h2></span> +<span id="LC7" class="line" lang="plaintext">baz</li></span> +<span id="LC8" class="line" lang="plaintext"></ul></span></code></pre> +<copy-code></copy-code> +</div> +<h3 data-sourcepos="5164:1-5164:14" dir="auto"> +<a id="user-content-motivation" class="anchor" href="#motivation" aria-hidden="true"></a>Motivation</h3> +<p data-sourcepos="5166:1-5166:64" dir="auto">John Gruber's Markdown spec says the following about list items:</p> +<ol data-sourcepos="5168:1-5187:0" dir="auto"> +<li data-sourcepos="5168:1-5171:0"> +<p data-sourcepos="5168:4-5170:20">"List markers typically start at the left margin, but may be indented +by up to three spaces. List markers must be followed by one or more +spaces or a tab."</p> +</li> +<li data-sourcepos="5172:1-5174:0"> +<p data-sourcepos="5172:4-5173:48">"To make lists look nice, you can wrap items with hanging indents.... +But if you don't want to, you don't have to."</p> +</li> +<li data-sourcepos="5175:1-5178:0"> +<p data-sourcepos="5175:4-5177:8">"List items may consist of multiple paragraphs. Each subsequent +paragraph in a list item must be indented by either 4 spaces or one +tab."</p> +</li> +<li data-sourcepos="5179:1-5181:0"> +<p data-sourcepos="5179:4-5180:55">"It looks nice if you indent every line of the subsequent paragraphs, +but here again, Markdown will allow you to be lazy."</p> +</li> +<li data-sourcepos="5182:1-5184:0"> +<p data-sourcepos="5182:4-5183:35">"To put a blockquote within a list item, the blockquote's <code>></code> +delimiters need to be indented."</p> +</li> +<li data-sourcepos="5185:1-5187:0"> +<p data-sourcepos="5185:4-5186:44">"To put a code block within a list item, the code block needs to be +indented twice — 8 spaces or two tabs."</p> +</li> +</ol> +<p data-sourcepos="5188:1-5197:18" dir="auto">These rules specify that a paragraph under a list item must be indented +four spaces (presumably, from the left margin, rather than the start of +the list marker, but this is not said), and that code under a list item +must be indented eight spaces instead of the usual four. They also say +that a block quote must be indented, but not by how much; however, the +example given has four spaces indentation. Although nothing is said +about other kinds of block-level content, it is certainly reasonable to +infer that <em>all</em> block elements under a list item, including other +lists, must be indented four spaces. This principle has been called the +<em>four-space rule</em>.</p> +<p data-sourcepos="5199:1-5210:48" dir="auto">The four-space rule is clear and principled, and if the reference +implementation <code>Markdown.pl</code> had followed it, it probably would have +become the standard. However, <code>Markdown.pl</code> allowed paragraphs and +sublists to start with only two spaces indentation, at least on the +outer level. Worse, its behavior was inconsistent: a sublist of an +outer-level list needed two spaces indentation, but a sublist of this +sublist needed three spaces. It is not surprising, then, that different +implementations of Markdown have developed very different rules for +determining what comes under a list item. (Pandoc and python-Markdown, +for example, stuck with Gruber's syntax description and the four-space +rule, while discount, redcarpet, marked, PHP Markdown, and others +followed <code>Markdown.pl</code>'s behavior more closely.)</p> +<p data-sourcepos="5212:1-5217:45" dir="auto">Unfortunately, given the divergences between implementations, there +is no way to give a spec for list items that will be guaranteed not +to break any existing documents. However, the spec given here should +correctly handle lists formatted with either the four-space rule or +the more forgiving <code>Markdown.pl</code> behavior, provided they are laid out +in a way that is natural for a human to read.</p> +<p data-sourcepos="5219:1-5225:22" dir="auto">The strategy here is to let the width and indentation of the list marker +determine the indentation necessary for blocks to fall under the list +item, rather than having a fixed and arbitrary number. The writer can +think of the body of the list item as a unit which gets indented to the +right enough to fit the list marker (and any indentation on the list +marker). (The laziness rule, #5, then allows continuation lines to be +unindented if needed.)</p> +<p data-sourcepos="5227:1-5229:39" dir="auto">This rule is superior, we claim, to any rule requiring a fixed level of +indentation from the margin. The four-space rule is clear but +unnatural. It is quite unintuitive that</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5231:1-5237:3" lang="markdown" class="code highlight js-syntax-highlight language-markdown" v-pre="true"><code><span id="LC1" class="line" lang="markdown"><span class="p">-</span> foo</span> +<span id="LC2" class="line" lang="markdown"></span> +<span id="LC3" class="line" lang="markdown"> bar</span> +<span id="LC4" class="line" lang="markdown"></span> +<span id="LC5" class="line" lang="markdown"><span class="p"> -</span> baz</span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="5239:1-5239:60" dir="auto">should be parsed as two lists with an intervening paragraph,</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5241:1-5249:3" lang="html" class="code highlight js-syntax-highlight language-html" v-pre="true"><code><span id="LC1" class="line" lang="html"><span class="nt"><ul></span></span> +<span id="LC2" class="line" lang="html"><span class="nt"><li></span>foo<span class="nt"></li></span></span> +<span id="LC3" class="line" lang="html"><span class="nt"></ul></span></span> +<span id="LC4" class="line" lang="html"><span class="nt"><p></span>bar<span class="nt"></p></span></span> +<span id="LC5" class="line" lang="html"><span class="nt"><ul></span></span> +<span id="LC6" class="line" lang="html"><span class="nt"><li></span>baz<span class="nt"></li></span></span> +<span id="LC7" class="line" lang="html"><span class="nt"></ul></span></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="5251:1-5251:58" dir="auto">as the four-space rule demands, rather than a single list,</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5253:1-5263:3" lang="html" class="code highlight js-syntax-highlight language-html" v-pre="true"><code><span id="LC1" class="line" lang="html"><span class="nt"><ul></span></span> +<span id="LC2" class="line" lang="html"><span class="nt"><li></span></span> +<span id="LC3" class="line" lang="html"><span class="nt"><p></span>foo<span class="nt"></p></span></span> +<span id="LC4" class="line" lang="html"><span class="nt"><p></span>bar<span class="nt"></p></span></span> +<span id="LC5" class="line" lang="html"><span class="nt"><ul></span></span> +<span id="LC6" class="line" lang="html"><span class="nt"><li></span>baz<span class="nt"></li></span></span> +<span id="LC7" class="line" lang="html"><span class="nt"></ul></span></span> +<span id="LC8" class="line" lang="html"><span class="nt"></li></span></span> +<span id="LC9" class="line" lang="html"><span class="nt"></ul></span></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="5265:1-5266:62" dir="auto">The choice of four spaces is arbitrary. It can be learned, but it is +not likely to be guessed, and it trips up beginners regularly.</p> +<p data-sourcepos="5268:1-5272:20" dir="auto">Would it help to adopt a two-space rule? The problem is that such +a rule, together with the rule allowing 1--3 spaces indentation of the +initial list marker, allows text that is indented <em>less than</em> the +original list marker to be included in the list item. For example, +<code>Markdown.pl</code> parses</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5274:1-5278:3" lang="markdown" class="code highlight js-syntax-highlight language-markdown" v-pre="true"><code><span id="LC1" class="line" lang="markdown"><span class="p"> -</span> one</span> +<span id="LC2" class="line" lang="markdown"></span> +<span id="LC3" class="line" lang="markdown"> two</span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="5280:1-5280:59" dir="auto">as a single list item, with <code>two</code> a continuation paragraph:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5282:1-5289:3" lang="html" class="code highlight js-syntax-highlight language-html" v-pre="true"><code><span id="LC1" class="line" lang="html"><span class="nt"><ul></span></span> +<span id="LC2" class="line" lang="html"><span class="nt"><li></span></span> +<span id="LC3" class="line" lang="html"><span class="nt"><p></span>one<span class="nt"></p></span></span> +<span id="LC4" class="line" lang="html"><span class="nt"><p></span>two<span class="nt"></p></span></span> +<span id="LC5" class="line" lang="html"><span class="nt"></li></span></span> +<span id="LC6" class="line" lang="html"><span class="nt"></ul></span></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="5291:1-5291:13" dir="auto">and similarly</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5293:1-5297:3" lang="markdown" class="code highlight js-syntax-highlight language-markdown" v-pre="true"><code><span id="LC1" class="line" lang="markdown"><span class="gt">> - one</span></span> +<span id="LC2" class="line" lang="markdown"><span class="gt">></span></span> +<span id="LC3" class="line" lang="markdown"><span class="gt">> two</span></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="5299:1-5299:2" dir="auto">as</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5301:1-5310:3" lang="html" class="code highlight js-syntax-highlight language-html" v-pre="true"><code><span id="LC1" class="line" lang="html"><span class="nt"><blockquote></span></span> +<span id="LC2" class="line" lang="html"><span class="nt"><ul></span></span> +<span id="LC3" class="line" lang="html"><span class="nt"><li></span></span> +<span id="LC4" class="line" lang="html"><span class="nt"><p></span>one<span class="nt"></p></span></span> +<span id="LC5" class="line" lang="html"><span class="nt"><p></span>two<span class="nt"></p></span></span> +<span id="LC6" class="line" lang="html"><span class="nt"></li></span></span> +<span id="LC7" class="line" lang="html"><span class="nt"></ul></span></span> +<span id="LC8" class="line" lang="html"><span class="nt"></blockquote></span></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="5312:1-5312:30" dir="auto">This is extremely unintuitive.</p> +<p data-sourcepos="5314:1-5319:52" dir="auto">Rather than requiring a fixed indent from the margin, we could require +a fixed indent (say, two spaces, or even one space) from the list marker (which +may itself be indented). This proposal would remove the last anomaly +discussed. Unlike the spec presented above, it would count the following +as a list item with a subparagraph, even though the paragraph <code>bar</code> +is not indented as far as the first paragraph <code>foo</code>:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5321:1-5325:3" lang="markdown" class="code highlight js-syntax-highlight language-markdown" v-pre="true"><code><span id="LC1" class="line" lang="markdown"><span class="p"> 10.</span> foo</span> +<span id="LC2" class="line" lang="markdown"></span> +<span id="LC3" class="line" lang="markdown"> bar </span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="5327:1-5330:62" dir="auto">Arguably this text does read like a list item with <code>bar</code> as a subparagraph, +which may count in favor of the proposal. However, on this proposal indented +code would have to be indented six spaces after the list marker. And this +would break a lot of existing Markdown, which has the pattern:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5332:1-5336:3" lang="markdown" class="code highlight js-syntax-highlight language-markdown" v-pre="true"><code><span id="LC1" class="line" lang="markdown"><span class="p">1.</span> foo</span> +<span id="LC2" class="line" lang="markdown"></span> +<span id="LC3" class="line" lang="markdown"><span class="sb"> indented code</span></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="5338:1-5340:28" dir="auto">where the code is indented eight spaces. The spec above, by contrast, will +parse this text as expected, since the code block's indentation is measured +from the beginning of <code>foo</code>.</p> +<p data-sourcepos="5342:1-5348:62" dir="auto">The one case that needs special treatment is a list item that <em>starts</em> +with indented code. How much indentation is required in that case, since +we don't have a "first paragraph" to measure from? Rule #2 simply stipulates +that in such cases, we require one space indentation from the list marker +(and then the normal four spaces for the indented code). This will match the +four-space rule in cases where the list marker plus its initial indentation +takes four spaces (a common case), but diverge in other cases.</p> +<div> +<h2 data-sourcepos="5352:1-5352:30"> +<a id="user-content-task-list-items-extension" class="anchor" href="#task-list-items-extension" aria-hidden="true"></a>Task list items (extension)</h2> +<p data-sourcepos="5354:1-5355:26">GFM enables the <code>tasklist</code> extension, where an additional processing step is +performed on [list items].</p> +<p data-sourcepos="5357:1-5359:46">A <a href="@">task list item</a> is a [list item][list items] where the first block in it +is a paragraph which begins with a [task list item marker] and at least one +whitespace character before any other content.</p> +<p data-sourcepos="5361:1-5363:55">A <a href="@">task list item marker</a> consists of an optional number of spaces, a left +bracket (<code>[</code>), either a whitespace character or the letter <code>x</code> in either +lowercase or uppercase, and then a right bracket (<code>]</code>).</p> +<p data-sourcepos="5365:1-5366:70">When rendered, the [task list item marker] is replaced with a semantic checkbox element; +in an HTML output, this would be an <code><input type="checkbox"></code> element.</p> +<p data-sourcepos="5368:1-5369:50">If the character between the brackets is a whitespace character, the checkbox +is unchecked. Otherwise, the checkbox is checked.</p> +<p data-sourcepos="5371:1-5374:28">This spec does not define how the checkbox elements are interacted with: in practice, +implementors are free to render the checkboxes as disabled or inmutable elements, +or they may dynamically handle dynamic interactions (i.e. checking, unchecking) in +the final rendered document.</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5376:1-5379:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- [ ] foo</span> +<span id="LC2" class="line" lang="plaintext">- [x] bar</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5381:1-5386:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ul></span> +<span id="LC2" class="line" lang="plaintext"><li><input disabled="" type="checkbox"> foo</li></span> +<span id="LC3" class="line" lang="plaintext"><li><input checked="" disabled="" type="checkbox"> bar</li></span> +<span id="LC4" class="line" lang="plaintext"></ul></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="5388:1-5388:37">Task lists can be arbitrarily nested:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5390:1-5395:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- [x] foo</span> +<span id="LC2" class="line" lang="plaintext"> - [ ] bar</span> +<span id="LC3" class="line" lang="plaintext"> - [x] baz</span> +<span id="LC4" class="line" lang="plaintext">- [ ] bim</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5397:1-5407:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ul></span> +<span id="LC2" class="line" lang="plaintext"><li><input checked="" disabled="" type="checkbox"> foo</span> +<span id="LC3" class="line" lang="plaintext"><ul></span> +<span id="LC4" class="line" lang="plaintext"><li><input disabled="" type="checkbox"> bar</li></span> +<span id="LC5" class="line" lang="plaintext"><li><input checked="" disabled="" type="checkbox"> baz</li></span> +<span id="LC6" class="line" lang="plaintext"></ul></span> +<span id="LC7" class="line" lang="plaintext"></li></span> +<span id="LC8" class="line" lang="plaintext"><li><input disabled="" type="checkbox"> bim</li></span> +<span id="LC9" class="line" lang="plaintext"></ul></span></code></pre> +<copy-code></copy-code> +</div> +</div> +<h2 data-sourcepos="5411:1-5411:8" dir="auto"> +<a id="user-content-lists" class="anchor" href="#lists" aria-hidden="true"></a>Lists</h2> +<p data-sourcepos="5413:1-5415:46" dir="auto">A <a href="@">list</a> is a sequence of one or more +list items [of the same type]. The list items +may be separated by any number of blank lines.</p> +<p data-sourcepos="5417:1-5422:30" dir="auto">Two list items are <a href="@">of the same type</a> +if they begin with a [list marker] of the same type. +Two list markers are of the +same type if (a) they are bullet list markers using the same character +(<code>-</code>, <code>+</code>, or <code>*</code>) or (b) they are ordered list numbers with the same +delimiter (either <code>.</code> or <code>)</code>).</p> +<p data-sourcepos="5424:1-5428:39" dir="auto">A list is an <a href="@">ordered list</a> +if its constituent list items begin with +[ordered list markers], and a +<a href="@">bullet list</a> if its constituent list +items begin with [bullet list markers].</p> +<p data-sourcepos="5430:1-5433:12" dir="auto">The <a href="@">start number</a> +of an [ordered list] is determined by the list number of +its initial list item. The numbers of subsequent list items are +disregarded.</p> +<p data-sourcepos="5435:1-5440:65" dir="auto">A list is <a href="@">loose</a> if any of its constituent +list items are separated by blank lines, or if any of its constituent +list items directly contain two block-level elements with a blank line +between them. Otherwise a list is <a href="@">tight</a>. +(The difference in HTML output is that paragraphs in a loose list are +wrapped in <code><p></code> tags, while paragraphs in a tight list are not.)</p> +<p data-sourcepos="5442:1-5442:64" dir="auto">Changing the bullet or ordered list delimiter starts a new list:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5444:1-5448:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- foo</span> +<span id="LC2" class="line" lang="plaintext">- bar</span> +<span id="LC3" class="line" lang="plaintext">+ baz</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5450:1-5458:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ul></span> +<span id="LC2" class="line" lang="plaintext"><li>foo</li></span> +<span id="LC3" class="line" lang="plaintext"><li>bar</li></span> +<span id="LC4" class="line" lang="plaintext"></ul></span> +<span id="LC5" class="line" lang="plaintext"><ul></span> +<span id="LC6" class="line" lang="plaintext"><li>baz</li></span> +<span id="LC7" class="line" lang="plaintext"></ul></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5461:1-5465:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">1. foo</span> +<span id="LC2" class="line" lang="plaintext">2. bar</span> +<span id="LC3" class="line" lang="plaintext">3) baz</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5467:1-5475:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ol></span> +<span id="LC2" class="line" lang="plaintext"><li>foo</li></span> +<span id="LC3" class="line" lang="plaintext"><li>bar</li></span> +<span id="LC4" class="line" lang="plaintext"></ol></span> +<span id="LC5" class="line" lang="plaintext"><ol start="3"></span> +<span id="LC6" class="line" lang="plaintext"><li>baz</li></span> +<span id="LC7" class="line" lang="plaintext"></ol></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="5478:1-5480:5" dir="auto">In CommonMark, a list can interrupt a paragraph. That is, +no blank line is needed to separate a paragraph from a following +list:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5482:1-5486:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">Foo</span> +<span id="LC2" class="line" lang="plaintext">- bar</span> +<span id="LC3" class="line" lang="plaintext">- baz</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5488:1-5494:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>Foo</p></span> +<span id="LC2" class="line" lang="plaintext"><ul></span> +<span id="LC3" class="line" lang="plaintext"><li>bar</li></span> +<span id="LC4" class="line" lang="plaintext"><li>baz</li></span> +<span id="LC5" class="line" lang="plaintext"></ul></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="5496:1-5497:37" dir="auto"><code>Markdown.pl</code> does not allow this, through fear of triggering a list +via a numeral in a hard-wrapped line:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5499:1-5502:3" lang="markdown" class="code highlight js-syntax-highlight language-markdown" v-pre="true"><code><span id="LC1" class="line" lang="markdown">The number of windows in my house is</span> +<span id="LC2" class="line" lang="markdown"><span class="p">14.</span> The number of doors is 6.</span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="5504:1-5506:6" dir="auto">Oddly, though, <code>Markdown.pl</code> <em>does</em> allow a blockquote to +interrupt a paragraph, even though the same considerations might +apply.</p> +<p data-sourcepos="5508:1-5510:35" dir="auto">In CommonMark, we do allow lists to interrupt paragraphs, for +two reasons. First, it is natural and not uncommon for people +to start lists without blank lines:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5512:1-5517:3" lang="markdown" class="code highlight js-syntax-highlight language-markdown" v-pre="true"><code><span id="LC1" class="line" lang="markdown">I need to buy</span> +<span id="LC2" class="line" lang="markdown"><span class="p">-</span> new shoes</span> +<span id="LC3" class="line" lang="markdown"><span class="p">-</span> a coat</span> +<span id="LC4" class="line" lang="markdown"><span class="p">-</span> a plane ticket</span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="5519:1-5519:29" dir="auto">Second, we are attracted to a</p> +<blockquote data-sourcepos="5521:1-5524:54" dir="auto"> +<p data-sourcepos="5521:3-5524:54"><a href="@">principle of uniformity</a>: +if a chunk of text has a certain +meaning, it will continue to have the same meaning when put into a +container block (such as a list item or blockquote).</p> +</blockquote> +<p data-sourcepos="5526:1-5527:47" dir="auto">(Indeed, the spec for [list items] and [block quotes] presupposes +this principle.) This principle implies that if</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5529:1-5534:3" lang="markdown" class="code highlight js-syntax-highlight language-markdown" v-pre="true"><code><span id="LC1" class="line" lang="markdown"><span class="p"> *</span> I need to buy</span> +<span id="LC2" class="line" lang="markdown"><span class="p"> -</span> new shoes</span> +<span id="LC3" class="line" lang="markdown"><span class="p"> -</span> a coat</span> +<span id="LC4" class="line" lang="markdown"><span class="p"> -</span> a plane ticket</span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="5536:1-5539:4" dir="auto">is a list item containing a paragraph followed by a nested sublist, +as all Markdown implementations agree it is (though the paragraph +may be rendered without <code><p></code> tags, since the list is "tight"), +then</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5541:1-5546:3" lang="markdown" class="code highlight js-syntax-highlight language-markdown" v-pre="true"><code><span id="LC1" class="line" lang="markdown">I need to buy</span> +<span id="LC2" class="line" lang="markdown"><span class="p">-</span> new shoes</span> +<span id="LC3" class="line" lang="markdown"><span class="p">-</span> a coat</span> +<span id="LC4" class="line" lang="markdown"><span class="p">-</span> a plane ticket</span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="5548:1-5548:61" dir="auto">by itself should be a paragraph followed by a nested sublist.</p> +<p data-sourcepos="5550:1-5555:30" dir="auto">Since it is well established Markdown practice to allow lists to +interrupt paragraphs inside list items, the [principle of +uniformity] requires us to allow this outside list items as +well. (<a href="http://docutils.sourceforge.net/rst.html" rel="nofollow noreferrer noopener" target="_blank">reStructuredText</a> +takes a different approach, requiring blank lines before lists +even inside other list items.)</p> +<p data-sourcepos="5557:1-5559:28" dir="auto">In order to solve of unwanted lists in paragraphs with +hard-wrapped numerals, we allow only lists starting with <code>1</code> to +interrupt paragraphs. Thus,</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5561:1-5564:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">The number of windows in my house is</span> +<span id="LC2" class="line" lang="plaintext">14. The number of doors is 6.</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5566:1-5569:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>The number of windows in my house is</span> +<span id="LC2" class="line" lang="plaintext">14. The number of doors is 6.</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="5571:1-5571:51" dir="auto">We may still get an unintended result in cases like</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5573:1-5576:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">The number of windows in my house is</span> +<span id="LC2" class="line" lang="plaintext">1. The number of doors is 6.</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5578:1-5583:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>The number of windows in my house is</p></span> +<span id="LC2" class="line" lang="plaintext"><ol></span> +<span id="LC3" class="line" lang="plaintext"><li>The number of doors is 6.</li></span> +<span id="LC4" class="line" lang="plaintext"></ol></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="5585:1-5585:57" dir="auto">but this rule should prevent most spurious list captures.</p> +<p data-sourcepos="5587:1-5587:53" dir="auto">There can be any number of blank lines between items:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5589:1-5596:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- foo</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">- bar</span> +<span id="LC4" class="line" lang="plaintext"></span> +<span id="LC5" class="line" lang="plaintext"></span> +<span id="LC6" class="line" lang="plaintext">- baz</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5598:1-5610:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ul></span> +<span id="LC2" class="line" lang="plaintext"><li></span> +<span id="LC3" class="line" lang="plaintext"><p>foo</p></span> +<span id="LC4" class="line" lang="plaintext"></li></span> +<span id="LC5" class="line" lang="plaintext"><li></span> +<span id="LC6" class="line" lang="plaintext"><p>bar</p></span> +<span id="LC7" class="line" lang="plaintext"></li></span> +<span id="LC8" class="line" lang="plaintext"><li></span> +<span id="LC9" class="line" lang="plaintext"><p>baz</p></span> +<span id="LC10" class="line" lang="plaintext"></li></span> +<span id="LC11" class="line" lang="plaintext"></ul></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5612:1-5619:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- foo</span> +<span id="LC2" class="line" lang="plaintext"> - bar</span> +<span id="LC3" class="line" lang="plaintext"> - baz</span> +<span id="LC4" class="line" lang="plaintext"></span> +<span id="LC5" class="line" lang="plaintext"></span> +<span id="LC6" class="line" lang="plaintext"> bim</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5621:1-5636:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ul></span> +<span id="LC2" class="line" lang="plaintext"><li>foo</span> +<span id="LC3" class="line" lang="plaintext"><ul></span> +<span id="LC4" class="line" lang="plaintext"><li>bar</span> +<span id="LC5" class="line" lang="plaintext"><ul></span> +<span id="LC6" class="line" lang="plaintext"><li></span> +<span id="LC7" class="line" lang="plaintext"><p>baz</p></span> +<span id="LC8" class="line" lang="plaintext"><p>bim</p></span> +<span id="LC9" class="line" lang="plaintext"></li></span> +<span id="LC10" class="line" lang="plaintext"></ul></span> +<span id="LC11" class="line" lang="plaintext"></li></span> +<span id="LC12" class="line" lang="plaintext"></ul></span> +<span id="LC13" class="line" lang="plaintext"></li></span> +<span id="LC14" class="line" lang="plaintext"></ul></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="5639:1-5642:8" dir="auto">To separate consecutive lists of the same type, or to separate a +list from an indented code block that would otherwise be parsed +as a subparagraph of the final list item, you can insert a blank HTML +comment:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5644:1-5652:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- foo</span> +<span id="LC2" class="line" lang="plaintext">- bar</span> +<span id="LC3" class="line" lang="plaintext"></span> +<span id="LC4" class="line" lang="plaintext"><!-- --></span> +<span id="LC5" class="line" lang="plaintext"></span> +<span id="LC6" class="line" lang="plaintext">- baz</span> +<span id="LC7" class="line" lang="plaintext">- bim</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5654:1-5664:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ul></span> +<span id="LC2" class="line" lang="plaintext"><li>foo</li></span> +<span id="LC3" class="line" lang="plaintext"><li>bar</li></span> +<span id="LC4" class="line" lang="plaintext"></ul></span> +<span id="LC5" class="line" lang="plaintext"><!-- --></span> +<span id="LC6" class="line" lang="plaintext"><ul></span> +<span id="LC7" class="line" lang="plaintext"><li>baz</li></span> +<span id="LC8" class="line" lang="plaintext"><li>bim</li></span> +<span id="LC9" class="line" lang="plaintext"></ul></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5667:1-5677:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- foo</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext"> notcode</span> +<span id="LC4" class="line" lang="plaintext"></span> +<span id="LC5" class="line" lang="plaintext">- foo</span> +<span id="LC6" class="line" lang="plaintext"></span> +<span id="LC7" class="line" lang="plaintext"><!-- --></span> +<span id="LC8" class="line" lang="plaintext"></span> +<span id="LC9" class="line" lang="plaintext"> code</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5679:1-5692:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ul></span> +<span id="LC2" class="line" lang="plaintext"><li></span> +<span id="LC3" class="line" lang="plaintext"><p>foo</p></span> +<span id="LC4" class="line" lang="plaintext"><p>notcode</p></span> +<span id="LC5" class="line" lang="plaintext"></li></span> +<span id="LC6" class="line" lang="plaintext"><li></span> +<span id="LC7" class="line" lang="plaintext"><p>foo</p></span> +<span id="LC8" class="line" lang="plaintext"></li></span> +<span id="LC9" class="line" lang="plaintext"></ul></span> +<span id="LC10" class="line" lang="plaintext"><!-- --></span> +<span id="LC11" class="line" lang="plaintext"><pre><code>code</span> +<span id="LC12" class="line" lang="plaintext"></code></pre></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="5695:1-5698:5" dir="auto">List items need not be indented to the same level. The following +list items will be treated as items at the same list level, +since none is indented enough to belong to the previous list +item:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5700:1-5708:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- a</span> +<span id="LC2" class="line" lang="plaintext"> - b</span> +<span id="LC3" class="line" lang="plaintext"> - c</span> +<span id="LC4" class="line" lang="plaintext"> - d</span> +<span id="LC5" class="line" lang="plaintext"> - e</span> +<span id="LC6" class="line" lang="plaintext"> - f</span> +<span id="LC7" class="line" lang="plaintext">- g</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5710:1-5720:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ul></span> +<span id="LC2" class="line" lang="plaintext"><li>a</li></span> +<span id="LC3" class="line" lang="plaintext"><li>b</li></span> +<span id="LC4" class="line" lang="plaintext"><li>c</li></span> +<span id="LC5" class="line" lang="plaintext"><li>d</li></span> +<span id="LC6" class="line" lang="plaintext"><li>e</li></span> +<span id="LC7" class="line" lang="plaintext"><li>f</li></span> +<span id="LC8" class="line" lang="plaintext"><li>g</li></span> +<span id="LC9" class="line" lang="plaintext"></ul></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5723:1-5729:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">1. a</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext"> 2. b</span> +<span id="LC4" class="line" lang="plaintext"></span> +<span id="LC5" class="line" lang="plaintext"> 3. c</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5731:1-5743:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ol></span> +<span id="LC2" class="line" lang="plaintext"><li></span> +<span id="LC3" class="line" lang="plaintext"><p>a</p></span> +<span id="LC4" class="line" lang="plaintext"></li></span> +<span id="LC5" class="line" lang="plaintext"><li></span> +<span id="LC6" class="line" lang="plaintext"><p>b</p></span> +<span id="LC7" class="line" lang="plaintext"></li></span> +<span id="LC8" class="line" lang="plaintext"><li></span> +<span id="LC9" class="line" lang="plaintext"><p>c</p></span> +<span id="LC10" class="line" lang="plaintext"></li></span> +<span id="LC11" class="line" lang="plaintext"></ol></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="5745:1-5747:52" dir="auto">Note, however, that list items may not be indented more than +three spaces. Here <code>- e</code> is treated as a paragraph continuation +line, because it is indented more than three spaces:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5749:1-5755:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- a</span> +<span id="LC2" class="line" lang="plaintext"> - b</span> +<span id="LC3" class="line" lang="plaintext"> - c</span> +<span id="LC4" class="line" lang="plaintext"> - d</span> +<span id="LC5" class="line" lang="plaintext"> - e</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5757:1-5765:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ul></span> +<span id="LC2" class="line" lang="plaintext"><li>a</li></span> +<span id="LC3" class="line" lang="plaintext"><li>b</li></span> +<span id="LC4" class="line" lang="plaintext"><li>c</li></span> +<span id="LC5" class="line" lang="plaintext"><li>d</span> +<span id="LC6" class="line" lang="plaintext">- e</li></span> +<span id="LC7" class="line" lang="plaintext"></ul></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="5767:1-5769:11" dir="auto">And here, <code>3. c</code> is treated as in indented code block, +because it is indented four spaces and preceded by a +blank line.</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5771:1-5777:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">1. a</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext"> 2. b</span> +<span id="LC4" class="line" lang="plaintext"></span> +<span id="LC5" class="line" lang="plaintext"> 3. c</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5779:1-5790:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ol></span> +<span id="LC2" class="line" lang="plaintext"><li></span> +<span id="LC3" class="line" lang="plaintext"><p>a</p></span> +<span id="LC4" class="line" lang="plaintext"></li></span> +<span id="LC5" class="line" lang="plaintext"><li></span> +<span id="LC6" class="line" lang="plaintext"><p>b</p></span> +<span id="LC7" class="line" lang="plaintext"></li></span> +<span id="LC8" class="line" lang="plaintext"></ol></span> +<span id="LC9" class="line" lang="plaintext"><pre><code>3. c</span> +<span id="LC10" class="line" lang="plaintext"></code></pre></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="5793:1-5794:22" dir="auto">This is a loose list, because there is a blank line between +two of the list items:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5796:1-5801:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- a</span> +<span id="LC2" class="line" lang="plaintext">- b</span> +<span id="LC3" class="line" lang="plaintext"></span> +<span id="LC4" class="line" lang="plaintext">- c</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5803:1-5815:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ul></span> +<span id="LC2" class="line" lang="plaintext"><li></span> +<span id="LC3" class="line" lang="plaintext"><p>a</p></span> +<span id="LC4" class="line" lang="plaintext"></li></span> +<span id="LC5" class="line" lang="plaintext"><li></span> +<span id="LC6" class="line" lang="plaintext"><p>b</p></span> +<span id="LC7" class="line" lang="plaintext"></li></span> +<span id="LC8" class="line" lang="plaintext"><li></span> +<span id="LC9" class="line" lang="plaintext"><p>c</p></span> +<span id="LC10" class="line" lang="plaintext"></li></span> +<span id="LC11" class="line" lang="plaintext"></ul></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="5818:1-5818:37" dir="auto">So is this, with a empty second item:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5820:1-5825:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">* a</span> +<span id="LC2" class="line" lang="plaintext">*</span> +<span id="LC3" class="line" lang="plaintext"></span> +<span id="LC4" class="line" lang="plaintext">* c</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5827:1-5837:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ul></span> +<span id="LC2" class="line" lang="plaintext"><li></span> +<span id="LC3" class="line" lang="plaintext"><p>a</p></span> +<span id="LC4" class="line" lang="plaintext"></li></span> +<span id="LC5" class="line" lang="plaintext"><li></li></span> +<span id="LC6" class="line" lang="plaintext"><li></span> +<span id="LC7" class="line" lang="plaintext"><p>c</p></span> +<span id="LC8" class="line" lang="plaintext"></li></span> +<span id="LC9" class="line" lang="plaintext"></ul></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="5840:1-5842:31" dir="auto">These are loose lists, even though there is no space between the items, +because one of the items directly contains two block-level elements +with a blank line between them:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5844:1-5850:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- a</span> +<span id="LC2" class="line" lang="plaintext">- b</span> +<span id="LC3" class="line" lang="plaintext"></span> +<span id="LC4" class="line" lang="plaintext"> c</span> +<span id="LC5" class="line" lang="plaintext">- d</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5852:1-5865:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ul></span> +<span id="LC2" class="line" lang="plaintext"><li></span> +<span id="LC3" class="line" lang="plaintext"><p>a</p></span> +<span id="LC4" class="line" lang="plaintext"></li></span> +<span id="LC5" class="line" lang="plaintext"><li></span> +<span id="LC6" class="line" lang="plaintext"><p>b</p></span> +<span id="LC7" class="line" lang="plaintext"><p>c</p></span> +<span id="LC8" class="line" lang="plaintext"></li></span> +<span id="LC9" class="line" lang="plaintext"><li></span> +<span id="LC10" class="line" lang="plaintext"><p>d</p></span> +<span id="LC11" class="line" lang="plaintext"></li></span> +<span id="LC12" class="line" lang="plaintext"></ul></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5868:1-5874:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- a</span> +<span id="LC2" class="line" lang="plaintext">- b</span> +<span id="LC3" class="line" lang="plaintext"></span> +<span id="LC4" class="line" lang="plaintext"> [ref]: /url</span> +<span id="LC5" class="line" lang="plaintext">- d</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5876:1-5888:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ul></span> +<span id="LC2" class="line" lang="plaintext"><li></span> +<span id="LC3" class="line" lang="plaintext"><p>a</p></span> +<span id="LC4" class="line" lang="plaintext"></li></span> +<span id="LC5" class="line" lang="plaintext"><li></span> +<span id="LC6" class="line" lang="plaintext"><p>b</p></span> +<span id="LC7" class="line" lang="plaintext"></li></span> +<span id="LC8" class="line" lang="plaintext"><li></span> +<span id="LC9" class="line" lang="plaintext"><p>d</p></span> +<span id="LC10" class="line" lang="plaintext"></li></span> +<span id="LC11" class="line" lang="plaintext"></ul></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="5891:1-5891:66" dir="auto">This is a tight list, because the blank lines are in a code block:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5893:1-5901:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- a</span> +<span id="LC2" class="line" lang="plaintext">- ```</span> +<span id="LC3" class="line" lang="plaintext"> b</span> +<span id="LC4" class="line" lang="plaintext"></span> +<span id="LC5" class="line" lang="plaintext"></span> +<span id="LC6" class="line" lang="plaintext"> ```</span> +<span id="LC7" class="line" lang="plaintext">- c</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5903:1-5914:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ul></span> +<span id="LC2" class="line" lang="plaintext"><li>a</li></span> +<span id="LC3" class="line" lang="plaintext"><li></span> +<span id="LC4" class="line" lang="plaintext"><pre><code>b</span> +<span id="LC5" class="line" lang="plaintext"></span> +<span id="LC6" class="line" lang="plaintext"></span> +<span id="LC7" class="line" lang="plaintext"></code></pre></span> +<span id="LC8" class="line" lang="plaintext"></li></span> +<span id="LC9" class="line" lang="plaintext"><li>c</li></span> +<span id="LC10" class="line" lang="plaintext"></ul></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="5917:1-5919:24" dir="auto">This is a tight list, because the blank line is between two +paragraphs of a sublist. So the sublist is loose while +the outer list is tight:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5921:1-5927:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- a</span> +<span id="LC2" class="line" lang="plaintext"> - b</span> +<span id="LC3" class="line" lang="plaintext"></span> +<span id="LC4" class="line" lang="plaintext"> c</span> +<span id="LC5" class="line" lang="plaintext">- d</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5929:1-5941:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ul></span> +<span id="LC2" class="line" lang="plaintext"><li>a</span> +<span id="LC3" class="line" lang="plaintext"><ul></span> +<span id="LC4" class="line" lang="plaintext"><li></span> +<span id="LC5" class="line" lang="plaintext"><p>b</p></span> +<span id="LC6" class="line" lang="plaintext"><p>c</p></span> +<span id="LC7" class="line" lang="plaintext"></li></span> +<span id="LC8" class="line" lang="plaintext"></ul></span> +<span id="LC9" class="line" lang="plaintext"></li></span> +<span id="LC10" class="line" lang="plaintext"><li>d</li></span> +<span id="LC11" class="line" lang="plaintext"></ul></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="5944:1-5945:12" dir="auto">This is a tight list, because the blank line is inside the +block quote:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5947:1-5952:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">* a</span> +<span id="LC2" class="line" lang="plaintext"> > b</span> +<span id="LC3" class="line" lang="plaintext"> ></span> +<span id="LC4" class="line" lang="plaintext">* c</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5954:1-5963:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ul></span> +<span id="LC2" class="line" lang="plaintext"><li>a</span> +<span id="LC3" class="line" lang="plaintext"><blockquote></span> +<span id="LC4" class="line" lang="plaintext"><p>b</p></span> +<span id="LC5" class="line" lang="plaintext"></blockquote></span> +<span id="LC6" class="line" lang="plaintext"></li></span> +<span id="LC7" class="line" lang="plaintext"><li>c</li></span> +<span id="LC8" class="line" lang="plaintext"></ul></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="5966:1-5967:33" dir="auto">This list is tight, because the consecutive block elements +are not separated by blank lines:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5969:1-5976:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- a</span> +<span id="LC2" class="line" lang="plaintext"> > b</span> +<span id="LC3" class="line" lang="plaintext"> ```</span> +<span id="LC4" class="line" lang="plaintext"> c</span> +<span id="LC5" class="line" lang="plaintext"> ```</span> +<span id="LC6" class="line" lang="plaintext">- d</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5978:1-5989:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ul></span> +<span id="LC2" class="line" lang="plaintext"><li>a</span> +<span id="LC3" class="line" lang="plaintext"><blockquote></span> +<span id="LC4" class="line" lang="plaintext"><p>b</p></span> +<span id="LC5" class="line" lang="plaintext"></blockquote></span> +<span id="LC6" class="line" lang="plaintext"><pre><code>c</span> +<span id="LC7" class="line" lang="plaintext"></code></pre></span> +<span id="LC8" class="line" lang="plaintext"></li></span> +<span id="LC9" class="line" lang="plaintext"><li>d</li></span> +<span id="LC10" class="line" lang="plaintext"></ul></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="5992:1-5992:33" dir="auto">A single-paragraph list is tight:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5994:1-5996:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- a</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="5998:1-6002:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ul></span> +<span id="LC2" class="line" lang="plaintext"><li>a</li></span> +<span id="LC3" class="line" lang="plaintext"></ul></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6005:1-6008:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- a</span> +<span id="LC2" class="line" lang="plaintext"> - b</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6010:1-6018:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ul></span> +<span id="LC2" class="line" lang="plaintext"><li>a</span> +<span id="LC3" class="line" lang="plaintext"><ul></span> +<span id="LC4" class="line" lang="plaintext"><li>b</li></span> +<span id="LC5" class="line" lang="plaintext"></ul></span> +<span id="LC6" class="line" lang="plaintext"></li></span> +<span id="LC7" class="line" lang="plaintext"></ul></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="6021:1-6022:36" dir="auto">This list is loose, because of the blank line between the +two block elements in the list item:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6024:1-6030:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">1. ```</span> +<span id="LC2" class="line" lang="plaintext"> foo</span> +<span id="LC3" class="line" lang="plaintext"> ```</span> +<span id="LC4" class="line" lang="plaintext"></span> +<span id="LC5" class="line" lang="plaintext"> bar</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6032:1-6040:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ol></span> +<span id="LC2" class="line" lang="plaintext"><li></span> +<span id="LC3" class="line" lang="plaintext"><pre><code>foo</span> +<span id="LC4" class="line" lang="plaintext"></code></pre></span> +<span id="LC5" class="line" lang="plaintext"><p>bar</p></span> +<span id="LC6" class="line" lang="plaintext"></li></span> +<span id="LC7" class="line" lang="plaintext"></ol></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="6043:1-6043:51" dir="auto">Here the outer list is loose, the inner list tight:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6045:1-6050:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">* foo</span> +<span id="LC2" class="line" lang="plaintext"> * bar</span> +<span id="LC3" class="line" lang="plaintext"></span> +<span id="LC4" class="line" lang="plaintext"> baz</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6052:1-6062:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ul></span> +<span id="LC2" class="line" lang="plaintext"><li></span> +<span id="LC3" class="line" lang="plaintext"><p>foo</p></span> +<span id="LC4" class="line" lang="plaintext"><ul></span> +<span id="LC5" class="line" lang="plaintext"><li>bar</li></span> +<span id="LC6" class="line" lang="plaintext"></ul></span> +<span id="LC7" class="line" lang="plaintext"><p>baz</p></span> +<span id="LC8" class="line" lang="plaintext"></li></span> +<span id="LC9" class="line" lang="plaintext"></ul></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6065:1-6073:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- a</span> +<span id="LC2" class="line" lang="plaintext"> - b</span> +<span id="LC3" class="line" lang="plaintext"> - c</span> +<span id="LC4" class="line" lang="plaintext"></span> +<span id="LC5" class="line" lang="plaintext">- d</span> +<span id="LC6" class="line" lang="plaintext"> - e</span> +<span id="LC7" class="line" lang="plaintext"> - f</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6075:1-6092:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ul></span> +<span id="LC2" class="line" lang="plaintext"><li></span> +<span id="LC3" class="line" lang="plaintext"><p>a</p></span> +<span id="LC4" class="line" lang="plaintext"><ul></span> +<span id="LC5" class="line" lang="plaintext"><li>b</li></span> +<span id="LC6" class="line" lang="plaintext"><li>c</li></span> +<span id="LC7" class="line" lang="plaintext"></ul></span> +<span id="LC8" class="line" lang="plaintext"></li></span> +<span id="LC9" class="line" lang="plaintext"><li></span> +<span id="LC10" class="line" lang="plaintext"><p>d</p></span> +<span id="LC11" class="line" lang="plaintext"><ul></span> +<span id="LC12" class="line" lang="plaintext"><li>e</li></span> +<span id="LC13" class="line" lang="plaintext"><li>f</li></span> +<span id="LC14" class="line" lang="plaintext"></ul></span> +<span id="LC15" class="line" lang="plaintext"></li></span> +<span id="LC16" class="line" lang="plaintext"></ul></span></code></pre> +<copy-code></copy-code> +</div> +<h1 data-sourcepos="6095:1-6095:9" dir="auto"> +<a id="user-content-inlines" class="anchor" href="#inlines" aria-hidden="true"></a>Inlines</h1> +<p data-sourcepos="6097:1-6099:21" dir="auto">Inlines are parsed sequentially from the beginning of the character +stream to the end (left to right, in left-to-right languages). +Thus, for example, in</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6101:1-6103:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">`hi`lo`</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6105:1-6107:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><code>hi</code>lo`</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="6109:1-6110:9" dir="auto"><code>hi</code> is parsed as code, leaving the backtick at the end as a literal +backtick.</p> +<h2 data-sourcepos="6113:1-6113:20" dir="auto"> +<a id="user-content-backslash-escapes" class="anchor" href="#backslash-escapes" aria-hidden="true"></a>Backslash escapes</h2> +<p data-sourcepos="6115:1-6115:57" dir="auto">Any ASCII punctuation character may be backslash-escaped:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6117:1-6119:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">\!\"\#\$\%\&\'\(\)\*\+\,\-\.\/\:\;\<\=\>\?\@\[\\\]\^\_\`\{\|\}\~</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6121:1-6123:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>!&quot;#$%&amp;'()*+,-./:;&lt;=&gt;?@[\]^_`{|}~</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="6126:1-6127:12" dir="auto">Backslashes before other characters are treated as literal +backslashes:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6129:1-6131:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">\→\A\a\ \3\φ\«</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6133:1-6135:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>\→\A\a\ \3\φ\«</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="6138:1-6139:39" dir="auto">Escaped characters are treated as regular characters and do +not have their usual Markdown meanings:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6141:1-6151:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">\*not emphasized*</span> +<span id="LC2" class="line" lang="plaintext">\<br/> not a tag</span> +<span id="LC3" class="line" lang="plaintext">\[not a link](/foo)</span> +<span id="LC4" class="line" lang="plaintext">\`not code`</span> +<span id="LC5" class="line" lang="plaintext">1\. not a list</span> +<span id="LC6" class="line" lang="plaintext">\* not a list</span> +<span id="LC7" class="line" lang="plaintext">\# not a heading</span> +<span id="LC8" class="line" lang="plaintext">\[foo]: /url "not a reference"</span> +<span id="LC9" class="line" lang="plaintext">\&ouml; not a character entity</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6153:1-6163:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>*not emphasized*</span> +<span id="LC2" class="line" lang="plaintext">&lt;br/&gt; not a tag</span> +<span id="LC3" class="line" lang="plaintext">[not a link](/foo)</span> +<span id="LC4" class="line" lang="plaintext">`not code`</span> +<span id="LC5" class="line" lang="plaintext">1. not a list</span> +<span id="LC6" class="line" lang="plaintext">* not a list</span> +<span id="LC7" class="line" lang="plaintext"># not a heading</span> +<span id="LC8" class="line" lang="plaintext">[foo]: /url &quot;not a reference&quot;</span> +<span id="LC9" class="line" lang="plaintext">&amp;ouml; not a character entity</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="6166:1-6166:65" dir="auto">If a backslash is itself escaped, the following character is not:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6168:1-6170:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">\\*emphasis*</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6172:1-6174:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>\<em>emphasis</em></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="6177:1-6177:58" dir="auto">A backslash at the end of the line is a [hard line break]:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6179:1-6182:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo\</span> +<span id="LC2" class="line" lang="plaintext">bar</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6184:1-6187:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>foo<br /></span> +<span id="LC2" class="line" lang="plaintext">bar</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="6190:1-6191:9" dir="auto">Backslash escapes do not work in code blocks, code spans, autolinks, or +raw HTML:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6193:1-6195:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">`` \[\` ``</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6197:1-6199:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><code>\[\`</code></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6202:1-6204:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> \[\]</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6206:1-6209:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><pre><code>\[\]</span> +<span id="LC2" class="line" lang="plaintext"></code></pre></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6212:1-6216:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">~~~</span> +<span id="LC2" class="line" lang="plaintext">\[\]</span> +<span id="LC3" class="line" lang="plaintext">~~~</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6218:1-6221:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><pre><code>\[\]</span> +<span id="LC2" class="line" lang="plaintext"></code></pre></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6224:1-6226:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><http://example.com?find=\*></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6228:1-6230:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="http://example.com?find=%5C*">http://example.com?find=\*</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6233:1-6235:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><a href="/bar\/)"></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6237:1-6239:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><a href="/bar\/)"></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="6242:1-6243:60" dir="auto">But they work in all other contexts, including URLs and link titles, +link references, and [info strings] in [fenced code blocks]:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6245:1-6247:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo](/bar\* "ti\*tle")</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6249:1-6251:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="/bar*" title="ti*tle">foo</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6254:1-6258:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo]</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">[foo]: /bar\* "ti\*tle"</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6260:1-6262:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="/bar*" title="ti*tle">foo</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6265:1-6269:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">``` foo\+bar</span> +<span id="LC2" class="line" lang="plaintext">foo</span> +<span id="LC3" class="line" lang="plaintext">```</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6271:1-6274:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><pre><code class="language-foo+bar">foo</span> +<span id="LC2" class="line" lang="plaintext"></code></pre></span></code></pre> +<copy-code></copy-code> +</div> +<h2 data-sourcepos="6278:1-6278:42" dir="auto"> +<a id="user-content-entity-and-numeric-character-references" class="anchor" href="#entity-and-numeric-character-references" aria-hidden="true"></a>Entity and numeric character references</h2> +<p data-sourcepos="6280:1-6282:30" dir="auto">Valid HTML entity references and numeric character references +can be used in place of the corresponding Unicode character, +with the following exceptions:</p> +<ul data-sourcepos="6284:1-6293:0" dir="auto"> +<li data-sourcepos="6284:1-6286:0"> +<p data-sourcepos="6284:3-6285:24">Entity and character references are not recognized in code +blocks and code spans.</p> +</li> +<li data-sourcepos="6287:1-6293:0"> +<p data-sourcepos="6287:3-6292:9">Entity and character references cannot stand in place of +special characters that define structural elements in +CommonMark. For example, although <code>&#42;</code> can be used +in place of a literal <code>*</code> character, <code>&#42;</code> cannot replace +<code>*</code> in emphasis delimiters, bullet list markers, or thematic +breaks.</p> +</li> +</ul> +<p data-sourcepos="6294:1-6296:49" dir="auto">Conforming CommonMark parsers need not store information about +whether a particular character was represented in the source +using a Unicode character or an entity reference.</p> +<p data-sourcepos="6298:1-6302:47" dir="auto"><a href="@">Entity references</a> consist of <code>&</code> + any of the valid +HTML5 entity names + <code>;</code>. The +document <a href="https://html.spec.whatwg.org/multipage/entities.json" rel="nofollow noreferrer noopener" target="_blank">https://html.spec.whatwg.org/multipage/entities.json</a> +is used as an authoritative source for the valid entity +references and their corresponding code points.</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6304:1-6308:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">&nbsp; &amp; &copy; &AElig; &Dcaron;</span> +<span id="LC2" class="line" lang="plaintext">&frac34; &HilbertSpace; &DifferentialD;</span> +<span id="LC3" class="line" lang="plaintext">&ClockwiseContourIntegral; &ngE;</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6310:1-6314:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p> &amp; © Æ Ď</span> +<span id="LC2" class="line" lang="plaintext">¾ ℋ ⅆ</span> +<span id="LC3" class="line" lang="plaintext">∲ ≧̸</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="6317:1-6323:58" dir="auto"><a href="@">Decimal numeric character +references</a> +consist of <code>&#</code> + a string of 1--7 arabic digits + <code>;</code>. A +numeric character reference is parsed as the corresponding +Unicode character. Invalid Unicode code points will be replaced by +the REPLACEMENT CHARACTER (<code>U+FFFD</code>). For security reasons, +the code point <code>U+0000</code> will also be replaced by <code>U+FFFD</code>.</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6325:1-6327:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">&#35; &#1234; &#992; &#0;</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6329:1-6331:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p># Ӓ Ϡ �</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="6334:1-6338:62" dir="auto"><a href="@">Hexadecimal numeric character +references</a> consist of <code>&#</code> + +either <code>X</code> or <code>x</code> + a string of 1-6 hexadecimal digits + <code>;</code>. +They too are parsed as the corresponding Unicode character (this +time specified with a hexadecimal numeral instead of decimal).</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6340:1-6342:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">&#X22; &#XD06; &#xcab;</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6344:1-6346:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>&quot; ആ ಫ</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="6349:1-6349:26" dir="auto">Here are some nonentities:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6351:1-6356:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">&nbsp &x; &#; &#x;</span> +<span id="LC2" class="line" lang="plaintext">&#987654321;</span> +<span id="LC3" class="line" lang="plaintext">&#abcdef0;</span> +<span id="LC4" class="line" lang="plaintext">&ThisIsNotDefined; &hi?;</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6358:1-6363:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>&amp;nbsp &amp;x; &amp;#; &amp;#x;</span> +<span id="LC2" class="line" lang="plaintext">&amp;#987654321;</span> +<span id="LC3" class="line" lang="plaintext">&amp;#abcdef0;</span> +<span id="LC4" class="line" lang="plaintext">&amp;ThisIsNotDefined; &amp;hi?;</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="6366:1-6368:60" dir="auto">Although HTML5 does accept some entity references +without a trailing semicolon (such as <code>&copy</code>), these are not +recognized here, because it makes the grammar too ambiguous:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6370:1-6372:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">&copy</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6374:1-6376:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>&amp;copy</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="6379:1-6380:39" dir="auto">Strings that are not on the list of HTML5 named entities are not +recognized as entity references either:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6382:1-6384:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">&MadeUpEntity;</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6386:1-6388:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>&amp;MadeUpEntity;</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="6391:1-6393:62" dir="auto">Entity and numeric character references are recognized in any +context besides code spans or code blocks, including +URLs, [link titles], and [fenced code block][] [info strings]:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6395:1-6397:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><a href="&ouml;&ouml;.html"></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6399:1-6401:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><a href="&ouml;&ouml;.html"></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6404:1-6406:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo](/f&ouml;&ouml; "f&ouml;&ouml;")</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6408:1-6410:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="/f%C3%B6%C3%B6" title="föö">foo</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6413:1-6417:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo]</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">[foo]: /f&ouml;&ouml; "f&ouml;&ouml;"</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6419:1-6421:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="/f%C3%B6%C3%B6" title="föö">foo</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6424:1-6428:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">``` f&ouml;&ouml;</span> +<span id="LC2" class="line" lang="plaintext">foo</span> +<span id="LC3" class="line" lang="plaintext">```</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6430:1-6433:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><pre><code class="language-föö">foo</span> +<span id="LC2" class="line" lang="plaintext"></code></pre></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="6436:1-6437:35" dir="auto">Entity and numeric character references are treated as literal +text in code spans and code blocks:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6439:1-6441:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">`f&ouml;&ouml;`</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6443:1-6445:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><code>f&amp;ouml;&amp;ouml;</code></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6448:1-6450:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> f&ouml;f&ouml;</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6452:1-6455:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><pre><code>f&amp;ouml;f&amp;ouml;</span> +<span id="LC2" class="line" lang="plaintext"></code></pre></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="6458:1-6460:10" dir="auto">Entity and numeric character references cannot be used +in place of symbols indicating structure in CommonMark +documents.</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6462:1-6465:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">&#42;foo&#42;</span> +<span id="LC2" class="line" lang="plaintext">*foo*</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6467:1-6470:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>*foo*</span> +<span id="LC2" class="line" lang="plaintext"><em>foo</em></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6472:1-6476:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">&#42; foo</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">* foo</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6478:1-6483:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>* foo</p></span> +<span id="LC2" class="line" lang="plaintext"><ul></span> +<span id="LC3" class="line" lang="plaintext"><li>foo</li></span> +<span id="LC4" class="line" lang="plaintext"></ul></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6485:1-6487:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo&#10;&#10;bar</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6489:1-6493:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>foo</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">bar</p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6495:1-6497:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">&#9;foo</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6499:1-6501:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>→foo</p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6504:1-6506:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[a](url &quot;tit&quot;)</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6508:1-6510:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>[a](url &quot;tit&quot;)</p></span></code></pre> +<copy-code></copy-code> +</div> +<h2 data-sourcepos="6513:1-6513:13" dir="auto"> +<a id="user-content-code-spans" class="anchor" href="#code-spans" aria-hidden="true"></a>Code spans</h2> +<p data-sourcepos="6515:1-6517:36" dir="auto">A <a href="@">backtick string</a> +is a string of one or more backtick characters (<code>`</code>) that is neither +preceded nor followed by a backtick.</p> +<p data-sourcepos="6519:1-6522:15" dir="auto">A <a href="@">code span</a> begins with a backtick string and ends with +a backtick string of equal length. The contents of the code span are +the characters between the two backtick strings, normalized in the +following ways:</p> +<ul data-sourcepos="6524:1-6531:0" dir="auto"> +<li data-sourcepos="6524:1-6524:50">First, [line endings] are converted to [spaces].</li> +<li data-sourcepos="6525:1-6531:0">If the resulting string both begins <em>and</em> ends with a [space] +character, but does not consist entirely of [space] +characters, a single [space] character is removed from the +front and back. This allows you to include code that begins +or ends with backtick characters, which must be separated by +whitespace from the opening or closing backtick strings.</li> +</ul> +<p data-sourcepos="6532:1-6532:27" dir="auto">This is a simple code span:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6534:1-6536:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">`foo`</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6538:1-6540:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><code>foo</code></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="6543:1-6545:15" dir="auto">Here two backticks are used, because the code contains a backtick. +This example also illustrates stripping of a single leading and +trailing space:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6547:1-6549:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">`` foo ` bar ``</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6551:1-6553:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><code>foo ` bar</code></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="6556:1-6557:7" dir="auto">This example shows the motivation for stripping leading and trailing +spaces:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6559:1-6561:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">` `` `</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6563:1-6565:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><code>``</code></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="6567:1-6567:39" dir="auto">Note that only <em>one</em> space is stripped:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6569:1-6571:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">` `` `</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6573:1-6575:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><code> `` </code></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="6577:1-6578:20" dir="auto">The stripping only happens if the space is on both +sides of the string:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6580:1-6582:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">` a`</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6584:1-6586:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><code> a</code></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="6588:1-6589:21" dir="auto">Only [spaces], and not [unicode whitespace] in general, are +stripped in this way:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6591:1-6593:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">` b `</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6595:1-6597:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><code> b </code></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="6599:1-6599:58" dir="auto">No stripping occurs if the code span contains only spaces:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6601:1-6604:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">` `</span> +<span id="LC2" class="line" lang="plaintext">` `</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6606:1-6609:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><code> </code></span> +<span id="LC2" class="line" lang="plaintext"><code> </code></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="6612:1-6612:39" dir="auto">[Line endings] are treated like spaces:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6614:1-6620:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">``</span> +<span id="LC2" class="line" lang="plaintext">foo</span> +<span id="LC3" class="line" lang="plaintext">bar </span> +<span id="LC4" class="line" lang="plaintext">baz</span> +<span id="LC5" class="line" lang="plaintext">``</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6622:1-6624:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><code>foo bar baz</code></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6626:1-6630:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">``</span> +<span id="LC2" class="line" lang="plaintext">foo </span> +<span id="LC3" class="line" lang="plaintext">``</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6632:1-6634:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><code>foo </code></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="6637:1-6637:34" dir="auto">Interior spaces are not collapsed:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6639:1-6642:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">`foo bar </span> +<span id="LC2" class="line" lang="plaintext">baz`</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6644:1-6646:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><code>foo bar baz</code></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="6648:1-6650:26" dir="auto">Note that browsers will typically collapse consecutive spaces +when rendering <code><code></code> elements, so it is recommended that +the following CSS be used:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6652:5-6654:0" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">code{white-space: pre-wrap;}</span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="6655:1-6656:22" dir="auto">Note that backslash escapes do not work in code spans. All backslashes +are treated literally:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6658:1-6660:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">`foo\`bar`</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6662:1-6664:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><code>foo\</code>bar`</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="6667:1-6669:59" dir="auto">Backslash escapes are never needed, because one can always choose a +string of <em>n</em> backtick characters as delimiters, where the code does +not contain any strings of exactly <em>n</em> backtick characters.</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6671:1-6673:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">``foo`bar``</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6675:1-6677:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><code>foo`bar</code></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6679:1-6681:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">` foo `` bar `</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6683:1-6685:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><code>foo `` bar</code></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="6688:1-6691:5" dir="auto">Code span backticks have higher precedence than any other inline +constructs except HTML tags and autolinks. Thus, for example, this is +not parsed as emphasized text, since the second <code>*</code> is part of a code +span:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6693:1-6695:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">*foo`*`</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6697:1-6699:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>*foo<code>*</code></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="6702:1-6702:33" dir="auto">And this is not parsed as a link:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6704:1-6706:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[not a `link](/foo`)</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6708:1-6710:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>[not a <code>link](/foo</code>)</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="6713:1-6714:19" dir="auto">Code spans, HTML tags, and autolinks have the same precedence. +Thus, this is code:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6716:1-6718:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">`<a href="`">`</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6720:1-6722:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><code>&lt;a href=&quot;</code>&quot;&gt;`</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="6725:1-6725:24" dir="auto">But this is an HTML tag:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6727:1-6729:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><a href="`">`</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6731:1-6733:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="`">`</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="6736:1-6736:17" dir="auto">And this is code:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6738:1-6740:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">`<http://foo.bar.`baz>`</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6742:1-6744:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><code>&lt;http://foo.bar.</code>baz&gt;`</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="6747:1-6747:24" dir="auto">But this is an autolink:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6749:1-6751:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><http://foo.bar.`baz>`</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6753:1-6755:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="http://foo.bar.%60baz">http://foo.bar.`baz</a>`</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="6758:1-6759:31" dir="auto">When a backtick string is not closed by a matching backtick string, +we just have literal backticks:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6761:1-6763:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">```foo``</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6765:1-6767:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>```foo``</p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6770:1-6772:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">`foo</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6774:1-6776:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>`foo</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="6778:1-6779:47" dir="auto">The following case also illustrates the need for opening and +closing backtick strings to be equal in length:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6781:1-6783:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">`foo``bar``</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6785:1-6787:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>`foo<code>bar</code></p></span></code></pre> +<copy-code></copy-code> +</div> +<h2 data-sourcepos="6790:1-6790:31" dir="auto"> +<a id="user-content-emphasis-and-strong-emphasis" class="anchor" href="#emphasis-and-strong-emphasis" aria-hidden="true"></a>Emphasis and strong emphasis</h2> +<p data-sourcepos="6792:1-6793:73" dir="auto">John Gruber's original <a href="http://daringfireball.net/projects/markdown/syntax#em" rel="nofollow noreferrer noopener" target="_blank">Markdown syntax +description</a> says:</p> +<blockquote data-sourcepos="6795:1-6798:6" dir="auto"> +<p data-sourcepos="6795:3-6798:6">Markdown treats asterisks (<code>*</code>) and underscores (<code>_</code>) as indicators of +emphasis. Text wrapped with one <code>*</code> or <code>_</code> will be wrapped with an HTML +<code><em></code> tag; double <code>*</code>'s or <code>_</code>'s will be wrapped with an HTML <code><strong></code> +tag.</p> +</blockquote> +<p data-sourcepos="6800:1-6804:57" dir="auto">This is enough for most users, but these rules leave much undecided, +especially when it comes to nested emphasis. The original +<code>Markdown.pl</code> test suite makes it clear that triple <code>***</code> and +<code>___</code> delimiters can be used for strong emphasis, and most +implementations have also allowed the following patterns:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6806:1-6812:3" lang="markdown" class="code highlight js-syntax-highlight language-markdown" v-pre="true"><code><span id="LC1" class="line" lang="markdown"><span class="gs">***strong emph**</span><span class="err">*</span></span> +<span id="LC2" class="line" lang="markdown"><span class="gs">***strong**</span> in emph<span class="err">*</span></span> +<span id="LC3" class="line" lang="markdown"><span class="gs">***emph* in strong**</span></span> +<span id="LC4" class="line" lang="markdown"><span class="gs">**in strong *emph**</span><span class="err">*</span></span> +<span id="LC5" class="line" lang="markdown"><span class="ge">*in emph **strong***</span></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="6814:1-6816:9" dir="auto">The following patterns are less widely supported, but the intent +is clear and they are useful (especially in contexts like bibliography +entries):</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6818:1-6821:3" lang="markdown" class="code highlight js-syntax-highlight language-markdown" v-pre="true"><code><span id="LC1" class="line" lang="markdown"><span class="ge">*emph *</span>with emph<span class="ge">* in it*</span></span> +<span id="LC2" class="line" lang="markdown"><span class="gs">**strong **</span>with strong<span class="gs">** in it**</span></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="6823:1-6826:31" dir="auto">Many implementations have also restricted intraword emphasis to +the <code>*</code> forms, to avoid unwanted emphasis in words containing +internal underscores. (It is best practice to put these in code +spans, but users often do not.)</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6828:1-6831:3" lang="markdown" class="code highlight js-syntax-highlight language-markdown" v-pre="true"><code><span id="LC1" class="line" lang="markdown">internal emphasis: foo<span class="ge">*bar*</span>baz</span> +<span id="LC2" class="line" lang="markdown">no emphasis: foo_bar_baz</span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="6833:1-6834:55" dir="auto">The rules given below capture all of these patterns, while allowing +for efficient parsing strategies that do not backtrack.</p> +<p data-sourcepos="6836:1-6840:38" dir="auto">First, some definitions. A <a href="@">delimiter run</a> is either +a sequence of one or more <code>*</code> characters that is not preceded or +followed by a non-backslash-escaped <code>*</code> character, or a sequence +of one or more <code>_</code> characters that is not preceded or followed by +a non-backslash-escaped <code>_</code> character.</p> +<p data-sourcepos="6842:1-6848:37" dir="auto">A <a href="@">left-flanking delimiter run</a> is +a [delimiter run] that is (1) not followed by [Unicode whitespace], +and either (2a) not followed by a [punctuation character], or +(2b) followed by a [punctuation character] and +preceded by [Unicode whitespace] or a [punctuation character]. +For purposes of this definition, the beginning and the end of +the line count as Unicode whitespace.</p> +<p data-sourcepos="6850:1-6856:37" dir="auto">A <a href="@">right-flanking delimiter run</a> is +a [delimiter run] that is (1) not preceded by [Unicode whitespace], +and either (2a) not preceded by a [punctuation character], or +(2b) preceded by a [punctuation character] and +followed by [Unicode whitespace] or a [punctuation character]. +For purposes of this definition, the beginning and the end of +the line count as Unicode whitespace.</p> +<p data-sourcepos="6858:1-6858:41" dir="auto">Here are some examples of delimiter runs.</p> +<ul data-sourcepos="6860:3-6891:0" dir="auto"> +<li data-sourcepos="6860:3-6868:0"> +<p data-sourcepos="6860:5-6860:41">left-flanking but not right-flanking:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6862:5-6867:7" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">***abc</span> +<span id="LC2" class="line" lang="plaintext"> _abc</span> +<span id="LC3" class="line" lang="plaintext">**"abc"</span> +<span id="LC4" class="line" lang="plaintext"> _"abc"</span></code></pre> +<copy-code></copy-code> +</div> +</li> +<li data-sourcepos="6869:3-6877:0"> +<p data-sourcepos="6869:5-6869:41">right-flanking but not left-flanking:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6871:5-6876:7" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> abc***</span> +<span id="LC2" class="line" lang="plaintext"> abc_</span> +<span id="LC3" class="line" lang="plaintext">"abc"**</span> +<span id="LC4" class="line" lang="plaintext">"abc"_</span></code></pre> +<copy-code></copy-code> +</div> +</li> +<li data-sourcepos="6878:3-6884:0"> +<p data-sourcepos="6878:5-6878:33">Both left and right-flanking:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6880:5-6883:7" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> abc***def</span> +<span id="LC2" class="line" lang="plaintext">"abc"_"def"</span></code></pre> +<copy-code></copy-code> +</div> +</li> +<li data-sourcepos="6885:3-6891:0"> +<p data-sourcepos="6885:5-6885:36">Neither left nor right-flanking:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="6887:5-6890:7" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">abc *** def</span> +<span id="LC2" class="line" lang="plaintext">a _ b</span></code></pre> +<copy-code></copy-code> +</div> +</li> +</ul> +<p data-sourcepos="6892:1-6898:49" dir="auto">(The idea of distinguishing left-flanking and right-flanking +delimiter runs based on the character before and the character +after comes from Roopesh Chander's +<a href="http://www.vfmd.org/vfmd-spec/specification/#procedure-for-identifying-emphasis-tags" rel="nofollow noreferrer noopener" target="_blank">vfmd</a>. +vfmd uses the terminology "emphasis indicator string" instead of "delimiter +run," and its rules for distinguishing left- and right-flanking runs +are a bit more complex than the ones given here.)</p> +<p data-sourcepos="6900:1-6900:56" dir="auto">The following rules define emphasis and strong emphasis:</p> +<ol data-sourcepos="6902:1-6966:0" dir="auto"> +<li data-sourcepos="6902:1-6904:0"> +<p data-sourcepos="6902:5-6903:71">A single <code>*</code> character <a href="@">can open emphasis</a> +iff (if and only if) it is part of a [left-flanking delimiter run].</p> +</li> +<li data-sourcepos="6905:1-6910:0"> +<p data-sourcepos="6905:5-6909:28">A single <code>_</code> character [can open emphasis] iff +it is part of a [left-flanking delimiter run] +and either (a) not part of a [right-flanking delimiter run] +or (b) part of a [right-flanking delimiter run] +preceded by punctuation.</p> +</li> +<li data-sourcepos="6911:1-6913:0"> +<p data-sourcepos="6911:5-6912:55">A single <code>*</code> character <a href="@">can close emphasis</a> +iff it is part of a [right-flanking delimiter run].</p> +</li> +<li data-sourcepos="6914:1-6919:0"> +<p data-sourcepos="6914:5-6918:28">A single <code>_</code> character [can close emphasis] iff +it is part of a [right-flanking delimiter run] +and either (a) not part of a [left-flanking delimiter run] +or (b) part of a [left-flanking delimiter run] +followed by punctuation.</p> +</li> +<li data-sourcepos="6920:1-6922:0"> +<p data-sourcepos="6920:5-6921:54">A double <code>**</code> <a href="@">can open strong emphasis</a> +iff it is part of a [left-flanking delimiter run].</p> +</li> +<li data-sourcepos="6923:1-6928:0"> +<p data-sourcepos="6923:5-6927:28">A double <code>__</code> [can open strong emphasis] iff +it is part of a [left-flanking delimiter run] +and either (a) not part of a [right-flanking delimiter run] +or (b) part of a [right-flanking delimiter run] +preceded by punctuation.</p> +</li> +<li data-sourcepos="6929:1-6931:0"> +<p data-sourcepos="6929:5-6930:55">A double <code>**</code> <a href="@">can close strong emphasis</a> +iff it is part of a [right-flanking delimiter run].</p> +</li> +<li data-sourcepos="6932:1-6937:0"> +<p data-sourcepos="6932:5-6936:28">A double <code>__</code> [can close strong emphasis] iff +it is part of a [right-flanking delimiter run] +and either (a) not part of a [left-flanking delimiter run] +or (b) part of a [left-flanking delimiter run] +followed by punctuation.</p> +</li> +<li data-sourcepos="6938:1-6947:0"> +<p data-sourcepos="6938:5-6946:19">Emphasis begins with a delimiter that [can open emphasis] and ends +with a delimiter that [can close emphasis], and that uses the same +character (<code>_</code> or <code>*</code>) as the opening delimiter. The +opening and closing delimiters must belong to separate +[delimiter runs]. If one of the delimiters can both +open and close emphasis, then the sum of the lengths of the +delimiter runs containing the opening and closing delimiters +must not be a multiple of 3 unless both lengths are +multiples of 3.</p> +</li> +<li data-sourcepos="6948:1-6958:0"> +<p data-sourcepos="6948:5-6957:23">Strong emphasis begins with a delimiter that +[can open strong emphasis] and ends with a delimiter that +[can close strong emphasis], and that uses the same character +(<code>_</code> or <code>*</code>) as the opening delimiter. The +opening and closing delimiters must belong to separate +[delimiter runs]. If one of the delimiters can both open +and close strong emphasis, then the sum of the lengths of +the delimiter runs containing the opening and closing +delimiters must not be a multiple of 3 unless both lengths +are multiples of 3.</p> +</li> +<li data-sourcepos="6959:1-6962:0"> +<p data-sourcepos="6959:5-6961:25">A literal <code>*</code> character cannot occur at the beginning or end of +<code>*</code>-delimited emphasis or <code>**</code>-delimited strong emphasis, unless it +is backslash-escaped.</p> +</li> +<li data-sourcepos="6963:1-6966:0"> +<p data-sourcepos="6963:5-6965:25">A literal <code>_</code> character cannot occur at the beginning or end of +<code>_</code>-delimited emphasis or <code>__</code>-delimited strong emphasis, unless it +is backslash-escaped.</p> +</li> +</ol> +<p data-sourcepos="6967:1-6968:43" dir="auto">Where rules 1--12 above are compatible with multiple parsings, +the following principles resolve ambiguity:</p> +<ol start="13" data-sourcepos="6970:1-6995:0" dir="auto"> +<li data-sourcepos="6970:1-6973:0"> +<p data-sourcepos="6970:5-6972:28">The number of nestings should be minimized. Thus, for example, +an interpretation <code><strong>...</strong></code> is always preferred to +<code><em><em>...</em></em></code>.</p> +</li> +<li data-sourcepos="6974:1-6976:0"> +<p data-sourcepos="6974:5-6975:49">An interpretation <code><em><strong>...</strong></em></code> is always +preferred to <code><strong><em>...</em></strong></code>.</p> +</li> +<li data-sourcepos="6977:1-6982:0"> +<p data-sourcepos="6977:5-6981:34">When two potential emphasis or strong emphasis spans overlap, +so that the second begins before the first ends and ends after +the first ends, the first takes precedence. Thus, for example, +<code>*foo _bar* baz_</code> is parsed as <code><em>foo _bar</em> baz_</code> rather +than <code>*foo <em>bar* baz</em></code>.</p> +</li> +<li data-sourcepos="6983:1-6988:0"> +<p data-sourcepos="6983:5-6987:49">When there are two potential emphasis or strong emphasis spans +with the same closing delimiter, the shorter one (the one that +opens later) takes precedence. Thus, for example, +<code>**foo **bar baz**</code> is parsed as <code>**foo <strong>bar baz</strong></code> +rather than <code><strong>foo **bar baz</strong></code>.</p> +</li> +<li data-sourcepos="6989:1-6995:0"> +<p data-sourcepos="6989:5-6994:26">Inline code spans, links, images, and HTML tags group more tightly +than emphasis. So, when there is a choice between an interpretation +that contains one of these elements and one that does not, the +former always wins. Thus, for example, <code>*[foo*](bar)</code> is +parsed as <code>*<a href="bar">foo*</a></code> rather than as +<code><em>[foo</em>](bar)</code>.</p> +</li> +</ol> +<p data-sourcepos="6996:1-6996:60" dir="auto">These rules can be illustrated through a series of examples.</p> +<p data-sourcepos="6998:1-6998:7" dir="auto">Rule 1:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7000:1-7002:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">*foo bar*</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7004:1-7006:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><em>foo bar</em></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="7009:1-7010:66" dir="auto">This is not emphasis, because the opening <code>*</code> is followed by +whitespace, and hence not part of a [left-flanking delimiter run]:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7012:1-7014:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">a * foo bar*</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7016:1-7018:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>a * foo bar*</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="7021:1-7023:44" dir="auto">This is not emphasis, because the opening <code>*</code> is preceded +by an alphanumeric and followed by punctuation, and hence +not part of a [left-flanking delimiter run]:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7025:1-7027:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">a*"foo"*</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7029:1-7031:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>a*&quot;foo&quot;*</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="7034:1-7034:52" dir="auto">Unicode nonbreaking spaces count as whitespace, too:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7036:1-7038:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">* a *</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7040:1-7042:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>* a *</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="7045:1-7045:41" dir="auto">Intraword emphasis with <code>*</code> is permitted:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7047:1-7049:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo*bar*</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7051:1-7053:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>foo<em>bar</em></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7056:1-7058:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">5*6*78</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7060:1-7062:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>5<em>6</em>78</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="7065:1-7065:7" dir="auto">Rule 2:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7067:1-7069:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">_foo bar_</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7071:1-7073:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><em>foo bar</em></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="7076:1-7077:11" dir="auto">This is not emphasis, because the opening <code>_</code> is followed by +whitespace:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7079:1-7081:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">_ foo bar_</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7083:1-7085:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>_ foo bar_</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="7088:1-7089:47" dir="auto">This is not emphasis, because the opening <code>_</code> is preceded +by an alphanumeric and followed by punctuation:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7091:1-7093:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">a_"foo"_</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7095:1-7097:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>a_&quot;foo&quot;_</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="7100:1-7100:46" dir="auto">Emphasis with <code>_</code> is not allowed inside words:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7102:1-7104:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo_bar_</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7106:1-7108:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>foo_bar_</p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7111:1-7113:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">5_6_78</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7115:1-7117:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>5_6_78</p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7120:1-7122:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">пристаням_стремятся_</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7124:1-7126:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>пристаням_стремятся_</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="7129:1-7130:47" dir="auto">Here <code>_</code> does not generate emphasis, because the first delimiter run +is right-flanking and the second left-flanking:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7132:1-7134:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">aa_"bb"_cc</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7136:1-7138:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>aa_&quot;bb&quot;_cc</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="7141:1-7143:12" dir="auto">This is emphasis, even though the opening delimiter is +both left- and right-flanking, because it is preceded by +punctuation:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7145:1-7147:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo-_(bar)_</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7149:1-7151:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>foo-<em>(bar)</em></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="7154:1-7154:7" dir="auto">Rule 3:</p> +<p data-sourcepos="7156:1-7157:32" dir="auto">This is not emphasis, because the closing delimiter does +not match the opening delimiter:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7159:1-7161:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">_foo*</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7163:1-7165:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>_foo*</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="7168:1-7169:11" dir="auto">This is not emphasis, because the closing <code>*</code> is preceded by +whitespace:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7171:1-7173:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">*foo bar *</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7175:1-7177:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>*foo bar *</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="7180:1-7180:36" dir="auto">A newline also counts as whitespace:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7182:1-7185:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">*foo bar</span> +<span id="LC2" class="line" lang="plaintext">*</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7187:1-7190:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>*foo bar</span> +<span id="LC2" class="line" lang="plaintext">*</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="7193:1-7195:58" dir="auto">This is not emphasis, because the second <code>*</code> is +preceded by punctuation and followed by an alphanumeric +(hence it is not part of a [right-flanking delimiter run]:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7197:1-7199:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">*(*foo)</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7201:1-7203:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>*(*foo)</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="7206:1-7207:18" dir="auto">The point of this restriction is more easily appreciated +with this example:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7209:1-7211:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">*(*foo*)*</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7213:1-7215:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><em>(<em>foo</em>)</em></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="7218:1-7218:39" dir="auto">Intraword emphasis with <code>*</code> is allowed:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7220:1-7222:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">*foo*bar</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7224:1-7226:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><em>foo</em>bar</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="7230:1-7230:7" dir="auto">Rule 4:</p> +<p data-sourcepos="7232:1-7233:11" dir="auto">This is not emphasis, because the closing <code>_</code> is preceded by +whitespace:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7235:1-7237:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">_foo bar _</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7239:1-7241:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>_foo bar _</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="7244:1-7245:56" dir="auto">This is not emphasis, because the second <code>_</code> is +preceded by punctuation and followed by an alphanumeric:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7247:1-7249:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">_(_foo)</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7251:1-7253:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>_(_foo)</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="7256:1-7256:33" dir="auto">This is emphasis within emphasis:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7258:1-7260:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">_(_foo_)_</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7262:1-7264:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><em>(<em>foo</em>)</em></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="7267:1-7267:41" dir="auto">Intraword emphasis is disallowed for <code>_</code>:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7269:1-7271:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">_foo_bar</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7273:1-7275:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>_foo_bar</p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7278:1-7280:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">_пристаням_стремятся</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7282:1-7284:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>_пристаням_стремятся</p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7287:1-7289:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">_foo_bar_baz_</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7291:1-7293:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><em>foo_bar_baz</em></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="7296:1-7298:12" dir="auto">This is emphasis, even though the closing delimiter is +both left- and right-flanking, because it is followed by +punctuation:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7300:1-7302:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">_(bar)_.</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7304:1-7306:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><em>(bar)</em>.</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="7309:1-7309:7" dir="auto">Rule 5:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7311:1-7313:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">**foo bar**</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7315:1-7317:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><strong>foo bar</strong></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="7320:1-7321:23" dir="auto">This is not strong emphasis, because the opening delimiter is +followed by whitespace:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7323:1-7325:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">** foo bar**</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7327:1-7329:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>** foo bar**</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="7332:1-7334:44" dir="auto">This is not strong emphasis, because the opening <code>**</code> is preceded +by an alphanumeric and followed by punctuation, and hence +not part of a [left-flanking delimiter run]:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7336:1-7338:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">a**"foo"**</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7340:1-7342:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>a**&quot;foo&quot;**</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="7345:1-7345:49" dir="auto">Intraword strong emphasis with <code>**</code> is permitted:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7347:1-7349:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo**bar**</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7351:1-7353:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>foo<strong>bar</strong></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="7356:1-7356:7" dir="auto">Rule 6:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7358:1-7360:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">__foo bar__</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7362:1-7364:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><strong>foo bar</strong></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="7367:1-7368:23" dir="auto">This is not strong emphasis, because the opening delimiter is +followed by whitespace:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7370:1-7372:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">__ foo bar__</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7374:1-7376:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>__ foo bar__</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="7379:1-7379:31" dir="auto">A newline counts as whitespace:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7380:1-7383:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">__</span> +<span id="LC2" class="line" lang="plaintext">foo bar__</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7385:1-7388:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>__</span> +<span id="LC2" class="line" lang="plaintext">foo bar__</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="7391:1-7392:47" dir="auto">This is not strong emphasis, because the opening <code>__</code> is preceded +by an alphanumeric and followed by punctuation:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7394:1-7396:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">a__"foo"__</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7398:1-7400:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>a__&quot;foo&quot;__</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="7403:1-7403:49" dir="auto">Intraword strong emphasis is forbidden with <code>__</code>:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7405:1-7407:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo__bar__</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7409:1-7411:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>foo__bar__</p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7414:1-7416:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">5__6__78</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7418:1-7420:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>5__6__78</p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7423:1-7425:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">пристаням__стремятся__</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7427:1-7429:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>пристаням__стремятся__</p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7432:1-7434:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">__foo, __bar__, baz__</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7436:1-7438:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><strong>foo, <strong>bar</strong>, baz</strong></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="7441:1-7443:12" dir="auto">This is strong emphasis, even though the opening delimiter is +both left- and right-flanking, because it is preceded by +punctuation:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7445:1-7447:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo-__(bar)__</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7449:1-7451:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>foo-<strong>(bar)</strong></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="7455:1-7455:7" dir="auto">Rule 7:</p> +<p data-sourcepos="7457:1-7458:14" dir="auto">This is not strong emphasis, because the closing delimiter is preceded +by whitespace:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7460:1-7462:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">**foo bar **</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7464:1-7466:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>**foo bar **</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="7469:1-7470:9" dir="auto">(Nor can it be interpreted as an emphasized <code>*foo bar *</code>, because of +Rule 11.)</p> +<p data-sourcepos="7472:1-7473:56" dir="auto">This is not strong emphasis, because the second <code>**</code> is +preceded by punctuation and followed by an alphanumeric:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7475:1-7477:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">**(**foo)</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7479:1-7481:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>**(**foo)</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="7484:1-7485:20" dir="auto">The point of this restriction is more easily appreciated +with these examples:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7487:1-7489:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">*(**foo**)*</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7491:1-7493:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><em>(<strong>foo</strong>)</em></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7496:1-7499:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">**Gomphocarpus (*Gomphocarpus physocarpus*, syn.</span> +<span id="LC2" class="line" lang="plaintext">*Asclepias physocarpa*)**</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7501:1-7504:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><strong>Gomphocarpus (<em>Gomphocarpus physocarpus</em>, syn.</span> +<span id="LC2" class="line" lang="plaintext"><em>Asclepias physocarpa</em>)</strong></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7507:1-7509:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">**foo "*bar*" foo**</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7511:1-7513:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><strong>foo &quot;<em>bar</em>&quot; foo</strong></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="7516:1-7516:19" dir="auto">Intraword emphasis:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7518:1-7520:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">**foo**bar</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7522:1-7524:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><strong>foo</strong>bar</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="7527:1-7527:7" dir="auto">Rule 8:</p> +<p data-sourcepos="7529:1-7530:23" dir="auto">This is not strong emphasis, because the closing delimiter is +preceded by whitespace:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7532:1-7534:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">__foo bar __</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7536:1-7538:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>__foo bar __</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="7541:1-7542:56" dir="auto">This is not strong emphasis, because the second <code>__</code> is +preceded by punctuation and followed by an alphanumeric:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7544:1-7546:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">__(__foo)</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7548:1-7550:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>__(__foo)</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="7553:1-7554:18" dir="auto">The point of this restriction is more easily appreciated +with this example:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7556:1-7558:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">_(__foo__)_</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7560:1-7562:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><em>(<strong>foo</strong>)</em></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="7565:1-7565:49" dir="auto">Intraword strong emphasis is forbidden with <code>__</code>:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7567:1-7569:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">__foo__bar</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7571:1-7573:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>__foo__bar</p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7576:1-7578:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">__пристаням__стремятся</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7580:1-7582:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>__пристаням__стремятся</p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7585:1-7587:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">__foo__bar__baz__</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7589:1-7591:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><strong>foo__bar__baz</strong></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="7594:1-7596:12" dir="auto">This is strong emphasis, even though the closing delimiter is +both left- and right-flanking, because it is followed by +punctuation:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7598:1-7600:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">__(bar)__.</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7602:1-7604:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><strong>(bar)</strong>.</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="7607:1-7607:7" dir="auto">Rule 9:</p> +<p data-sourcepos="7609:1-7610:16" dir="auto">Any nonempty sequence of inline elements can be the contents of an +emphasized span.</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7612:1-7614:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">*foo [bar](/url)*</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7616:1-7618:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><em>foo <a href="/url">bar</a></em></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7621:1-7624:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">*foo</span> +<span id="LC2" class="line" lang="plaintext">bar*</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7626:1-7629:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><em>foo</span> +<span id="LC2" class="line" lang="plaintext">bar</em></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="7632:1-7633:16" dir="auto">In particular, emphasis and strong emphasis can be nested +inside emphasis:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7635:1-7637:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">_foo __bar__ baz_</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7639:1-7641:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><em>foo <strong>bar</strong> baz</em></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7644:1-7646:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">_foo _bar_ baz_</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7648:1-7650:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><em>foo <em>bar</em> baz</em></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7653:1-7655:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">__foo_ bar_</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7657:1-7659:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><em><em>foo</em> bar</em></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7662:1-7664:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">*foo *bar**</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7666:1-7668:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><em>foo <em>bar</em></em></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7671:1-7673:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">*foo **bar** baz*</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7675:1-7677:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><em>foo <strong>bar</strong> baz</em></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7679:1-7681:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">*foo**bar**baz*</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7683:1-7685:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><em>foo<strong>bar</strong>baz</em></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="7687:1-7687:51" dir="auto">Note that in the preceding case, the interpretation</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7689:1-7691:3" lang="markdown" class="code highlight js-syntax-highlight language-markdown" v-pre="true"><code><span id="LC1" class="line" lang="markdown"><span class="nt"><p><em></span>foo<span class="nt"></em><em></span>bar<span class="nt"><em></em></span>baz<span class="nt"></em></p></span></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="7694:1-7699:32" dir="auto">is precluded by the condition that a delimiter that +can both open and close (like the <code>*</code> after <code>foo</code>) +cannot form emphasis if the sum of the lengths of +the delimiter runs containing the opening and +closing delimiters is a multiple of 3 unless +both lengths are multiples of 3.</p> +<p data-sourcepos="7702:1-7703:34" dir="auto">For the same reason, we don't get two consecutive +emphasis sections in this example:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7705:1-7707:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">*foo**bar*</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7709:1-7711:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><em>foo**bar</em></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="7714:1-7717:8" dir="auto">The same condition ensures that the following +cases are all strong emphasis nested inside +emphasis, even when the interior spaces are +omitted:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7720:1-7722:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">***foo** bar*</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7724:1-7726:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><em><strong>foo</strong> bar</em></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7729:1-7731:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">*foo **bar***</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7733:1-7735:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><em>foo <strong>bar</strong></em></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7738:1-7740:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">*foo**bar***</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7742:1-7744:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><em>foo<strong>bar</strong></em></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="7747:1-7749:34" dir="auto">When the lengths of the interior closing and opening +delimiter runs are <em>both</em> multiples of 3, though, +they can match to create emphasis:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7751:1-7753:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo***bar***baz</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7755:1-7757:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>foo<em><strong>bar</strong></em>baz</p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7759:1-7761:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo******bar*********baz</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7763:1-7765:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>foo<strong><strong><strong>bar</strong></strong></strong>***baz</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="7768:1-7768:42" dir="auto">Indefinite levels of nesting are possible:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7770:1-7772:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">*foo **bar *baz* bim** bop*</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7774:1-7776:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><em>foo <strong>bar <em>baz</em> bim</strong> bop</em></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7779:1-7781:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">*foo [*bar*](/url)*</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7783:1-7785:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><em>foo <a href="/url"><em>bar</em></a></em></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="7788:1-7788:50" dir="auto">There can be no empty emphasis or strong emphasis:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7790:1-7792:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">** is not an empty emphasis</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7794:1-7796:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>** is not an empty emphasis</p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7799:1-7801:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">**** is not an empty strong emphasis</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7803:1-7805:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>**** is not an empty strong emphasis</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="7809:1-7809:8" dir="auto">Rule 10:</p> +<p data-sourcepos="7811:1-7812:25" dir="auto">Any nonempty sequence of inline elements can be the contents of an +strongly emphasized span.</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7814:1-7816:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">**foo [bar](/url)**</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7818:1-7820:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><strong>foo <a href="/url">bar</a></strong></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7823:1-7826:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">**foo</span> +<span id="LC2" class="line" lang="plaintext">bar**</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7828:1-7831:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><strong>foo</span> +<span id="LC2" class="line" lang="plaintext">bar</strong></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="7834:1-7835:23" dir="auto">In particular, emphasis and strong emphasis can be nested +inside strong emphasis:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7837:1-7839:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">__foo _bar_ baz__</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7841:1-7843:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><strong>foo <em>bar</em> baz</strong></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7846:1-7848:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">__foo __bar__ baz__</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7850:1-7852:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><strong>foo <strong>bar</strong> baz</strong></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7855:1-7857:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">____foo__ bar__</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7859:1-7861:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><strong><strong>foo</strong> bar</strong></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7864:1-7866:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">**foo **bar****</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7868:1-7870:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><strong>foo <strong>bar</strong></strong></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7873:1-7875:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">**foo *bar* baz**</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7877:1-7879:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><strong>foo <em>bar</em> baz</strong></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7882:1-7884:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">**foo*bar*baz**</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7886:1-7888:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><strong>foo<em>bar</em>baz</strong></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7891:1-7893:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">***foo* bar**</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7895:1-7897:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><strong><em>foo</em> bar</strong></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7900:1-7902:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">**foo *bar***</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7904:1-7906:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><strong>foo <em>bar</em></strong></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="7909:1-7909:42" dir="auto">Indefinite levels of nesting are possible:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7911:1-7914:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">**foo *bar **baz**</span> +<span id="LC2" class="line" lang="plaintext">bim* bop**</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7916:1-7919:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><strong>foo <em>bar <strong>baz</strong></span> +<span id="LC2" class="line" lang="plaintext">bim</em> bop</strong></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7922:1-7924:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">**foo [*bar*](/url)**</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7926:1-7928:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><strong>foo <a href="/url"><em>bar</em></a></strong></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="7931:1-7931:50" dir="auto">There can be no empty emphasis or strong emphasis:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7933:1-7935:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">__ is not an empty emphasis</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7937:1-7939:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>__ is not an empty emphasis</p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7942:1-7944:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">____ is not an empty strong emphasis</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7946:1-7948:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>____ is not an empty strong emphasis</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="7952:1-7952:8" dir="auto">Rule 11:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7954:1-7956:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo ***</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7958:1-7960:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>foo ***</p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7963:1-7965:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo *\**</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7967:1-7969:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>foo <em>*</em></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7972:1-7974:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo *_*</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7976:1-7978:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>foo <em>_</em></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7981:1-7983:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo *****</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7985:1-7987:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>foo *****</p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7990:1-7992:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo **\***</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7994:1-7996:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>foo <strong>*</strong></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="7999:1-8001:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo **_**</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8003:1-8005:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>foo <strong>_</strong></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="8008:1-8010:32" dir="auto">Note that when delimiters do not match evenly, Rule 11 determines +that the excess literal <code>*</code> characters will appear outside of the +emphasis, rather than inside it:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8012:1-8014:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">**foo*</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8016:1-8018:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>*<em>foo</em></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8021:1-8023:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">*foo**</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8025:1-8027:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><em>foo</em>*</p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8030:1-8032:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">***foo**</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8034:1-8036:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>*<strong>foo</strong></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8039:1-8041:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">****foo*</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8043:1-8045:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>***<em>foo</em></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8048:1-8050:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">**foo***</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8052:1-8054:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><strong>foo</strong>*</p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8057:1-8059:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">*foo****</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8061:1-8063:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><em>foo</em>***</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="8067:1-8067:8" dir="auto">Rule 12:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8069:1-8071:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo ___</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8073:1-8075:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>foo ___</p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8078:1-8080:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo _\__</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8082:1-8084:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>foo <em>_</em></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8087:1-8089:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo _*_</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8091:1-8093:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>foo <em>*</em></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8096:1-8098:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo _____</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8100:1-8102:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>foo _____</p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8105:1-8107:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo __\___</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8109:1-8111:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>foo <strong>_</strong></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8114:1-8116:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo __*__</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8118:1-8120:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>foo <strong>*</strong></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8123:1-8125:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">__foo_</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8127:1-8129:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>_<em>foo</em></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="8132:1-8134:32" dir="auto">Note that when delimiters do not match evenly, Rule 12 determines +that the excess literal <code>_</code> characters will appear outside of the +emphasis, rather than inside it:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8136:1-8138:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">_foo__</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8140:1-8142:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><em>foo</em>_</p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8145:1-8147:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">___foo__</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8149:1-8151:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>_<strong>foo</strong></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8154:1-8156:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">____foo_</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8158:1-8160:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>___<em>foo</em></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8163:1-8165:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">__foo___</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8167:1-8169:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><strong>foo</strong>_</p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8172:1-8174:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">_foo____</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8176:1-8178:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><em>foo</em>___</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="8181:1-8182:44" dir="auto">Rule 13 implies that if you want emphasis nested directly inside +emphasis, you must use different delimiters:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8184:1-8186:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">**foo**</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8188:1-8190:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><strong>foo</strong></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8193:1-8195:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">*_foo_*</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8197:1-8199:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><em><em>foo</em></em></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8202:1-8204:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">__foo__</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8206:1-8208:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><strong>foo</strong></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8211:1-8213:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">_*foo*_</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8215:1-8217:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><em><em>foo</em></em></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="8220:1-8221:21" dir="auto">However, strong emphasis within strong emphasis is possible without +switching delimiters:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8223:1-8225:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">****foo****</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8227:1-8229:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><strong><strong>foo</strong></strong></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8232:1-8234:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">____foo____</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8236:1-8238:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><strong><strong>foo</strong></strong></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="8242:1-8243:11" dir="auto">Rule 13 can be applied to arbitrarily long sequences of +delimiters:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8245:1-8247:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">******foo******</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8249:1-8251:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><strong><strong><strong>foo</strong></strong></strong></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="8254:1-8254:8" dir="auto">Rule 14:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8256:1-8258:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">***foo***</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8260:1-8262:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><em><strong>foo</strong></em></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8265:1-8267:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">_____foo_____</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8269:1-8271:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><em><strong><strong>foo</strong></strong></em></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="8274:1-8274:8" dir="auto">Rule 15:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8276:1-8278:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">*foo _bar* baz_</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8280:1-8282:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><em>foo _bar</em> baz_</p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8285:1-8287:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">*foo __bar *baz bim__ bam*</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8289:1-8291:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><em>foo <strong>bar *baz bim</strong> bam</em></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="8294:1-8294:8" dir="auto">Rule 16:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8296:1-8298:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">**foo **bar baz**</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8300:1-8302:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>**foo <strong>bar baz</strong></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8305:1-8307:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">*foo *bar baz*</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8309:1-8311:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>*foo <em>bar baz</em></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="8314:1-8314:8" dir="auto">Rule 17:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8316:1-8318:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">*[bar*](/url)</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8320:1-8322:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>*<a href="/url">bar*</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8325:1-8327:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">_foo [bar_](/url)</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8329:1-8331:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>_foo <a href="/url">bar_</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8334:1-8336:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">*<img src="foo" title="*"/></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8338:1-8340:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>*<img src="foo" title="*"/></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8343:1-8345:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">**<a href="**"></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8347:1-8349:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>**<a href="**"></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8352:1-8354:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">__<a href="__"></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8356:1-8358:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>__<a href="__"></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8361:1-8363:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">*a `*`*</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8365:1-8367:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><em>a <code>*</code></em></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8370:1-8372:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">_a `_`_</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8374:1-8376:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><em>a <code>_</code></em></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8379:1-8381:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">**a<http://foo.bar/?q=**></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8383:1-8385:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>**a<a href="http://foo.bar/?q=**">http://foo.bar/?q=**</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8388:1-8390:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">__a<http://foo.bar/?q=__></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8392:1-8394:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>__a<a href="http://foo.bar/?q=__">http://foo.bar/?q=__</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<div> +<h2 data-sourcepos="8399:1-8399:28"> +<a id="user-content-strikethrough-extension" class="anchor" href="#strikethrough-extension" aria-hidden="true"></a>Strikethrough (extension)</h2> +<p data-sourcepos="8401:1-8402:10">GFM enables the <code>strikethrough</code> extension, where an additional emphasis type is +available.</p> +<p data-sourcepos="8404:1-8404:59">Strikethrough text is any text wrapped in two tildes (<code>~</code>).</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8406:1-8408:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">~~Hi~~ Hello, world!</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8410:1-8412:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><del>Hi</del> Hello, world!</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="8414:1-8415:17">As with regular emphasis delimiters, a new paragraph will cause strikethrough +parsing to cease:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8417:1-8421:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">This ~~has a</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">new paragraph~~.</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8423:1-8426:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>This ~~has a</p></span> +<span id="LC2" class="line" lang="plaintext"><p>new paragraph~~.</p></span></code></pre> +<copy-code></copy-code> +</div> +</div> +<h2 data-sourcepos="8430:1-8430:8" dir="auto"> +<a id="user-content-links" class="anchor" href="#links" aria-hidden="true"></a>Links</h2> +<p data-sourcepos="8432:1-8437:13" dir="auto">A link contains [link text] (the visible text), a [link destination] +(the URI that is the link destination), and optionally a [link title]. +There are two basic kinds of links in Markdown. In [inline links] the +destination and title are given immediately after the link text. In +[reference links] the destination and title are defined elsewhere in +the document.</p> +<p data-sourcepos="8439:1-8441:22" dir="auto">A <a href="@">link text</a> consists of a sequence of zero or more +inline elements enclosed by square brackets (<code>[</code> and <code>]</code>). The +following rules apply:</p> +<ul data-sourcepos="8443:1-8459:0" dir="auto"> +<li data-sourcepos="8443:1-8446:0"> +<p data-sourcepos="8443:3-8445:43">Links may not contain other links, at any level of nesting. If +multiple otherwise valid link definitions appear nested inside each +other, the inner-most definition is used.</p> +</li> +<li data-sourcepos="8447:1-8451:0"> +<p data-sourcepos="8447:3-8450:22">Brackets are allowed in the [link text] only if (a) they +are backslash-escaped or (b) they appear as a matched pair of brackets, +with an open bracket <code>[</code>, a sequence of zero or more inlines, and +a close bracket <code>]</code>.</p> +</li> +<li data-sourcepos="8452:1-8456:0"> +<p data-sourcepos="8452:3-8455:25">Backtick [code spans], [autolinks], and raw [HTML tags] bind more tightly +than the brackets in link text. Thus, for example, +<code>[foo`]`</code> could not be a link text, since the second <code>]</code> +is part of a code span.</p> +</li> +<li data-sourcepos="8457:1-8459:0"> +<p data-sourcepos="8457:3-8458:78">The brackets in link text bind more tightly than markers for +[emphasis and strong emphasis]. Thus, for example, <code>*[foo*](url)</code> is a link.</p> +</li> +</ul> +<p data-sourcepos="8460:1-8460:42" dir="auto">A <a href="@">link destination</a> consists of either</p> +<ul data-sourcepos="8462:1-8473:0" dir="auto"> +<li data-sourcepos="8462:1-8465:0"> +<p data-sourcepos="8462:3-8464:27">a sequence of zero or more characters between an opening <code><</code> and a +closing <code>></code> that contains no line breaks or unescaped +<code><</code> or <code>></code> characters, or</p> +</li> +<li data-sourcepos="8466:1-8473:0"> +<p data-sourcepos="8466:3-8472:23">a nonempty sequence of characters that does not start with +<code><</code>, does not include ASCII space or control characters, and +includes parentheses only if (a) they are backslash-escaped or +(b) they are part of a balanced pair of unescaped parentheses. +(Implementations may impose limits on parentheses nesting to +avoid performance issues, but at least three levels of nesting +should be supported.)</p> +</li> +</ul> +<p data-sourcepos="8474:1-8474:37" dir="auto">A <a href="@">link title</a> consists of either</p> +<ul data-sourcepos="8476:1-8487:0" dir="auto"> +<li data-sourcepos="8476:1-8479:0"> +<p data-sourcepos="8476:3-8478:23">a sequence of zero or more characters between straight double-quote +characters (<code>"</code>), including a <code>"</code> character only if it is +backslash-escaped, or</p> +</li> +<li data-sourcepos="8480:1-8483:0"> +<p data-sourcepos="8480:3-8482:23">a sequence of zero or more characters between straight single-quote +characters (<code>'</code>), including a <code>'</code> character only if it is +backslash-escaped, or</p> +</li> +<li data-sourcepos="8484:1-8487:0"> +<p data-sourcepos="8484:3-8486:20">a sequence of zero or more characters between matching parentheses +(<code>(...)</code>), including a <code>(</code> or <code>)</code> character only if it is +backslash-escaped.</p> +</li> +</ul> +<p data-sourcepos="8488:1-8489:15" dir="auto">Although [link titles] may span multiple lines, they may not contain +a [blank line].</p> +<p data-sourcepos="8491:1-8501:6" dir="auto">An <a href="@">inline link</a> consists of a [link text] followed immediately +by a left parenthesis <code>(</code>, optional [whitespace], an optional +[link destination], an optional [link title] separated from the link +destination by [whitespace], optional [whitespace], and a right +parenthesis <code>)</code>. The link's text consists of the inlines contained +in the [link text] (excluding the enclosing square brackets). +The link's URI consists of the link destination, excluding enclosing +<code><...></code> if present, with backslash-escapes in effect as described +above. The link's title consists of the link title, excluding its +enclosing delimiters, with backslash-escapes in effect as described +above.</p> +<p data-sourcepos="8503:1-8503:29" dir="auto">Here is a simple inline link:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8505:1-8507:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[link](/uri "title")</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8509:1-8511:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="/uri" title="title">link</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="8514:1-8514:25" dir="auto">The title may be omitted:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8516:1-8518:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[link](/uri)</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8520:1-8522:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="/uri">link</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="8525:1-8525:50" dir="auto">Both the title and the destination may be omitted:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8527:1-8529:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[link]()</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8531:1-8533:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="">link</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8536:1-8538:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[link](<>)</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8540:1-8542:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="">link</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="8544:1-8545:28" dir="auto">The destination can only contain spaces if it is +enclosed in pointy brackets:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8547:1-8549:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[link](/my uri)</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8551:1-8553:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>[link](/my uri)</p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8555:1-8557:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[link](</my uri>)</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8559:1-8561:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="/my%20uri">link</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="8563:1-8564:36" dir="auto">The destination cannot contain line breaks, +even if enclosed in pointy brackets:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8566:1-8569:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[link](foo</span> +<span id="LC2" class="line" lang="plaintext">bar)</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8571:1-8574:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>[link](foo</span> +<span id="LC2" class="line" lang="plaintext">bar)</p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8576:1-8579:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[link](<foo</span> +<span id="LC2" class="line" lang="plaintext">bar>)</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8581:1-8584:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>[link](<foo</span> +<span id="LC2" class="line" lang="plaintext">bar>)</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="8586:1-8587:19" dir="auto">The destination can contain <code>)</code> if it is enclosed +in pointy brackets:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8589:1-8591:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[a](<b)c>)</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8593:1-8595:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="b)c">a</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="8597:1-8597:53" dir="auto">Pointy brackets that enclose links must be unescaped:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8599:1-8601:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[link](<foo\>)</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8603:1-8605:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>[link](&lt;foo&gt;)</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="8607:1-8608:24" dir="auto">These are not links, because the opening pointy bracket +is not matched properly:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8610:1-8614:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[a](<b)c</span> +<span id="LC2" class="line" lang="plaintext">[a](<b)c></span> +<span id="LC3" class="line" lang="plaintext">[a](<b>c)</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8616:1-8620:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>[a](&lt;b)c</span> +<span id="LC2" class="line" lang="plaintext">[a](&lt;b)c&gt;</span> +<span id="LC3" class="line" lang="plaintext">[a](<b>c)</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="8622:1-8622:55" dir="auto">Parentheses inside the link destination may be escaped:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8624:1-8626:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[link](\(foo\))</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8628:1-8630:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="(foo)">link</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="8632:1-8633:9" dir="auto">Any number of parentheses are allowed without escaping, as long as they are +balanced:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8635:1-8637:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[link](foo(and(bar)))</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8639:1-8641:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="foo(and(bar))">link</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="8643:1-8644:13" dir="auto">However, if you have unbalanced parentheses, you need to escape or use the +<code><...></code> form:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8646:1-8648:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[link](foo\(and\(bar\))</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8650:1-8652:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="foo(and(bar)">link</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8655:1-8657:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[link](<foo(and(bar)>)</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8659:1-8661:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="foo(and(bar)">link</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="8664:1-8665:12" dir="auto">Parentheses and other symbols can also be escaped, as usual +in Markdown:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8667:1-8669:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[link](foo\)\:)</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8671:1-8673:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="foo):">link</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="8676:1-8676:52" dir="auto">A link can contain fragment identifiers and queries:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8678:1-8684:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[link](#fragment)</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">[link](http://example.com#fragment)</span> +<span id="LC4" class="line" lang="plaintext"></span> +<span id="LC5" class="line" lang="plaintext">[link](http://example.com?foo=3#frag)</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8686:1-8690:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="#fragment">link</a></p></span> +<span id="LC2" class="line" lang="plaintext"><p><a href="http://example.com#fragment">link</a></p></span> +<span id="LC3" class="line" lang="plaintext"><p><a href="http://example.com?foo=3#frag">link</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="8693:1-8694:17" dir="auto">Note that a backslash before a non-escapable character is +just a backslash:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8696:1-8698:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[link](foo\bar)</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8700:1-8702:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="foo%5Cbar">link</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="8705:1-8712:52" dir="auto">URL-escaping should be left alone inside the destination, as all +URL-escaped characters are also valid URL characters. Entity and +numerical character references in the destination will be parsed +into the corresponding Unicode code points, as usual. These may +be optionally URL-escaped when written as HTML, but this spec +does not enforce any particular policy for rendering URLs in +HTML or other formats. Renderers may make different decisions +about how to escape or normalize URLs in the output.</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8714:1-8716:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[link](foo%20b&auml;)</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8718:1-8720:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="foo%20b%C3%A4">link</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="8723:1-8725:23" dir="auto">Note that, because titles can often be parsed as destinations, +if you try to omit the destination and keep the title, you'll +get unexpected results:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8727:1-8729:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[link]("title")</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8731:1-8733:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="%22title%22">link</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="8736:1-8736:62" dir="auto">Titles may be in single quotes, double quotes, or parentheses:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8738:1-8742:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[link](/url "title")</span> +<span id="LC2" class="line" lang="plaintext">[link](/url 'title')</span> +<span id="LC3" class="line" lang="plaintext">[link](/url (title))</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8744:1-8748:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="/url" title="title">link</a></span> +<span id="LC2" class="line" lang="plaintext"><a href="/url" title="title">link</a></span> +<span id="LC3" class="line" lang="plaintext"><a href="/url" title="title">link</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="8751:1-8752:22" dir="auto">Backslash escapes and entity and numeric character references +may be used in titles:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8754:1-8756:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[link](/url "title \"&quot;")</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8758:1-8760:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="/url" title="title &quot;&quot;">link</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="8763:1-8764:64" dir="auto">Titles must be separated from the link using a [whitespace]. +Other [Unicode whitespace] like non-breaking space doesn't work.</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8766:1-8768:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[link](/url "title")</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8770:1-8772:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="/url%C2%A0%22title%22">link</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="8775:1-8775:56" dir="auto">Nested balanced quotes are not allowed without escaping:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8777:1-8779:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[link](/url "title "and" title")</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8781:1-8783:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>[link](/url &quot;title &quot;and&quot; title&quot;)</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="8786:1-8786:67" dir="auto">But it is easy to work around this by using a different quote type:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8788:1-8790:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[link](/url 'title "and" title')</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8792:1-8794:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="/url" title="title &quot;and&quot; title">link</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="8797:1-8810:61" dir="auto">(Note: <code>Markdown.pl</code> did allow double quotes inside a double-quoted +title, and its test suite included a test demonstrating this. +But it is hard to see a good rationale for the extra complexity this +brings, since there are already many ways---backslash escaping, +entity and numeric character references, or using a different +quote type for the enclosing title---to write titles containing +double quotes. <code>Markdown.pl</code>'s handling of titles has a number +of other strange features. For example, it allows single-quoted +titles in inline links, but not reference links. And, in +reference links but not inline links, it allows a title to begin +with <code>"</code> and end with <code>)</code>. <code>Markdown.pl</code> 1.0.1 even allows +titles with no closing quotation mark, though 1.0.2b8 does not. +It seems preferable to adopt a simple, rational rule that works +the same way in inline links and link reference definitions.)</p> +<p data-sourcepos="8812:1-8812:57" dir="auto">[Whitespace] is allowed around the destination and title:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8814:1-8817:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[link]( /uri</span> +<span id="LC2" class="line" lang="plaintext"> "title" )</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8819:1-8821:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="/uri" title="title">link</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="8824:1-8825:22" dir="auto">But it is not allowed between the link text and the +following parenthesis:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8827:1-8829:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[link] (/uri)</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8831:1-8833:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>[link] (/uri)</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="8836:1-8837:24" dir="auto">The link text may contain balanced brackets, but not unbalanced ones, +unless they are escaped:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8839:1-8841:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[link [foo [bar]]](/uri)</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8843:1-8845:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="/uri">link [foo [bar]]</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8848:1-8850:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[link] bar](/uri)</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8852:1-8854:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>[link] bar](/uri)</p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8857:1-8859:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[link [bar](/uri)</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8861:1-8863:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>[link <a href="/uri">bar</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8866:1-8868:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[link \[bar](/uri)</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8870:1-8872:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="/uri">link [bar</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="8875:1-8875:41" dir="auto">The link text may contain inline content:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8877:1-8879:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[link *foo **bar** `#`*](/uri)</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8881:1-8883:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="/uri">link <em>foo <strong>bar</strong> <code>#</code></em></a></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8886:1-8888:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[](/uri)</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8890:1-8892:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="/uri"><img src="moon.jpg" alt="moon" /></a></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="8895:1-8895:68" dir="auto">However, links may not contain other links, at any level of nesting.</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8897:1-8899:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo [bar](/uri)](/uri)</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8901:1-8903:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>[foo <a href="/uri">bar</a>](/uri)</p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8906:1-8908:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo *[bar [baz](/uri)](/uri)*](/uri)</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8910:1-8912:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>[foo <em>[bar <a href="/uri">baz</a>](/uri)</em>](/uri)</p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8915:1-8917:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">](uri2)](uri3)</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8919:1-8921:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><img src="uri3" alt="[foo](uri2)" /></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="8924:1-8925:18" dir="auto">These cases illustrate the precedence of link text grouping over +emphasis grouping:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8927:1-8929:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">*[foo*](/uri)</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8931:1-8933:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>*<a href="/uri">foo*</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8936:1-8938:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo *bar](baz*)</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8940:1-8942:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="baz*">foo *bar</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="8945:1-8946:11" dir="auto">Note that brackets that <em>aren't</em> part of links do not take +precedence:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8948:1-8950:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">*foo [bar* baz]</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8952:1-8954:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><em>foo [bar</em> baz]</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="8957:1-8958:33" dir="auto">These cases illustrate the precedence of HTML tags, code spans, +and autolinks over link grouping:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8960:1-8962:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo <bar attr="](baz)"></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8964:1-8966:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>[foo <bar attr="](baz)"></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8969:1-8971:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo`](/uri)`</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8973:1-8975:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>[foo<code>](/uri)</code></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8978:1-8980:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo<http://example.com/?search=](uri)></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="8982:1-8984:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>[foo<a href="http://example.com/?search=%5D(uri)">http://example.com/?search=](uri)</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="8987:1-8989:41" dir="auto">There are three kinds of <a href="@">reference link</a>s: +<a href="#full-reference-link">full</a>, <a href="#collapsed-reference-link">collapsed</a>, +and <a href="#shortcut-reference-link">shortcut</a>.</p> +<p data-sourcepos="8991:1-8993:71" dir="auto">A <a href="@">full reference link</a> +consists of a [link text] immediately followed by a [link label] +that [matches] a [link reference definition] elsewhere in the document.</p> +<p data-sourcepos="8995:1-9001:9" dir="auto">A <a href="@">link label</a> begins with a left bracket (<code>[</code>) and ends +with the first right bracket (<code>]</code>) that is not backslash-escaped. +Between these brackets there must be at least one [non-whitespace character]. +Unescaped square bracket characters are not allowed inside the +opening and closing square brackets of [link labels]. A link +label can have at most 999 characters inside the square +brackets.</p> +<p data-sourcepos="9003:1-9010:69" dir="auto">One label <a href="@">matches</a> +another just in case their normalized forms are equal. To normalize a +label, strip off the opening and closing brackets, +perform the <em>Unicode case fold</em>, strip leading and trailing +[whitespace] and collapse consecutive internal +[whitespace] to a single space. If there are multiple +matching reference link definitions, the one that comes first in the +document is used. (It is desirable in such cases to emit a warning.)</p> +<p data-sourcepos="9012:1-9014:37" dir="auto">The contents of the first link label are parsed as inlines, which are +used as the link's text. The link's URI and title are provided by the +matching [link reference definition].</p> +<p data-sourcepos="9016:1-9016:25" dir="auto">Here is a simple example:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9018:1-9022:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo][bar]</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">[bar]: /url "title"</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9024:1-9026:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="/url" title="title">foo</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="9029:1-9030:22" dir="auto">The rules for the [link text] are the same as with +[inline links]. Thus:</p> +<p data-sourcepos="9032:1-9033:24" dir="auto">The link text may contain balanced brackets, but not unbalanced ones, +unless they are escaped:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9035:1-9039:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[link [foo [bar]]][ref]</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">[ref]: /uri</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9041:1-9043:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="/uri">link [foo [bar]]</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9046:1-9050:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[link \[bar][ref]</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">[ref]: /uri</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9052:1-9054:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="/uri">link [bar</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="9057:1-9057:41" dir="auto">The link text may contain inline content:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9059:1-9063:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[link *foo **bar** `#`*][ref]</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">[ref]: /uri</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9065:1-9067:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="/uri">link <em>foo <strong>bar</strong> <code>#</code></em></a></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9070:1-9074:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[][ref]</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">[ref]: /uri</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9076:1-9078:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="/uri"><img src="moon.jpg" alt="moon" /></a></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="9081:1-9081:68" dir="auto">However, links may not contain other links, at any level of nesting.</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9083:1-9087:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo [bar](/uri)][ref]</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">[ref]: /uri</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9089:1-9091:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>[foo <a href="/uri">bar</a>]<a href="/uri">ref</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9094:1-9098:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo *bar [baz][ref]*][ref]</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">[ref]: /uri</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9100:1-9102:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>[foo <em>bar <a href="/uri">baz</a></em>]<a href="/uri">ref</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="9105:1-9106:38" dir="auto">(In the examples above, we have two [shortcut reference links] +instead of one [full reference link].)</p> +<p data-sourcepos="9108:1-9109:18" dir="auto">The following cases illustrate the precedence of link text grouping over +emphasis grouping:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9111:1-9115:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">*[foo*][ref]</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">[ref]: /uri</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9117:1-9119:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>*<a href="/uri">foo*</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9122:1-9126:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo *bar][ref]</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">[ref]: /uri</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9128:1-9130:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="/uri">foo *bar</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="9133:1-9134:33" dir="auto">These cases illustrate the precedence of HTML tags, code spans, +and autolinks over link grouping:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9136:1-9140:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo <bar attr="][ref]"></span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">[ref]: /uri</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9142:1-9144:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>[foo <bar attr="][ref]"></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9147:1-9151:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo`][ref]`</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">[ref]: /uri</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9153:1-9155:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>[foo<code>][ref]</code></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9158:1-9162:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo<http://example.com/?search=][ref]></span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">[ref]: /uri</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9164:1-9166:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>[foo<a href="http://example.com/?search=%5D%5Bref%5D">http://example.com/?search=][ref]</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="9169:1-9169:29" dir="auto">Matching is case-insensitive:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9171:1-9175:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo][BaR]</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">[bar]: /url "title"</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9177:1-9179:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="/url" title="title">foo</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="9182:1-9182:26" dir="auto">Unicode case fold is used:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9184:1-9188:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[Толпой][Толпой] is a Russian word.</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">[ТОЛПОЙ]: /url</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9190:1-9192:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="/url">Толпой</a> is a Russian word.</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="9195:1-9196:33" dir="auto">Consecutive internal [whitespace] is treated as one space for +purposes of determining matching:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9198:1-9203:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[Foo</span> +<span id="LC2" class="line" lang="plaintext"> bar]: /url</span> +<span id="LC3" class="line" lang="plaintext"></span> +<span id="LC4" class="line" lang="plaintext">[Baz][Foo bar]</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9205:1-9207:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="/url">Baz</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="9210:1-9211:13" dir="auto">No [whitespace] is allowed between the [link text] and the +[link label]:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9213:1-9217:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo] [bar]</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">[bar]: /url "title"</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9219:1-9221:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>[foo] <a href="/url" title="title">bar</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9224:1-9229:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo]</span> +<span id="LC2" class="line" lang="plaintext">[bar]</span> +<span id="LC3" class="line" lang="plaintext"></span> +<span id="LC4" class="line" lang="plaintext">[bar]: /url "title"</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9231:1-9234:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>[foo]</span> +<span id="LC2" class="line" lang="plaintext"><a href="/url" title="title">bar</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="9237:1-9246:9" dir="auto">This is a departure from John Gruber's original Markdown syntax +description, which explicitly allows whitespace between the link +text and the link label. It brings reference links in line with +[inline links], which (according to both original Markdown and +this spec) cannot have whitespace after the link text. More +importantly, it prevents inadvertent capture of consecutive +[shortcut reference links]. If whitespace is allowed between the +link text and the link label, then in the following we will have +a single reference link, not two shortcut reference links, as +intended:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9248:1-9254:3" lang="markdown" class="code highlight js-syntax-highlight language-markdown" v-pre="true"><code><span id="LC1" class="line" lang="markdown">[foo]</span> +<span id="LC2" class="line" lang="markdown">[bar]</span> +<span id="LC3" class="line" lang="markdown"></span> +<span id="LC4" class="line" lang="markdown"><span class="p">[</span><span class="ss">foo</span><span class="p">]:</span> <span class="sx">/url1</span></span> +<span id="LC5" class="line" lang="markdown"><span class="p">[</span><span class="ss">bar</span><span class="p">]:</span> <span class="sx">/url2</span></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="9256:1-9262:20" dir="auto">(Note that [shortcut reference links] were introduced by Gruber +himself in a beta version of <code>Markdown.pl</code>, but never included +in the official syntax description. Without shortcut reference +links, it is harmless to allow space between the link text and +link label; but once shortcut references are introduced, it is +too dangerous to allow this, as it frequently leads to +unintended results.)</p> +<p data-sourcepos="9264:1-9265:18" dir="auto">When there are multiple matching [link reference definitions], +the first is used:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9267:1-9273:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo]: /url1</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">[foo]: /url2</span> +<span id="LC4" class="line" lang="plaintext"></span> +<span id="LC5" class="line" lang="plaintext">[bar][foo]</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9275:1-9277:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="/url1">bar</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="9280:1-9282:40" dir="auto">Note that matching is performed on normalized strings, not parsed +inline content. So the following does not match, even though the +labels define equivalent inline content:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9284:1-9288:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[bar][foo\!]</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">[foo!]: /url</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9290:1-9292:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>[bar][foo!]</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="9295:1-9296:18" dir="auto">[Link labels] cannot contain brackets, unless they are +backslash-escaped:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9298:1-9302:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo][ref[]</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">[ref[]: /uri</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9304:1-9307:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>[foo][ref[]</p></span> +<span id="LC2" class="line" lang="plaintext"><p>[ref[]: /uri</p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9310:1-9314:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo][ref[bar]]</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">[ref[bar]]: /uri</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9316:1-9319:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>[foo][ref[bar]]</p></span> +<span id="LC2" class="line" lang="plaintext"><p>[ref[bar]]: /uri</p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9322:1-9326:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[[[foo]]]</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">[[[foo]]]: /url</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9328:1-9331:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>[[[foo]]]</p></span> +<span id="LC2" class="line" lang="plaintext"><p>[[[foo]]]: /url</p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9334:1-9338:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo][ref\[]</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">[ref\[]: /uri</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9340:1-9342:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="/uri">foo</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="9345:1-9345:55" dir="auto">Note that in this example <code>]</code> is not backslash-escaped:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9347:1-9351:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[bar\\]: /uri</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">[bar\\]</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9353:1-9355:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="/uri">bar\</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="9358:1-9358:68" dir="auto">A [link label] must contain at least one [non-whitespace character]:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9360:1-9364:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[]</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">[]: /uri</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9366:1-9369:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>[]</p></span> +<span id="LC2" class="line" lang="plaintext"><p>[]: /uri</p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9372:1-9378:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[</span> +<span id="LC2" class="line" lang="plaintext"> ]</span> +<span id="LC3" class="line" lang="plaintext"></span> +<span id="LC4" class="line" lang="plaintext">[</span> +<span id="LC5" class="line" lang="plaintext"> ]: /uri</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9380:1-9385:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>[</span> +<span id="LC2" class="line" lang="plaintext">]</p></span> +<span id="LC3" class="line" lang="plaintext"><p>[</span> +<span id="LC4" class="line" lang="plaintext">]: /uri</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="9388:1-9395:40" dir="auto">A <a href="@">collapsed reference link</a> +consists of a [link label] that [matches] a +[link reference definition] elsewhere in the +document, followed by the string <code>[]</code>. +The contents of the first link label are parsed as inlines, +which are used as the link's text. The link's URI and title are +provided by the matching reference link definition. Thus, +<code>[foo][]</code> is equivalent to <code>[foo][foo]</code>.</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9397:1-9401:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo][]</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">[foo]: /url "title"</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9403:1-9405:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="/url" title="title">foo</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9408:1-9412:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[*foo* bar][]</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">[*foo* bar]: /url "title"</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9414:1-9416:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="/url" title="title"><em>foo</em> bar</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="9419:1-9419:37" dir="auto">The link labels are case-insensitive:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9421:1-9425:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[Foo][]</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">[foo]: /url "title"</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9427:1-9429:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="/url" title="title">Foo</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="9433:1-9434:41" dir="auto">As with full reference links, [whitespace] is not +allowed between the two sets of brackets:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9436:1-9441:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo] </span> +<span id="LC2" class="line" lang="plaintext">[]</span> +<span id="LC3" class="line" lang="plaintext"></span> +<span id="LC4" class="line" lang="plaintext">[foo]: /url "title"</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9443:1-9446:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="/url" title="title">foo</a></span> +<span id="LC2" class="line" lang="plaintext">[]</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="9449:1-9456:41" dir="auto">A <a href="@">shortcut reference link</a> +consists of a [link label] that [matches] a +[link reference definition] elsewhere in the +document and is not followed by <code>[]</code> or a link label. +The contents of the first link label are parsed as inlines, +which are used as the link's text. The link's URI and title +are provided by the matching link reference definition. +Thus, <code>[foo]</code> is equivalent to <code>[foo][]</code>.</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9458:1-9462:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo]</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">[foo]: /url "title"</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9464:1-9466:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="/url" title="title">foo</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9469:1-9473:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[*foo* bar]</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">[*foo* bar]: /url "title"</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9475:1-9477:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="/url" title="title"><em>foo</em> bar</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9480:1-9484:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[[*foo* bar]]</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">[*foo* bar]: /url "title"</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9486:1-9488:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>[<a href="/url" title="title"><em>foo</em> bar</a>]</p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9491:1-9495:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[[bar [foo]</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">[foo]: /url</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9497:1-9499:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>[[bar <a href="/url">foo</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="9502:1-9502:37" dir="auto">The link labels are case-insensitive:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9504:1-9508:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[Foo]</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">[foo]: /url "title"</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9510:1-9512:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="/url" title="title">Foo</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="9515:1-9515:48" dir="auto">A space after the link text should be preserved:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9517:1-9521:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo] bar</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">[foo]: /url</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9523:1-9525:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="/url">foo</a> bar</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="9528:1-9529:31" dir="auto">If you just want bracketed text, you can backslash-escape the +opening bracket to avoid links:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9531:1-9535:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">\[foo]</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">[foo]: /url "title"</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9537:1-9539:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>[foo]</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="9542:1-9543:26" dir="auto">Note that this is a link, because a link label ends with the first +following closing bracket:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9545:1-9549:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo*]: /url</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">*[foo*]</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9551:1-9553:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>*<a href="/url">foo*</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="9556:1-9557:11" dir="auto">Full and compact references take precedence over shortcut +references:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9559:1-9564:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo][bar]</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">[foo]: /url1</span> +<span id="LC4" class="line" lang="plaintext">[bar]: /url2</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9566:1-9568:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="/url2">foo</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9570:1-9574:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo][]</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">[foo]: /url1</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9576:1-9578:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="/url1">foo</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="9580:1-9580:34" dir="auto">Inline links also take precedence:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9582:1-9586:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo]()</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">[foo]: /url1</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9588:1-9590:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="">foo</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9592:1-9596:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo](not a link)</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">[foo]: /url1</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9598:1-9600:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="/url1">foo</a>(not a link)</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="9602:1-9603:23" dir="auto">In the following case <code>[bar][baz]</code> is parsed as a reference, +<code>[foo]</code> as normal text:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9605:1-9609:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo][bar][baz]</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">[baz]: /url</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9611:1-9613:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>[foo]<a href="/url">bar</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="9616:1-9617:19" dir="auto">Here, though, <code>[foo][bar]</code> is parsed as a reference, since +<code>[bar]</code> is defined:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9619:1-9624:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo][bar][baz]</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">[baz]: /url1</span> +<span id="LC4" class="line" lang="plaintext">[bar]: /url2</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9626:1-9628:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="/url2">foo</a><a href="/url1">baz</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="9631:1-9632:65" dir="auto">Here <code>[foo]</code> is not parsed as a shortcut reference, because it +is followed by a link label (even though <code>[bar]</code> is not defined):</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9634:1-9639:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[foo][bar][baz]</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">[baz]: /url1</span> +<span id="LC4" class="line" lang="plaintext">[foo]: /url2</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9641:1-9643:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>[foo]<a href="/url1">bar</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<h2 data-sourcepos="9647:1-9647:9" dir="auto"> +<a id="user-content-images" class="anchor" href="#images" aria-hidden="true"></a>Images</h2> +<p data-sourcepos="9649:1-9657:55" dir="auto">Syntax for images is like the syntax for links, with one +difference. Instead of [link text], we have an +<a href="@">image description</a>. The rules for this are the +same as for [link text], except that (a) an +image description starts with <code></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9663:1-9665:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><img src="/url" alt="foo" title="title" /></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9668:1-9672:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">![foo *bar*]</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">[foo *bar*]: train.jpg "train & tracks"</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9674:1-9676:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><img src="train.jpg" alt="foo bar" title="train &amp; tracks" /></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9679:1-9681:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">](/url2)</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9683:1-9685:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><img src="/url2" alt="foo bar" /></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9688:1-9690:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">](/url2)</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9692:1-9694:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><img src="/url2" alt="foo bar" /></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="9697:1-9702:40" dir="auto">Though this spec is concerned with parsing, not rendering, it is +recommended that in rendering to HTML, only the plain string content +of the [image description] be used. Note that in +the above example, the alt attribute's value is <code>foo bar</code>, not <code>foo [bar](/url)</code> or <code>foo <a href="/url">bar</a></code>. Only the plain string +content is rendered, without formatting.</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9704:1-9708:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">![foo *bar*][]</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">[foo *bar*]: train.jpg "train & tracks"</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9710:1-9712:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><img src="train.jpg" alt="foo bar" title="train &amp; tracks" /></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9715:1-9719:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">![foo *bar*][foobar]</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">[FOOBAR]: train.jpg "train & tracks"</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9721:1-9723:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><img src="train.jpg" alt="foo bar" title="train &amp; tracks" /></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9726:1-9728:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9730:1-9732:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><img src="train.jpg" alt="foo" /></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9735:1-9737:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">My </span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9739:1-9741:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>My <img src="/path/to/train.jpg" alt="foo bar" title="title" /></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9744:1-9746:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9748:1-9750:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><img src="url" alt="foo" /></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9753:1-9755:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9757:1-9759:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><img src="/url" alt="" /></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="9762:1-9762:16" dir="auto">Reference-style:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9764:1-9768:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">![foo][bar]</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">[bar]: /url</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9770:1-9772:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><img src="/url" alt="foo" /></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9775:1-9779:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">![foo][bar]</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">[BAR]: /url</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9781:1-9783:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><img src="/url" alt="foo" /></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="9786:1-9786:10" dir="auto">Collapsed:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9788:1-9792:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">![foo][]</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">[foo]: /url "title"</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9794:1-9796:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><img src="/url" alt="foo" title="title" /></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9799:1-9803:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">![*foo* bar][]</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">[*foo* bar]: /url "title"</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9805:1-9807:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><img src="/url" alt="foo bar" title="title" /></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="9810:1-9810:32" dir="auto">The labels are case-insensitive:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9812:1-9816:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">![Foo][]</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">[foo]: /url "title"</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9818:1-9820:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><img src="/url" alt="Foo" title="title" /></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="9823:1-9824:33" dir="auto">As with reference links, [whitespace] is not allowed +between the two sets of brackets:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9826:1-9831:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">![foo] </span> +<span id="LC2" class="line" lang="plaintext">[]</span> +<span id="LC3" class="line" lang="plaintext"></span> +<span id="LC4" class="line" lang="plaintext">[foo]: /url "title"</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9833:1-9836:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><img src="/url" alt="foo" title="title" /></span> +<span id="LC2" class="line" lang="plaintext">[]</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="9839:1-9839:9" dir="auto">Shortcut:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9841:1-9845:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">![foo]</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">[foo]: /url "title"</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9847:1-9849:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><img src="/url" alt="foo" title="title" /></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9852:1-9856:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">![*foo* bar]</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">[*foo* bar]: /url "title"</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9858:1-9860:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><img src="/url" alt="foo bar" title="title" /></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="9863:1-9863:56" dir="auto">Note that link labels cannot contain unescaped brackets:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9865:1-9869:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">![[foo]]</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">[[foo]]: /url "title"</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9871:1-9874:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>![[foo]]</p></span> +<span id="LC2" class="line" lang="plaintext"><p>[[foo]]: /url &quot;title&quot;</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="9877:1-9877:37" dir="auto">The link labels are case-insensitive:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9879:1-9883:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">![Foo]</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">[foo]: /url "title"</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9885:1-9887:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><img src="/url" alt="Foo" title="title" /></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="9890:1-9891:33" dir="auto">If you just want a literal <code>!</code> followed by bracketed text, you can +backslash-escape the opening <code>[</code>:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9893:1-9897:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">!\[foo]</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">[foo]: /url "title"</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9899:1-9901:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>![foo]</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="9904:1-9905:4" dir="auto">If you want a link after a literal <code>!</code>, backslash-escape the +<code>!</code>:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9907:1-9911:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">\![foo]</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">[foo]: /url "title"</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9913:1-9915:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>!<a href="/url" title="title">foo</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<h2 data-sourcepos="9918:1-9918:12" dir="auto"> +<a id="user-content-autolinks" class="anchor" href="#autolinks" aria-hidden="true"></a>Autolinks</h2> +<p data-sourcepos="9920:1-9922:18" dir="auto"><a href="@">Autolink</a>s are absolute URIs and email addresses inside +<code><</code> and <code>></code>. They are parsed as links, with the URL or email address +as the link label.</p> +<p data-sourcepos="9924:1-9926:52" dir="auto">A <a href="@">URI autolink</a> consists of <code><</code>, followed by an +[absolute URI] followed by <code>></code>. It is parsed as +a link to the URI, with the URI as the link's label.</p> +<p data-sourcepos="9928:1-9933:25" dir="auto">An <a href="@">absolute URI</a>, +for these purposes, consists of a [scheme] followed by a colon (<code>:</code>) +followed by zero or more characters other than ASCII +[whitespace] and control characters, <code><</code>, and <code>></code>. If +the URI includes these characters, they must be percent-encoded +(e.g. <code>%20</code> for a space).</p> +<p data-sourcepos="9935:1-9938:37" dir="auto">For purposes of this spec, a <a href="@">scheme</a> is any sequence +of 2--32 characters beginning with an ASCII letter and followed +by any combination of ASCII letters, digits, or the symbols plus +("+"), period ("."), or hyphen ("-").</p> +<p data-sourcepos="9940:1-9940:30" dir="auto">Here are some valid autolinks:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9942:1-9944:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><http://foo.bar.baz></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9946:1-9948:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="http://foo.bar.baz">http://foo.bar.baz</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9951:1-9953:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><http://foo.bar.baz/test?q=hello&id=22&boolean></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9955:1-9957:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="http://foo.bar.baz/test?q=hello&amp;id=22&amp;boolean">http://foo.bar.baz/test?q=hello&amp;id=22&amp;boolean</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9960:1-9962:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><irc://foo.bar:2233/baz></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9964:1-9966:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="irc://foo.bar:2233/baz">irc://foo.bar:2233/baz</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="9969:1-9969:23" dir="auto">Uppercase is also fine:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9971:1-9973:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><MAILTO:FOO@BAR.BAZ></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9975:1-9977:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="MAILTO:FOO@BAR.BAZ">MAILTO:FOO@BAR.BAZ</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="9980:1-9983:18" dir="auto">Note that many strings that count as [absolute URIs] for +purposes of this spec are not valid URIs, because their +schemes are not registered or because of other problems +with their syntax:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9985:1-9987:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><a+b+c:d></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9989:1-9991:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="a+b+c:d">a+b+c:d</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9994:1-9996:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><made-up-scheme://foo,bar></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="9998:1-10000:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="made-up-scheme://foo,bar">made-up-scheme://foo,bar</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10003:1-10005:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><http://../></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10007:1-10009:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="http://../">http://../</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10012:1-10014:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><localhost:5001/foo></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10016:1-10018:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="localhost:5001/foo">localhost:5001/foo</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="10021:1-10021:36" dir="auto">Spaces are not allowed in autolinks:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10023:1-10025:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><http://foo.bar/baz bim></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10027:1-10029:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>&lt;http://foo.bar/baz bim&gt;</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="10032:1-10032:47" dir="auto">Backslash-escapes do not work inside autolinks:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10034:1-10036:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><http://example.com/\[\></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10038:1-10040:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="http://example.com/%5C%5B%5C">http://example.com/\[\</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="10043:1-10046:55" dir="auto">An <a href="@">email autolink</a> +consists of <code><</code>, followed by an [email address], +followed by <code>></code>. The link's label is the email address, +and the URL is <code>mailto:</code> followed by the email address.</p> +<p data-sourcepos="10048:1-10051:83" dir="auto">An <a href="@">email address</a>, +for these purposes, is anything that matches +the <a href="https://html.spec.whatwg.org/multipage/forms.html#e-mail-state-(type=email)" rel="nofollow noreferrer noopener" target="_blank">non-normative regex from the HTML5 +spec</a>:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10053:5-10055:0" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">/^[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?</span> +<span id="LC2" class="line" lang="plaintext">(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$/</span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="10056:1-10056:28" dir="auto">Examples of email autolinks:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10058:1-10060:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><foo@bar.example.com></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10062:1-10064:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="mailto:foo@bar.example.com">foo@bar.example.com</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10067:1-10069:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><foo+special@Bar.baz-bar0.com></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10071:1-10073:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="mailto:foo+special@Bar.baz-bar0.com">foo+special@Bar.baz-bar0.com</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="10076:1-10076:53" dir="auto">Backslash-escapes do not work inside email autolinks:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10078:1-10080:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><foo\+@bar.example.com></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10082:1-10084:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>&lt;foo+@bar.example.com&gt;</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="10087:1-10087:24" dir="auto">These are not autolinks:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10089:1-10091:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10093:1-10095:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>&lt;&gt;</p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10098:1-10100:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">< http://foo.bar ></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10102:1-10104:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>&lt; http://foo.bar &gt;</p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10107:1-10109:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><m:abc></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10111:1-10113:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>&lt;m:abc&gt;</p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10116:1-10118:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><foo.bar.baz></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10120:1-10122:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>&lt;foo.bar.baz&gt;</p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10125:1-10127:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">http://example.com</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10129:1-10131:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>http://example.com</p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10134:1-10136:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo@bar.example.com</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10138:1-10140:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>foo@bar.example.com</p></span></code></pre> +<copy-code></copy-code> +</div> +<div> +<h2 data-sourcepos="10144:1-10144:24"> +<a id="user-content-autolinks-extension" class="anchor" href="#autolinks-extension" aria-hidden="true"></a>Autolinks (extension)</h2> +<p data-sourcepos="10146:1-10147:29">GFM enables the <code>autolink</code> extension, where autolinks will be recognised in a +greater number of conditions.</p> +<p data-sourcepos="10149:1-10153:8">[Autolink]s can also be constructed without requiring the use of <code><</code> and to <code>></code> +to delimit them, although they will be recognized under a smaller set of +circumstances. All such recognized autolinks can only come at the beginning of +a line, after whitespace, or any of the delimiting characters <code>*</code>, <code>_</code>, <code>~</code>, +and <code>(</code>.</p> +<p data-sourcepos="10155:1-10161:73">An <a href="@">extended www autolink</a> will be recognized +when the text <code>www.</code> is found followed by a [valid domain]. +A <a href="@">valid domain</a> consists of segments +of alphanumeric characters, underscores (<code>_</code>) and hyphens (<code>-</code>) +separated by periods (<code>.</code>). +There must be at least one period, +and no underscores may be present in the last two segments of the domain.</p> +<p data-sourcepos="10163:1-10163:49">The scheme <code>http</code> will be inserted automatically:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10165:1-10167:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">www.commonmark.org</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10169:1-10171:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="http://www.commonmark.org">www.commonmark.org</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="10173:1-10173:77">After a [valid domain], zero or more non-space non-<code><</code> characters may follow:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10175:1-10177:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">Visit www.commonmark.org/help for more information.</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10179:1-10181:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>Visit <a href="http://www.commonmark.org/help">www.commonmark.org/help</a> for more information.</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="10183:1-10183:64">We then apply <a href="@">extended autolink path validation</a> as follows:</p> +<p data-sourcepos="10185:1-10187:21">Trailing punctuation (specifically, <code>?</code>, <code>!</code>, <code>.</code>, <code>,</code>, <code>:</code>, <code>*</code>, <code>_</code>, and <code>~</code>) +will not be considered part of the autolink, though they may be included in the +interior of the link:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10189:1-10193:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">Visit www.commonmark.org.</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">Visit www.commonmark.org/a.b.</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10195:1-10198:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>Visit <a href="http://www.commonmark.org">www.commonmark.org</a>.</p></span> +<span id="LC2" class="line" lang="plaintext"><p>Visit <a href="http://www.commonmark.org/a.b">www.commonmark.org/a.b</a>.</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="10200:1-10203:76">When an autolink ends in <code>)</code>, we scan the entire autolink for the total number +of parentheses. If there is a greater number of closing parentheses than +opening ones, we don't consider the unmatched trailing parentheses part of the +autolink, in order to facilitate including an autolink inside a parenthesis:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10205:1-10213:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">www.google.com/search?q=Markup+(business)</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">www.google.com/search?q=Markup+(business)))</span> +<span id="LC4" class="line" lang="plaintext"></span> +<span id="LC5" class="line" lang="plaintext">(www.google.com/search?q=Markup+(business))</span> +<span id="LC6" class="line" lang="plaintext"></span> +<span id="LC7" class="line" lang="plaintext">(www.google.com/search?q=Markup+(business)</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10215:1-10220:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="http://www.google.com/search?q=Markup+(business)">www.google.com/search?q=Markup+(business)</a></p></span> +<span id="LC2" class="line" lang="plaintext"><p><a href="http://www.google.com/search?q=Markup+(business)">www.google.com/search?q=Markup+(business)</a>))</p></span> +<span id="LC3" class="line" lang="plaintext"><p>(<a href="http://www.google.com/search?q=Markup+(business)">www.google.com/search?q=Markup+(business)</a>)</p></span> +<span id="LC4" class="line" lang="plaintext"><p>(<a href="http://www.google.com/search?q=Markup+(business)">www.google.com/search?q=Markup+(business)</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="10222:1-10224:8">This check is only done when the link ends in a closing parentheses <code>)</code>, so if +the only parentheses are in the interior of the autolink, no special rules are +applied:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10226:1-10228:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">www.google.com/search?q=(business))+ok</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10230:1-10232:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="http://www.google.com/search?q=(business))+ok">www.google.com/search?q=(business))+ok</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="10234:1-10237:13">If an autolink ends in a semicolon (<code>;</code>), we check to see if it appears to +resemble an [entity reference][entity references]; if the preceding text is <code>&</code> +followed by one or more alphanumeric characters. If so, it is excluded from +the autolink:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10239:1-10243:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">www.google.com/search?q=commonmark&hl=en</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">www.google.com/search?q=commonmark&hl;</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10245:1-10248:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="http://www.google.com/search?q=commonmark&amp;hl=en">www.google.com/search?q=commonmark&amp;hl=en</a></p></span> +<span id="LC2" class="line" lang="plaintext"><p><a href="http://www.google.com/search?q=commonmark">www.google.com/search?q=commonmark</a>&amp;hl;</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="10250:1-10250:33"><code><</code> immediately ends an autolink.</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10252:1-10254:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">www.commonmark.org/he<lp</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10256:1-10258:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="http://www.commonmark.org/he">www.commonmark.org/he</a>&lt;lp</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="10260:1-10263:36">An <a href="@">extended url autolink</a> will be recognised when one of the schemes +<code>http://</code>, <code>https://</code>, or <code>ftp://</code>, followed by a [valid domain], then zero or +more non-space non-<code><</code> characters according to +[extended autolink path validation]:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10265:1-10271:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">http://commonmark.org</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">(Visit https://encrypted.google.com/search?q=Markup+(business))</span> +<span id="LC4" class="line" lang="plaintext"></span> +<span id="LC5" class="line" lang="plaintext">Anonymous FTP is available at ftp://foo.bar.baz.</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10273:1-10277:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="http://commonmark.org">http://commonmark.org</a></p></span> +<span id="LC2" class="line" lang="plaintext"><p>(Visit <a href="https://encrypted.google.com/search?q=Markup+(business)">https://encrypted.google.com/search?q=Markup+(business)</a>)</p></span> +<span id="LC3" class="line" lang="plaintext"><p>Anonymous FTP is available at <a href="ftp://foo.bar.baz">ftp://foo.bar.baz</a>.</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="10280:1-10282:20">An <a href="@">extended email autolink</a> will be recognised when an email address is +recognised within any text node. Email addresses are recognised according to +the following rules:</p> +<ul data-sourcepos="10284:1-10290:0"> +<li data-sourcepos="10284:1-10284:75">One ore more characters which are alphanumeric, or <code>.</code>, <code>-</code>, <code>_</code>, or <code>+</code>.</li> +<li data-sourcepos="10285:1-10285:16">An <code>@</code> symbol.</li> +<li data-sourcepos="10286:1-10290:0">One or more characters which are alphanumeric, or <code>-</code> or <code>_</code>, +separated by periods (<code>.</code>). +There must be at least one period. +The last character must not be one of <code>-</code> or <code>_</code>.</li> +</ul> +<p data-sourcepos="10291:1-10291:71">The scheme <code>mailto:</code> will automatically be added to the generated link:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10293:1-10295:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo@bar.baz</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10297:1-10299:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="mailto:foo@bar.baz">foo@bar.baz</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="10301:1-10301:44"><code>+</code> can occur before the <code>@</code>, but not after.</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10303:1-10305:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">hello@mail+xyz.example isn't valid, but hello+xyz@mail.example is.</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10307:1-10309:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>hello@mail+xyz.example isn't valid, but <a href="mailto:hello+xyz@mail.example">hello+xyz@mail.example</a> is.</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="10311:1-10313:12"><code>.</code>, <code>-</code>, and <code>_</code> can occur on both sides of the <code>@</code>, but only <code>.</code> may occur at +the end of the email address, in which case it will not be considered part of +the address:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10315:1-10323:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">a.b-c_d@a.b</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">a.b-c_d@a.b.</span> +<span id="LC4" class="line" lang="plaintext"></span> +<span id="LC5" class="line" lang="plaintext">a.b-c_d@a.b-</span> +<span id="LC6" class="line" lang="plaintext"></span> +<span id="LC7" class="line" lang="plaintext">a.b-c_d@a.b_</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10325:1-10330:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="mailto:a.b-c_d@a.b">a.b-c_d@a.b</a></p></span> +<span id="LC2" class="line" lang="plaintext"><p><a href="mailto:a.b-c_d@a.b">a.b-c_d@a.b</a>.</p></span> +<span id="LC3" class="line" lang="plaintext"><p>a.b-c_d@a.b-</p></span> +<span id="LC4" class="line" lang="plaintext"><p>a.b-c_d@a.b_</p></span></code></pre> +<copy-code></copy-code> +</div> +</div> +<h2 data-sourcepos="10334:1-10334:11" dir="auto"> +<a id="user-content-raw-html" class="anchor" href="#raw-html" aria-hidden="true"></a>Raw HTML</h2> +<p data-sourcepos="10336:1-10339:57" dir="auto">Text between <code><</code> and <code>></code> that looks like an HTML tag is parsed as a +raw HTML tag and will be rendered in HTML without escaping. +Tag and attribute names are not limited to current HTML tags, +so custom tags (and even, say, DocBook tags) may be used.</p> +<p data-sourcepos="10341:1-10341:29" dir="auto">Here is the grammar for tags:</p> +<p data-sourcepos="10343:1-10345:14" dir="auto">A <a href="@">tag name</a> consists of an ASCII letter +followed by zero or more ASCII letters, digits, or +hyphens (<code>-</code>).</p> +<p data-sourcepos="10347:1-10349:32" dir="auto">An <a href="@">attribute</a> consists of [whitespace], +an [attribute name], and an optional +[attribute value specification].</p> +<p data-sourcepos="10351:1-10354:52" dir="auto">An <a href="@">attribute name</a> +consists of an ASCII letter, <code>_</code>, or <code>:</code>, followed by zero or more ASCII +letters, digits, <code>_</code>, <code>.</code>, <code>:</code>, or <code>-</code>. (Note: This is the XML +specification restricted to ASCII. HTML5 is laxer.)</p> +<p data-sourcepos="10356:1-10359:7" dir="auto">An <a href="@">attribute value specification</a> +consists of optional [whitespace], +a <code>=</code> character, optional [whitespace], and an [attribute +value].</p> +<p data-sourcepos="10361:1-10363:72" dir="auto">An <a href="@">attribute value</a> +consists of an [unquoted attribute value], +a [single-quoted attribute value], or a [double-quoted attribute value].</p> +<p data-sourcepos="10365:1-10367:60" dir="auto">An <a href="@">unquoted attribute value</a> +is a nonempty string of characters not +including [whitespace], <code>"</code>, <code>'</code>, <code>=</code>, <code><</code>, <code>></code>, or <code>`</code>.</p> +<p data-sourcepos="10369:1-10371:46" dir="auto">A <a href="@">single-quoted attribute value</a> +consists of <code>'</code>, zero or more +characters not including <code>'</code>, and a final <code>'</code>.</p> +<p data-sourcepos="10373:1-10375:46" dir="auto">A <a href="@">double-quoted attribute value</a> +consists of <code>"</code>, zero or more +characters not including <code>"</code>, and a final <code>"</code>.</p> +<p data-sourcepos="10377:1-10379:31" dir="auto">An <a href="@">open tag</a> consists of a <code><</code> character, a [tag name], +zero or more [attributes], optional [whitespace], an optional <code>/</code> +character, and a <code>></code> character.</p> +<p data-sourcepos="10381:1-10382:57" dir="auto">A <a href="@">closing tag</a> consists of the string <code></</code>, a +[tag name], optional [whitespace], and the character <code>></code>.</p> +<p data-sourcepos="10384:1-10387:63" dir="auto">An <a href="@">HTML comment</a> consists of <code><!--</code> + <em>text</em> + <code>--></code>, +where <em>text</em> does not start with <code>></code> or <code>-></code>, does not end with <code>-</code>, +and does not contain <code>--</code>. (See the +<a href="http://www.w3.org/TR/html5/syntax.html#comments" rel="nofollow noreferrer noopener" target="_blank">HTML5 spec</a>.)</p> +<p data-sourcepos="10389:1-10392:5" dir="auto">A <a href="@">processing instruction</a> +consists of the string <code><?</code>, a string +of characters not including the string <code>?></code>, and the string +<code>?></code>.</p> +<p data-sourcepos="10394:1-10397:37" dir="auto">A <a href="@">declaration</a> consists of the +string <code><!</code>, a name consisting of one or more uppercase ASCII letters, +[whitespace], a string of characters not including the +character <code>></code>, and the character <code>></code>.</p> +<p data-sourcepos="10399:1-10401:28" dir="auto">A <a href="@">CDATA section</a> consists of +the string <code><![CDATA[</code>, a string of characters not including the string +<code>]]></code>, and the string <code>]]></code>.</p> +<p data-sourcepos="10403:1-10405:21" dir="auto">An <a href="@">HTML tag</a> consists of an [open tag], a [closing tag], +an [HTML comment], a [processing instruction], a [declaration], +or a [CDATA section].</p> +<p data-sourcepos="10407:1-10407:31" dir="auto">Here are some simple open tags:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10409:1-10411:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><a><bab><c2c></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10413:1-10415:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a><bab><c2c></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="10418:1-10418:15" dir="auto">Empty elements:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10420:1-10422:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><a/><b2/></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10424:1-10426:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a/><b2/></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="10429:1-10429:24" dir="auto">[Whitespace] is allowed:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10431:1-10434:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><a /><b2</span> +<span id="LC2" class="line" lang="plaintext">data="foo" ></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10436:1-10439:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a /><b2</span> +<span id="LC2" class="line" lang="plaintext">data="foo" ></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="10442:1-10442:16" dir="auto">With attributes:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10444:1-10447:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><a foo="bar" bam = 'baz <em>"</em>'</span> +<span id="LC2" class="line" lang="plaintext">_boolean zoop:33=zoop:33 /></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10449:1-10452:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a foo="bar" bam = 'baz <em>"</em>'</span> +<span id="LC2" class="line" lang="plaintext">_boolean zoop:33=zoop:33 /></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="10455:1-10455:29" dir="auto">Custom tag names can be used:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10457:1-10459:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">Foo <responsive-image src="foo.jpg" /></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10461:1-10463:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>Foo <responsive-image src="foo.jpg" /></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="10466:1-10466:38" dir="auto">Illegal tag names, not parsed as HTML:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10468:1-10470:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><33> <__></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10472:1-10474:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>&lt;33&gt; &lt;__&gt;</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="10477:1-10477:24" dir="auto">Illegal attribute names:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10479:1-10481:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><a h*#ref="hi"></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10483:1-10485:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>&lt;a h*#ref=&quot;hi&quot;&gt;</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="10488:1-10488:25" dir="auto">Illegal attribute values:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10490:1-10492:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><a href="hi'> <a href=hi'></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10494:1-10496:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>&lt;a href=&quot;hi'&gt; &lt;a href=hi'&gt;</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="10499:1-10499:21" dir="auto">Illegal [whitespace]:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10501:1-10506:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">< a><</span> +<span id="LC2" class="line" lang="plaintext">foo><bar/ ></span> +<span id="LC3" class="line" lang="plaintext"><foo bar=baz</span> +<span id="LC4" class="line" lang="plaintext">bim!bop /></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10508:1-10513:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>&lt; a&gt;&lt;</span> +<span id="LC2" class="line" lang="plaintext">foo&gt;&lt;bar/ &gt;</span> +<span id="LC3" class="line" lang="plaintext">&lt;foo bar=baz</span> +<span id="LC4" class="line" lang="plaintext">bim!bop /&gt;</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="10516:1-10516:21" dir="auto">Missing [whitespace]:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10518:1-10520:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><a href='bar'title=title></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10522:1-10524:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>&lt;a href='bar'title=title&gt;</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="10527:1-10527:13" dir="auto">Closing tags:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10529:1-10531:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"></a></foo ></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10533:1-10535:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p></a></foo ></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="10538:1-10538:34" dir="auto">Illegal attributes in closing tag:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10540:1-10542:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"></a href="foo"></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10544:1-10546:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>&lt;/a href=&quot;foo&quot;&gt;</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="10549:1-10549:9" dir="auto">Comments:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10551:1-10554:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo <!-- this is a</span> +<span id="LC2" class="line" lang="plaintext">comment - with hyphen --></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10556:1-10559:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>foo <!-- this is a</span> +<span id="LC2" class="line" lang="plaintext">comment - with hyphen --></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10562:1-10564:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo <!-- not a comment -- two hyphens --></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10566:1-10568:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>foo &lt;!-- not a comment -- two hyphens --&gt;</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="10571:1-10571:13" dir="auto">Not comments:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10573:1-10577:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo <!--> foo --></span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">foo <!-- foo---></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10579:1-10582:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>foo &lt;!--&gt; foo --&gt;</p></span> +<span id="LC2" class="line" lang="plaintext"><p>foo &lt;!-- foo---&gt;</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="10585:1-10585:24" dir="auto">Processing instructions:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10587:1-10589:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo <?php echo $a; ?></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10591:1-10593:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>foo <?php echo $a; ?></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="10596:1-10596:13" dir="auto">Declarations:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10598:1-10600:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo <!ELEMENT br EMPTY></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10602:1-10604:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>foo <!ELEMENT br EMPTY></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="10607:1-10607:15" dir="auto">CDATA sections:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10609:1-10611:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo <![CDATA[>&<]]></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10613:1-10615:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>foo <![CDATA[>&<]]></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="10618:1-10619:11" dir="auto">Entity and numeric character references are preserved in HTML +attributes:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10621:1-10623:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo <a href="&ouml;"></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10625:1-10627:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>foo <a href="&ouml;"></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="10630:1-10630:49" dir="auto">Backslash escapes do not work in HTML attributes:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10632:1-10634:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo <a href="\*"></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10636:1-10638:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>foo <a href="\*"></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10641:1-10643:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><a href="\""></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10645:1-10647:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>&lt;a href=&quot;&quot;&quot;&gt;</p></span></code></pre> +<copy-code></copy-code> +</div> +<div> +<h2 data-sourcepos="10652:1-10652:34"> +<a id="user-content-disallowed-raw-html-extension" class="anchor" href="#disallowed-raw-html-extension" aria-hidden="true"></a>Disallowed Raw HTML (extension)</h2> +<p data-sourcepos="10654:1-10655:36">GFM enables the <code>tagfilter</code> extension, where the following HTML tags will be +filtered when rendering HTML output:</p> +<ul data-sourcepos="10657:1-10666:0"> +<li data-sourcepos="10657:1-10657:11"><code><title></code></li> +<li data-sourcepos="10658:1-10658:14"><code><textarea></code></li> +<li data-sourcepos="10659:1-10659:11"><code><style></code></li> +<li data-sourcepos="10660:1-10660:9"><code><xmp></code></li> +<li data-sourcepos="10661:1-10661:12"><code><iframe></code></li> +<li data-sourcepos="10662:1-10662:13"><code><noembed></code></li> +<li data-sourcepos="10663:1-10663:14"><code><noframes></code></li> +<li data-sourcepos="10664:1-10664:12"><code><script></code></li> +<li data-sourcepos="10665:1-10666:0"><code><plaintext></code></li> +</ul> +<p data-sourcepos="10667:1-10670:71">Filtering is done by replacing the leading <code><</code> with the entity <code>&lt;</code>. These +tags are chosen in particular as they change how HTML is interpreted in a way +unique to them (i.e. nested HTML is interpreted differently), and this is +usually undesireable in the context of other rendered Markdown content.</p> +<p data-sourcepos="10672:1-10672:39">All other HTML tags are left untouched.</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10674:1-10680:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><strong> <title> <style> <em></span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext"><blockquote></span> +<span id="LC4" class="line" lang="plaintext"> <xmp> is disallowed. <XMP> is also disallowed.</span> +<span id="LC5" class="line" lang="plaintext"></blockquote></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10682:1-10687:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><strong> &lt;title> &lt;style> <em></p></span> +<span id="LC2" class="line" lang="plaintext"><blockquote></span> +<span id="LC3" class="line" lang="plaintext"> &lt;xmp> is disallowed. &lt;XMP> is also disallowed.</span> +<span id="LC4" class="line" lang="plaintext"></blockquote></span></code></pre> +<copy-code></copy-code> +</div> +</div> +<h2 data-sourcepos="10691:1-10691:19" dir="auto"> +<a id="user-content-hard-line-breaks" class="anchor" href="#hard-line-breaks" aria-hidden="true"></a>Hard line breaks</h2> +<p data-sourcepos="10693:1-10696:27" dir="auto">A line break (not in a code span or HTML tag) that is preceded +by two or more spaces and does not occur at the end of a block +is parsed as a <a href="@">hard line break</a> (rendered +in HTML as a <code><br /></code> tag):</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10698:1-10701:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo </span> +<span id="LC2" class="line" lang="plaintext">baz</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10703:1-10706:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>foo<br /></span> +<span id="LC2" class="line" lang="plaintext">baz</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="10709:1-10710:48" dir="auto">For a more visible alternative, a backslash before the +[line ending] may be used instead of two spaces:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10712:1-10715:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo\</span> +<span id="LC2" class="line" lang="plaintext">baz</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10717:1-10720:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>foo<br /></span> +<span id="LC2" class="line" lang="plaintext">baz</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="10723:1-10723:33" dir="auto">More than two spaces can be used:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10725:1-10728:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo </span> +<span id="LC2" class="line" lang="plaintext">baz</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10730:1-10733:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>foo<br /></span> +<span id="LC2" class="line" lang="plaintext">baz</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="10736:1-10736:61" dir="auto">Leading spaces at the beginning of the next line are ignored:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10738:1-10741:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo </span> +<span id="LC2" class="line" lang="plaintext"> bar</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10743:1-10746:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>foo<br /></span> +<span id="LC2" class="line" lang="plaintext">bar</p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10749:1-10752:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo\</span> +<span id="LC2" class="line" lang="plaintext"> bar</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10754:1-10757:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>foo<br /></span> +<span id="LC2" class="line" lang="plaintext">bar</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="10760:1-10761:26" dir="auto">Line breaks can occur inside emphasis, links, and other constructs +that allow inline content:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10763:1-10766:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">*foo </span> +<span id="LC2" class="line" lang="plaintext">bar*</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10768:1-10771:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><em>foo<br /></span> +<span id="LC2" class="line" lang="plaintext">bar</em></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10774:1-10777:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">*foo\</span> +<span id="LC2" class="line" lang="plaintext">bar*</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10779:1-10782:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><em>foo<br /></span> +<span id="LC2" class="line" lang="plaintext">bar</em></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="10785:1-10785:42" dir="auto">Line breaks do not occur inside code spans</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10787:1-10790:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">`code </span> +<span id="LC2" class="line" lang="plaintext">span`</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10792:1-10794:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><code>code span</code></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10797:1-10800:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">`code\</span> +<span id="LC2" class="line" lang="plaintext">span`</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10802:1-10804:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><code>code\ span</code></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="10807:1-10807:13" dir="auto">or HTML tags:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10809:1-10812:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><a href="foo </span> +<span id="LC2" class="line" lang="plaintext">bar"></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10814:1-10817:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="foo </span> +<span id="LC2" class="line" lang="plaintext">bar"></p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10820:1-10823:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><a href="foo\</span> +<span id="LC2" class="line" lang="plaintext">bar"></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10825:1-10828:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="foo\</span> +<span id="LC2" class="line" lang="plaintext">bar"></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="10831:1-10833:20" dir="auto">Hard line breaks are for separating inline content within a block. +Neither syntax for hard line breaks works at the end of a paragraph or +other block element:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10835:1-10837:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo\</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10839:1-10841:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>foo\</p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10844:1-10846:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo </span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10848:1-10850:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>foo</p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10853:1-10855:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">### foo\</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10857:1-10859:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><h3>foo\</h3></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10862:1-10864:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">### foo </span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10866:1-10868:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><h3>foo</h3></span></code></pre> +<copy-code></copy-code> +</div> +<h2 data-sourcepos="10871:1-10871:19" dir="auto"> +<a id="user-content-soft-line-breaks" class="anchor" href="#soft-line-breaks" aria-hidden="true"></a>Soft line breaks</h2> +<p data-sourcepos="10873:1-10877:62" dir="auto">A regular line break (not in a code span or HTML tag) that is not +preceded by two or more spaces or a backslash is parsed as a +<a href="@">softbreak</a>. (A softbreak may be rendered in HTML either as a +[line ending] or as a space. The result will be the same in +browsers. In the examples here, a [line ending] will be used.)</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10879:1-10882:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo</span> +<span id="LC2" class="line" lang="plaintext">baz</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10884:1-10887:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>foo</span> +<span id="LC2" class="line" lang="plaintext">baz</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="10890:1-10891:8" dir="auto">Spaces at the end of the line and beginning of the next line are +removed:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10893:1-10896:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">foo </span> +<span id="LC2" class="line" lang="plaintext"> baz</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10898:1-10901:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>foo</span> +<span id="LC2" class="line" lang="plaintext">baz</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="10904:1-10905:25" dir="auto">A conforming parser may render a soft line break in HTML either as a +line break or as a space.</p> +<p data-sourcepos="10907:1-10908:20" dir="auto">A renderer may also provide an option to render soft line breaks +as hard line breaks.</p> +<h2 data-sourcepos="10910:1-10910:18" dir="auto"> +<a id="user-content-textual-content" class="anchor" href="#textual-content" aria-hidden="true"></a>Textual content</h2> +<p data-sourcepos="10912:1-10913:35" dir="auto">Any characters not given an interpretation by the above rules will +be parsed as plain textual content.</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10915:1-10917:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">hello $.;'there</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10919:1-10921:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>hello $.;'there</p></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10924:1-10926:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">Foo χρῆν</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10928:1-10930:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>Foo χρῆν</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="10933:1-10933:39" dir="auto">Internal spaces are preserved verbatim:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10935:1-10937:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">Multiple spaces</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10939:1-10941:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>Multiple spaces</p></span></code></pre> +<copy-code></copy-code> +</div> +<h1 data-sourcepos="10944:1-10944:40" dir="auto"> +<a id="user-content-gitlab-official-specification-markdown" class="anchor" href="#gitlab-official-specification-markdown" aria-hidden="true"></a>GitLab Official Specification Markdown</h1> +<p data-sourcepos="10946:1-10949:104" dir="auto">Currently, only some of the GitLab-specific markdown features are +listed in this section. We may eventually add all +GitLab-specific features currently listed as supported in the +<a href="https://docs.gitlab.com/ee/user/markdown.html" rel="nofollow noreferrer noopener" target="_blank">user-facing documentation for GitLab Flavored Markdown</a>.</p> +<p data-sourcepos="10951:1-10952:69" dir="auto">There is currently only this single top-level heading, but the +examples may be split into multiple top-level headings in the future.</p> +<h2 data-sourcepos="10954:1-10954:12" dir="auto"> +<a id="user-content-footnotes" class="anchor" href="#footnotes" aria-hidden="true"></a>Footnotes</h2> +<p data-sourcepos="10956:1-10957:143" dir="auto">See +<a href="https://docs.gitlab.com/ee/user/markdown.html#footnotes" rel="nofollow noreferrer noopener" target="_blank">the footnotes section of the user-facing documentation for GitLab Flavored Markdown</a>.</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10959:1-10963:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">footnote reference tag [^fortytwo]</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">[^fortytwo]: footnote text</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="10965:1-10985:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p></span> +<span id="LC2" class="line" lang="plaintext">footnote reference tag</span> +<span id="LC3" class="line" lang="plaintext"><sup></span> +<span id="LC4" class="line" lang="plaintext"><a href="#fn-fortytwo-42" id="fnref-fortytwo-42" data-footnote-ref></span> +<span id="LC5" class="line" lang="plaintext">1</span> +<span id="LC6" class="line" lang="plaintext"></a></span> +<span id="LC7" class="line" lang="plaintext"></sup></span> +<span id="LC8" class="line" lang="plaintext"></p></span> +<span id="LC9" class="line" lang="plaintext"><section data-footnotes></span> +<span id="LC10" class="line" lang="plaintext"><ol></span> +<span id="LC11" class="line" lang="plaintext"><li id="fn-fortytwo-42"></span> +<span id="LC12" class="line" lang="plaintext"><p></span> +<span id="LC13" class="line" lang="plaintext">footnote text</span> +<span id="LC14" class="line" lang="plaintext"><a href="#fnref-fortytwo-42" data-footnote-backref></span> +<span id="LC15" class="line" lang="plaintext"></a></span> +<span id="LC16" class="line" lang="plaintext"></p></span> +<span id="LC17" class="line" lang="plaintext"></li></span> +<span id="LC18" class="line" lang="plaintext"></ol></span> +<span id="LC19" class="line" lang="plaintext"></section></span></code></pre> +<copy-code></copy-code> +</div> +<h2 data-sourcepos="10987:1-10987:18" dir="auto"> +<a id="user-content-task-list-items" class="anchor" href="#task-list-items" aria-hidden="true"></a>Task list items</h2> +<p data-sourcepos="10989:1-10990:117" dir="auto">See +<a href="https://docs.gitlab.com/ee/user/markdown.html#task-lists" rel="nofollow noreferrer noopener" target="_blank">Task lists</a> in the GitLab Flavored Markdown documentation.</p> +<p data-sourcepos="10992:1-10995:39" dir="auto">Task list items (checkboxes) are defined as a GitHub Flavored Markdown extension in a section above. +GitLab extends the behavior of task list items to support additional features. +Some of these features are in-progress, and should not yet be considered part of the official +GitLab Flavored Markdown specification.</p> +<p data-sourcepos="10997:1-10997:85" dir="auto">Some of the behavior of task list items is implemented as client-side JavaScript/CSS.</p> +<p data-sourcepos="10999:1-10999:80" dir="auto">The following are some basic examples; more examples may be added in the future.</p> +<p data-sourcepos="11001:1-11001:16" dir="auto">Incomplete task:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="11003:1-11005:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- [ ] incomplete</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="11007:1-11015:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ul></span> +<span id="LC2" class="line" lang="plaintext"><li></span> +<span id="LC3" class="line" lang="plaintext"><task-button/></span> +<span id="LC4" class="line" lang="plaintext"><input type="checkbox" disabled/></span> +<span id="LC5" class="line" lang="plaintext">incomplete</span> +<span id="LC6" class="line" lang="plaintext"></li></span> +<span id="LC7" class="line" lang="plaintext"></ul></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="11017:1-11017:15" dir="auto">Completed task:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="11019:1-11021:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- [x] completed</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="11023:1-11031:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ul></span> +<span id="LC2" class="line" lang="plaintext"><li></span> +<span id="LC3" class="line" lang="plaintext"><task-button/></span> +<span id="LC4" class="line" lang="plaintext"><input type="checkbox" checked disabled/></span> +<span id="LC5" class="line" lang="plaintext">completed</span> +<span id="LC6" class="line" lang="plaintext"></li></span> +<span id="LC7" class="line" lang="plaintext"></ul></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="11033:1-11033:18" dir="auto">Inapplicable task:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="11035:1-11037:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- [~] inapplicable</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="11039:1-11049:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ul></span> +<span id="LC2" class="line" lang="plaintext"><li></span> +<span id="LC3" class="line" lang="plaintext"><task-button/></span> +<span id="LC4" class="line" lang="plaintext"><input type="checkbox" data-inapplicable disabled></span> +<span id="LC5" class="line" lang="plaintext"><s></span> +<span id="LC6" class="line" lang="plaintext">inapplicable</span> +<span id="LC7" class="line" lang="plaintext"></s></span> +<span id="LC8" class="line" lang="plaintext"></li></span> +<span id="LC9" class="line" lang="plaintext"></ul></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="11051:1-11052:50" dir="auto">Inapplicable task in a "loose" list. Note that the <code><del></code> tag is not applied to the +loose text; it has strikethrough applied with CSS.</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="11054:1-11058:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- [~] inapplicable</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext"> text in loose list</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="11060:1-11075:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ul></span> +<span id="LC2" class="line" lang="plaintext"><li></span> +<span id="LC3" class="line" lang="plaintext"><p></span> +<span id="LC4" class="line" lang="plaintext"><task-button/></span> +<span id="LC5" class="line" lang="plaintext"><input type="checkbox" data-inapplicable disabled></span> +<span id="LC6" class="line" lang="plaintext"><s></span> +<span id="LC7" class="line" lang="plaintext">inapplicable</span> +<span id="LC8" class="line" lang="plaintext"></s></span> +<span id="LC9" class="line" lang="plaintext"></p></span> +<span id="LC10" class="line" lang="plaintext"><p></span> +<span id="LC11" class="line" lang="plaintext">text in loose list</span> +<span id="LC12" class="line" lang="plaintext"></p></span> +<span id="LC13" class="line" lang="plaintext"></li></span> +<span id="LC14" class="line" lang="plaintext"></ul></span></code></pre> +<copy-code></copy-code> +</div> +<h2 data-sourcepos="11077:1-11077:15" dir="auto"> +<a id="user-content-front-matter" class="anchor" href="#front-matter" aria-hidden="true"></a>Front matter</h2> +<p data-sourcepos="11079:1-11080:121" dir="auto">See +<a href="https://docs.gitlab.com/ee/user/markdown.html#front-matter" rel="nofollow noreferrer noopener" target="_blank">Front matter</a> in the GitLab Flavored Markdown documentation.</p> +<p data-sourcepos="11082:1-11083:95" dir="auto">Front matter is metadata included at the beginning of a Markdown document, preceding the content. +This data can be used by static site generators like Jekyll, Hugo, and many other applications.</p> +<p data-sourcepos="11085:1-11085:18" dir="auto">YAML front matter:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="11087:1-11091:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">---</span> +<span id="LC2" class="line" lang="plaintext">title: YAML front matter</span> +<span id="LC3" class="line" lang="plaintext">---</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="11093:1-11099:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><pre></span> +<span id="LC2" class="line" lang="plaintext"><code></span> +<span id="LC3" class="line" lang="plaintext">title: YAML front matter</span> +<span id="LC4" class="line" lang="plaintext"></code></span> +<span id="LC5" class="line" lang="plaintext"></pre></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="11101:1-11101:18" dir="auto">TOML front matter:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="11103:1-11107:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">+++</span> +<span id="LC2" class="line" lang="plaintext">title: TOML front matter</span> +<span id="LC3" class="line" lang="plaintext">+++</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="11109:1-11115:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><pre></span> +<span id="LC2" class="line" lang="plaintext"><code></span> +<span id="LC3" class="line" lang="plaintext">title: TOML front matter</span> +<span id="LC4" class="line" lang="plaintext"></code></span> +<span id="LC5" class="line" lang="plaintext"></pre></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="11117:1-11117:18" dir="auto">JSON front matter:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="11119:1-11125:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">;;;</span> +<span id="LC2" class="line" lang="plaintext">{</span> +<span id="LC3" class="line" lang="plaintext"> "title": "JSON front matter"</span> +<span id="LC4" class="line" lang="plaintext">}</span> +<span id="LC5" class="line" lang="plaintext">;;;</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="11127:1-11135:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><pre></span> +<span id="LC2" class="line" lang="plaintext"><code></span> +<span id="LC3" class="line" lang="plaintext">{</span> +<span id="LC4" class="line" lang="plaintext"> "title": "JSON front matter"</span> +<span id="LC5" class="line" lang="plaintext">}</span> +<span id="LC6" class="line" lang="plaintext"></code></span> +<span id="LC7" class="line" lang="plaintext"></pre></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="11137:1-11137:66" dir="auto">Front matter blocks should be inserted at the top of the document:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="11139:1-11145:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">text</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">---</span> +<span id="LC4" class="line" lang="plaintext">title: YAML front matter</span> +<span id="LC5" class="line" lang="plaintext">---</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="11147:1-11151:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>text</p></span> +<span id="LC2" class="line" lang="plaintext"><hr></span> +<span id="LC3" class="line" lang="plaintext"><h2>title: YAML front matter</h2></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="11153:1-11153:74" dir="auto">Front matter block delimiters shouldn’t be preceded by space characters:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="11155:1-11159:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> ---</span> +<span id="LC2" class="line" lang="plaintext">title: YAML front matter</span> +<span id="LC3" class="line" lang="plaintext">---</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="11161:1-11164:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><hr></span> +<span id="LC2" class="line" lang="plaintext"><h2>title: YAML front matter</h2></span></code></pre> +<copy-code></copy-code> +</div> +<h2 data-sourcepos="11166:1-11166:20" dir="auto"> +<a id="user-content-table-of-contents" class="anchor" href="#table-of-contents" aria-hidden="true"></a>Table of contents</h2> +<p data-sourcepos="11168:1-11170:46" dir="auto">See +<a href="https://docs.gitlab.com/ee/user/markdown.html#table-of-contents" rel="nofollow noreferrer noopener" target="_blank">table of contents</a> +in the GitLab Flavored Markdown documentation.</p> +<p data-sourcepos="11172:1-11173:58" dir="auto">A table of contents is an unordered list that links to subheadings in the document. +Add either the <code>[[_TOC_]]</code> or </p><ul class="section-nav"> +<li> +<a href="#preliminaries">Preliminaries</a><ul> +<li><a href="#characters-and-lines">Characters and lines</a></li> +<li><a href="#tabs">Tabs</a></li> +<li><a href="#insecure-characters">Insecure characters</a></li> +</ul> +</li> +<li> +<a href="#blocks-and-inlines">Blocks and inlines</a><ul> +<li><a href="#precedence">Precedence</a></li> +<li><a href="#container-blocks-and-leaf-blocks">Container blocks and leaf blocks</a></li> +</ul> +</li> +<li> +<a href="#leaf-blocks">Leaf blocks</a><ul> +<li><a href="#thematic-breaks">Thematic breaks</a></li> +<li><a href="#atx-headings">ATX headings</a></li> +<li><a href="#setext-headings">Setext headings</a></li> +<li><a href="#indented-code-blocks">Indented code blocks</a></li> +<li><a href="#fenced-code-blocks">Fenced code blocks</a></li> +<li><a href="#html-blocks">HTML blocks</a></li> +<li><a href="#link-reference-definitions">Link reference definitions</a></li> +<li><a href="#paragraphs">Paragraphs</a></li> +<li><a href="#blank-lines">Blank lines</a></li> +<li><a href="#tables-extension">Tables (extension)</a></li> +</ul> +</li> +<li> +<a href="#container-blocks">Container blocks</a><ul> +<li><a href="#block-quotes">Block quotes</a></li> +<li> +<a href="#list-items">List items</a><ul><li><a href="#motivation">Motivation</a></li></ul> +</li> +<li><a href="#task-list-items-extension">Task list items (extension)</a></li> +<li><a href="#lists">Lists</a></li> +</ul> +</li> +<li> +<a href="#inlines">Inlines</a><ul> +<li><a href="#backslash-escapes">Backslash escapes</a></li> +<li><a href="#entity-and-numeric-character-references">Entity and numeric character references</a></li> +<li><a href="#code-spans">Code spans</a></li> +<li><a href="#emphasis-and-strong-emphasis">Emphasis and strong emphasis</a></li> +<li><a href="#strikethrough-extension">Strikethrough (extension)</a></li> +<li><a href="#links">Links</a></li> +<li><a href="#images">Images</a></li> +<li><a href="#autolinks">Autolinks</a></li> +<li><a href="#autolinks-extension">Autolinks (extension)</a></li> +<li><a href="#raw-html">Raw HTML</a></li> +<li><a href="#disallowed-raw-html-extension">Disallowed Raw HTML (extension)</a></li> +<li><a href="#hard-line-breaks">Hard line breaks</a></li> +<li><a href="#soft-line-breaks">Soft line breaks</a></li> +<li><a href="#textual-content">Textual content</a></li> +</ul> +</li> +<li> +<a href="#gitlab-official-specification-markdown">GitLab Official Specification Markdown</a><ul> +<li><a href="#footnotes">Footnotes</a></li> +<li><a href="#task-list-items">Task list items</a></li> +<li><a href="#front-matter">Front matter</a></li> +<li><a href="#table-of-contents">Table of contents</a></li> +</ul> +</li> +<li> +<a href="#gitlab-internal-extension-markdown">GitLab Internal Extension Markdown</a><ul> +<li><a href="#audio">Audio</a></li> +<li><a href="#video">Video</a></li> +<li><a href="#markdown-preview-api-request-overrides">Markdown Preview API Request Overrides</a></li> +</ul> +</li> +</ul> tag on its own line. +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="11175:1-11181:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[TOC]</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext"># Heading 1</span> +<span id="LC4" class="line" lang="plaintext"></span> +<span id="LC5" class="line" lang="plaintext">## Heading 2</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="11183:1-11194:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><nav></span> +<span id="LC2" class="line" lang="plaintext"> <ul></span> +<span id="LC3" class="line" lang="plaintext"> <li><a href="#heading-1">Heading 1</a></li></span> +<span id="LC4" class="line" lang="plaintext"> <ul></span> +<span id="LC5" class="line" lang="plaintext"> <li><a href="#heading-2">Heading 2</a></li></span> +<span id="LC6" class="line" lang="plaintext"> </ul></span> +<span id="LC7" class="line" lang="plaintext"> </ul></span> +<span id="LC8" class="line" lang="plaintext"></nav></span> +<span id="LC9" class="line" lang="plaintext"><h1>Heading 1</h1></span> +<span id="LC10" class="line" lang="plaintext"><h2>Heading 2</h2></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="11196:1-11202:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[[_TOC_]]</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext"># Heading 1</span> +<span id="LC4" class="line" lang="plaintext"></span> +<span id="LC5" class="line" lang="plaintext">## Heading 2</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="11204:1-11215:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><nav></span> +<span id="LC2" class="line" lang="plaintext"> <ul></span> +<span id="LC3" class="line" lang="plaintext"> <li><a href="#heading-1">Heading 1</a></li></span> +<span id="LC4" class="line" lang="plaintext"> <ul></span> +<span id="LC5" class="line" lang="plaintext"> <li><a href="#heading-2">Heading 2</a></li></span> +<span id="LC6" class="line" lang="plaintext"> </ul></span> +<span id="LC7" class="line" lang="plaintext"> </ul></span> +<span id="LC8" class="line" lang="plaintext"></nav></span> +<span id="LC9" class="line" lang="plaintext"><h1>Heading 1</h1></span> +<span id="LC10" class="line" lang="plaintext"><h2>Heading 2</h2></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="11217:1-11218:5" dir="auto">A table of contents is a block element. It should preceded and followed by a blank +line.</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="11220:1-11226:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[[_TOC_]]</span> +<span id="LC2" class="line" lang="plaintext">text</span> +<span id="LC3" class="line" lang="plaintext"></span> +<span id="LC4" class="line" lang="plaintext">text</span> +<span id="LC5" class="line" lang="plaintext">[TOC]</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="11228:1-11231:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>[[<em>TOC</em>]]text</p></span> +<span id="LC2" class="line" lang="plaintext"><p>text[TOC]</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="11233:1-11233:60" dir="auto">A table of contents can be indented with up to three spaces.</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="11235:1-11239:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> [[_TOC_]]</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext"># Heading 1</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="11241:1-11248:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><nav></span> +<span id="LC2" class="line" lang="plaintext"> <ul></span> +<span id="LC3" class="line" lang="plaintext"> <li><a href="#heading-1">Heading 1</a></li></span> +<span id="LC4" class="line" lang="plaintext"> </ul></span> +<span id="LC5" class="line" lang="plaintext"></nav></span> +<span id="LC6" class="line" lang="plaintext"><h1>Heading 1</h1></span></code></pre> +<copy-code></copy-code> +</div> +<h1 data-sourcepos="11250:1-11250:36" dir="auto"> +<a id="user-content-gitlab-internal-extension-markdown" class="anchor" href="#gitlab-internal-extension-markdown" aria-hidden="true"></a>GitLab Internal Extension Markdown</h1> +<h2 data-sourcepos="11252:1-11252:8" dir="auto"> +<a id="user-content-audio" class="anchor" href="#audio" aria-hidden="true"></a>Audio</h2> +<p data-sourcepos="11254:1-11255:107" dir="auto">See +<a href="https://docs.gitlab.com/ee/user/markdown.html#audio" rel="nofollow noreferrer noopener" target="_blank">audio</a> in the GitLab Flavored Markdown documentation.</p> +<p data-sourcepos="11257:1-11259:63" dir="auto">GLFM renders image elements as an audio player as long as the resource’s file extension is +one of the following supported audio extensions <code>.mp3</code>, <code>.oga</code>, <code>.ogg</code>, <code>.spx</code>, and <code>.wav</code>. +Audio ignore the alternative text part of an image declaration.</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="11261:1-11263:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="11265:1-11267:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><audio src="audio.oga" title="audio title"></audio></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="11269:1-11269:41" dir="auto">Reference definitions work audio as well:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="11271:1-11275:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[audio]: audio.oga "audio title"</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">![audio][audio]</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="11277:1-11279:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><audio src="audio.oga" title="audio title"></audio></p></span></code></pre> +<copy-code></copy-code> +</div> +<h2 data-sourcepos="11281:1-11281:8" dir="auto"> +<a id="user-content-video" class="anchor" href="#video" aria-hidden="true"></a>Video</h2> +<p data-sourcepos="11283:1-11284:109" dir="auto">See +<a href="https://docs.gitlab.com/ee/user/markdown.html#videos" rel="nofollow noreferrer noopener" target="_blank">videos</a> in the GitLab Flavored Markdown documentation.</p> +<p data-sourcepos="11286:1-11288:64" dir="auto">GLFM renders image elements as a video player as long as the resource’s file extension is +one of the following supported video extensions <code>.mp4</code>, <code>.m4v</code>, <code>.mov</code>, <code>.webm</code>, and <code>.ogv</code>. +Videos ignore the alternative text part of an image declaration.</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="11291:1-11293:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="11295:1-11297:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><video src="video.m4v" title="video title"></video></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="11299:1-11299:41" dir="auto">Reference definitions work video as well:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="11301:1-11305:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[video]: video.mov "video title"</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">![video][video]</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="11307:1-11309:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><video src="video.mov" title="video title"></video></p></span></code></pre> +<copy-code></copy-code> +</div> +<h2 data-sourcepos="11311:1-11311:41" dir="auto"> +<a id="user-content-markdown-preview-api-request-overrides" class="anchor" href="#markdown-preview-api-request-overrides" aria-hidden="true"></a>Markdown Preview API Request Overrides</h2> +<p data-sourcepos="11313:1-11315:42" dir="auto">This section contains examples of all controllers which use <code>PreviewMarkdown</code> module +and use different <code>markdown_context_params</code>. They exercise the various <code>preview_markdown</code> +endpoints via <code>glfm_example_metadata.yml</code>.</p> +<p data-sourcepos="11318:1-11318:75" dir="auto"><code>preview_markdown</code> exercising <code>groups</code> API endpoint and <code>UploadLinkFilter</code>:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="11320:1-11322:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[groups-test-file](/uploads/groups-test-file)</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="11324:1-11326:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="groups-test-file">groups-test-file</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="11328:1-11328:81" dir="auto"><code>preview_markdown</code> exercising <code>projects</code> API endpoint and <code>RepositoryLinkFilter</code>:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="11330:1-11332:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[projects-test-file](projects-test-file)</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="11334:1-11336:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="projects-test-file">projects-test-file</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="11338:1-11338:83" dir="auto"><code>preview_markdown</code> exercising <code>projects</code> API endpoint and <code>SnippetReferenceFilter</code>:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="11340:1-11342:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">This project snippet ID reference IS filtered: $88888</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="11344:1-11346:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>This project snippet ID reference IS filtered: $88888</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="11348:1-11351:50" dir="auto"><code>preview_markdown</code> exercising personal (non-project) <code>snippets</code> API endpoint. This is +only used by the comment field on personal snippets. It has no unique custom markdown +extension behavior, and specifically does not render snippet references via +<code>SnippetReferenceFilter</code>, even if the ID is valid.</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="11353:1-11355:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">This personal snippet ID reference is not filtered: $99999</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="11357:1-11359:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>This personal snippet ID reference is not filtered: $99999</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="11361:1-11361:80" dir="auto"><code>preview_markdown</code> exercising project <code>wikis</code> API endpoint and <code>WikiLinkFilter</code>:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="11363:1-11365:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[project-wikis-test-file](project-wikis-test-file)</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="11367:1-11369:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="project-wikis-test-file">project-wikis-test-file</a></p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="11371:1-11372:63" dir="auto"><code>preview_markdown</code> exercising group <code>wikis</code> API endpoint and <code>WikiLinkFilter</code>. This example +also requires an EE license enabling the <code>group_wikis</code> feature:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="11374:1-11376:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[group-wikis-test-file](group-wikis-test-file)</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="11378:1-11380:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p><a href="group-wikis-test-file">group-wikis-test-file</a></p></span></code></pre> +<copy-code></copy-code> +</div> diff --git a/glfm_specification/output/spec.txt b/glfm_specification/output_example_snapshots/snapshot_spec.md index a8565b15bc3..ed96c36a58a 100644 --- a/glfm_specification/output/spec.txt +++ b/glfm_specification/output_example_snapshots/snapshot_spec.md @@ -2,11 +2,6 @@ title: GitLab Flavored Markdown (GLFM) Spec version: alpha ... - -# Introduction - -TODO: Write a GitLab-specific version of the GitHub Flavored Markdown intro section. - # Preliminaries ## Characters and lines @@ -9603,7 +9598,7 @@ Multiple spaces # GitLab Official Specification Markdown Currently, only some of the GitLab-specific markdown features are -listed in this section. We will eventually add all +listed in this section. We may eventually add all GitLab-specific features currently listed as supported in the [user-facing documentation for GitLab Flavored Markdown](https://docs.gitlab.com/ee/user/markdown.html). @@ -9989,342 +9984,3 @@ also requires an EE license enabling the `group_wikis` feature: . <p><a href="group-wikis-test-file">group-wikis-test-file</a></p> ```````````````````````````````` - -<!-- END TESTS --> - -# Appendix: A parsing strategy - -In this appendix we describe some features of the parsing strategy -used in the CommonMark reference implementations. - -## Overview - -Parsing has two phases: - -1. In the first phase, lines of input are consumed and the block -structure of the document---its division into paragraphs, block quotes, -list items, and so on---is constructed. Text is assigned to these -blocks but not parsed. Link reference definitions are parsed and a -map of links is constructed. - -2. In the second phase, the raw text contents of paragraphs and headings -are parsed into sequences of Markdown inline elements (strings, -code spans, links, emphasis, and so on), using the map of link -references constructed in phase 1. - -At each point in processing, the document is represented as a tree of -**blocks**. The root of the tree is a `document` block. The `document` -may have any number of other blocks as **children**. These children -may, in turn, have other blocks as children. The last child of a block -is normally considered **open**, meaning that subsequent lines of input -can alter its contents. (Blocks that are not open are **closed**.) -Here, for example, is a possible document tree, with the open blocks -marked by arrows: - -``` tree --> document - -> block_quote - paragraph - "Lorem ipsum dolor\nsit amet." - -> list (type=bullet tight=true bullet_char=-) - list_item - paragraph - "Qui *quodsi iracundia*" - -> list_item - -> paragraph - "aliquando id" -``` - -## Phase 1: block structure - -Each line that is processed has an effect on this tree. The line is -analyzed and, depending on its contents, the document may be altered -in one or more of the following ways: - -1. One or more open blocks may be closed. -2. One or more new blocks may be created as children of the - last open block. -3. Text may be added to the last (deepest) open block remaining - on the tree. - -Once a line has been incorporated into the tree in this way, -it can be discarded, so input can be read in a stream. - -For each line, we follow this procedure: - -1. First we iterate through the open blocks, starting with the -root document, and descending through last children down to the last -open block. Each block imposes a condition that the line must satisfy -if the block is to remain open. For example, a block quote requires a -`>` character. A paragraph requires a non-blank line. -In this phase we may match all or just some of the open -blocks. But we cannot close unmatched blocks yet, because we may have a -[lazy continuation line]. - -2. Next, after consuming the continuation markers for existing -blocks, we look for new block starts (e.g. `>` for a block quote). -If we encounter a new block start, we close any blocks unmatched -in step 1 before creating the new block as a child of the last -matched block. - -3. Finally, we look at the remainder of the line (after block -markers like `>`, list markers, and indentation have been consumed). -This is text that can be incorporated into the last open -block (a paragraph, code block, heading, or raw HTML). - -Setext headings are formed when we see a line of a paragraph -that is a [setext heading underline]. - -Reference link definitions are detected when a paragraph is closed; -the accumulated text lines are parsed to see if they begin with -one or more reference link definitions. Any remainder becomes a -normal paragraph. - -We can see how this works by considering how the tree above is -generated by four lines of Markdown: - -``` markdown -> Lorem ipsum dolor -sit amet. -> - Qui *quodsi iracundia* -> - aliquando id -``` - -At the outset, our document model is just - -``` tree --> document -``` - -The first line of our text, - -``` markdown -> Lorem ipsum dolor -``` - -causes a `block_quote` block to be created as a child of our -open `document` block, and a `paragraph` block as a child of -the `block_quote`. Then the text is added to the last open -block, the `paragraph`: - -``` tree --> document - -> block_quote - -> paragraph - "Lorem ipsum dolor" -``` - -The next line, - -``` markdown -sit amet. -``` - -is a "lazy continuation" of the open `paragraph`, so it gets added -to the paragraph's text: - -``` tree --> document - -> block_quote - -> paragraph - "Lorem ipsum dolor\nsit amet." -``` - -The third line, - -``` markdown -> - Qui *quodsi iracundia* -``` - -causes the `paragraph` block to be closed, and a new `list` block -opened as a child of the `block_quote`. A `list_item` is also -added as a child of the `list`, and a `paragraph` as a child of -the `list_item`. The text is then added to the new `paragraph`: - -``` tree --> document - -> block_quote - paragraph - "Lorem ipsum dolor\nsit amet." - -> list (type=bullet tight=true bullet_char=-) - -> list_item - -> paragraph - "Qui *quodsi iracundia*" -``` - -The fourth line, - -``` markdown -> - aliquando id -``` - -causes the `list_item` (and its child the `paragraph`) to be closed, -and a new `list_item` opened up as child of the `list`. A `paragraph` -is added as a child of the new `list_item`, to contain the text. -We thus obtain the final tree: - -``` tree --> document - -> block_quote - paragraph - "Lorem ipsum dolor\nsit amet." - -> list (type=bullet tight=true bullet_char=-) - list_item - paragraph - "Qui *quodsi iracundia*" - -> list_item - -> paragraph - "aliquando id" -``` - -## Phase 2: inline structure - -Once all of the input has been parsed, all open blocks are closed. - -We then "walk the tree," visiting every node, and parse raw -string contents of paragraphs and headings as inlines. At this -point we have seen all the link reference definitions, so we can -resolve reference links as we go. - -``` tree -document - block_quote - paragraph - str "Lorem ipsum dolor" - softbreak - str "sit amet." - list (type=bullet tight=true bullet_char=-) - list_item - paragraph - str "Qui " - emph - str "quodsi iracundia" - list_item - paragraph - str "aliquando id" -``` - -Notice how the [line ending] in the first paragraph has -been parsed as a `softbreak`, and the asterisks in the first list item -have become an `emph`. - -### An algorithm for parsing nested emphasis and links - -By far the trickiest part of inline parsing is handling emphasis, -strong emphasis, links, and images. This is done using the following -algorithm. - -When we're parsing inlines and we hit either - -- a run of `*` or `_` characters, or -- a `[` or `. - -The [delimiter stack] is a doubly linked list. Each -element contains a pointer to a text node, plus information about - -- the type of delimiter (`[`, `![`, `*`, `_`) -- the number of delimiters, -- whether the delimiter is "active" (all are active to start), and -- whether the delimiter is a potential opener, a potential closer, - or both (which depends on what sort of characters precede - and follow the delimiters). - -When we hit a `]` character, we call the *look for link or image* -procedure (see below). - -When we hit the end of the input, we call the *process emphasis* -procedure (see below), with `stack_bottom` = NULL. - -#### *look for link or image* - -Starting at the top of the delimiter stack, we look backwards -through the stack for an opening `[` or `![` delimiter. - -- If we don't find one, we return a literal text node `]`. - -- If we do find one, but it's not *active*, we remove the inactive - delimiter from the stack, and return a literal text node `]`. - -- If we find one and it's active, then we parse ahead to see if - we have an inline link/image, reference link/image, compact reference - link/image, or shortcut reference link/image. - - + If we don't, then we remove the opening delimiter from the - delimiter stack and return a literal text node `]`. - - + If we do, then - - * We return a link or image node whose children are the inlines - after the text node pointed to by the opening delimiter. - - * We run *process emphasis* on these inlines, with the `[` opener - as `stack_bottom`. - - * We remove the opening delimiter. - - * If we have a link (and not an image), we also set all - `[` delimiters before the opening delimiter to *inactive*. (This - will prevent us from getting links within links.) - -#### *process emphasis* - -Parameter `stack_bottom` sets a lower bound to how far we -descend in the [delimiter stack]. If it is NULL, we can -go all the way to the bottom. Otherwise, we stop before -visiting `stack_bottom`. - -Let `current_position` point to the element on the [delimiter stack] -just above `stack_bottom` (or the first element if `stack_bottom` -is NULL). - -We keep track of the `openers_bottom` for each delimiter -type (`*`, `_`) and each length of the closing delimiter run -(modulo 3). Initialize this to `stack_bottom`. - -Then we repeat the following until we run out of potential -closers: - -- Move `current_position` forward in the delimiter stack (if needed) - until we find the first potential closer with delimiter `*` or `_`. - (This will be the potential closer closest - to the beginning of the input -- the first one in parse order.) - -- Now, look back in the stack (staying above `stack_bottom` and - the `openers_bottom` for this delimiter type) for the - first matching potential opener ("matching" means same delimiter). - -- If one is found: - - + Figure out whether we have emphasis or strong emphasis: - if both closer and opener spans have length >= 2, we have - strong, otherwise regular. - - + Insert an emph or strong emph node accordingly, after - the text node corresponding to the opener. - - + Remove any delimiters between the opener and closer from - the delimiter stack. - - + Remove 1 (for regular emph) or 2 (for strong emph) delimiters - from the opening and closing text nodes. If they become empty - as a result, remove them and remove the corresponding element - of the delimiter stack. If the closing node is removed, reset - `current_position` to the next element in the stack. - -- If none is found: - - + Set `openers_bottom` to the element before `current_position`. - (We know that there are no openers for this kind of closer up to and - including this point, so this puts a lower bound on future searches.) - - + If the closer at `current_position` is not a potential opener, - remove it from the delimiter stack (since we know it can't - be a closer either). - - + Advance `current_position` to the next element in the stack. - -After we're done, we remove all delimiters above `stack_bottom` from the -delimiter stack. diff --git a/glfm_specification/output_spec/spec.html b/glfm_specification/output_spec/spec.html new file mode 100644 index 00000000000..a10b7f91d91 --- /dev/null +++ b/glfm_specification/output_spec/spec.html @@ -0,0 +1,304 @@ +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="1:1-4:3" lang="yaml" class="code highlight js-syntax-highlight language-yaml" data-lang-params="frontmatter" v-pre="true"><code><span id="LC1" class="line" lang="yaml"><span class="na">title</span><span class="pi">:</span> <span class="s">GitLab Flavored Markdown (GLFM) Spec</span></span> +<span id="LC2" class="line" lang="yaml"><span class="na">version</span><span class="pi">:</span> <span class="s">alpha</span></span></code></pre> +<copy-code></copy-code> +</div> +<h1 data-sourcepos="5:1-5:14" dir="auto"> +<a id="user-content-introduction" class="anchor" href="#introduction" aria-hidden="true"></a>Introduction</h1> +<p data-sourcepos="7:1-7:84" dir="auto">TODO: Write a GitLab-specific version of the GitHub Flavored Markdown intro section.</p> + +<h1 data-sourcepos="10:1-10:40" dir="auto"> +<a id="user-content-gitlab-official-specification-markdown" class="anchor" href="#gitlab-official-specification-markdown" aria-hidden="true"></a>GitLab Official Specification Markdown</h1> +<p data-sourcepos="12:1-15:104" dir="auto">Currently, only some of the GitLab-specific markdown features are +listed in this section. We may eventually add all +GitLab-specific features currently listed as supported in the +<a href="https://docs.gitlab.com/ee/user/markdown.html" rel="nofollow noreferrer noopener" target="_blank">user-facing documentation for GitLab Flavored Markdown</a>.</p> +<p data-sourcepos="17:1-18:69" dir="auto">There is currently only this single top-level heading, but the +examples may be split into multiple top-level headings in the future.</p> +<h2 data-sourcepos="20:1-20:12" dir="auto"> +<a id="user-content-footnotes" class="anchor" href="#footnotes" aria-hidden="true"></a>Footnotes</h2> +<p data-sourcepos="22:1-23:143" dir="auto">See +<a href="https://docs.gitlab.com/ee/user/markdown.html#footnotes" rel="nofollow noreferrer noopener" target="_blank">the footnotes section of the user-facing documentation for GitLab Flavored Markdown</a>.</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="25:1-29:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">footnote reference tag [^fortytwo]</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">[^fortytwo]: footnote text</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="31:1-51:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p></span> +<span id="LC2" class="line" lang="plaintext">footnote reference tag</span> +<span id="LC3" class="line" lang="plaintext"><sup></span> +<span id="LC4" class="line" lang="plaintext"><a href="#fn-fortytwo-42" id="fnref-fortytwo-42" data-footnote-ref></span> +<span id="LC5" class="line" lang="plaintext">1</span> +<span id="LC6" class="line" lang="plaintext"></a></span> +<span id="LC7" class="line" lang="plaintext"></sup></span> +<span id="LC8" class="line" lang="plaintext"></p></span> +<span id="LC9" class="line" lang="plaintext"><section data-footnotes></span> +<span id="LC10" class="line" lang="plaintext"><ol></span> +<span id="LC11" class="line" lang="plaintext"><li id="fn-fortytwo-42"></span> +<span id="LC12" class="line" lang="plaintext"><p></span> +<span id="LC13" class="line" lang="plaintext">footnote text</span> +<span id="LC14" class="line" lang="plaintext"><a href="#fnref-fortytwo-42" data-footnote-backref></span> +<span id="LC15" class="line" lang="plaintext"></a></span> +<span id="LC16" class="line" lang="plaintext"></p></span> +<span id="LC17" class="line" lang="plaintext"></li></span> +<span id="LC18" class="line" lang="plaintext"></ol></span> +<span id="LC19" class="line" lang="plaintext"></section></span></code></pre> +<copy-code></copy-code> +</div> +<h2 data-sourcepos="53:1-53:18" dir="auto"> +<a id="user-content-task-list-items" class="anchor" href="#task-list-items" aria-hidden="true"></a>Task list items</h2> +<p data-sourcepos="55:1-56:117" dir="auto">See +<a href="https://docs.gitlab.com/ee/user/markdown.html#task-lists" rel="nofollow noreferrer noopener" target="_blank">Task lists</a> in the GitLab Flavored Markdown documentation.</p> +<p data-sourcepos="58:1-61:39" dir="auto">Task list items (checkboxes) are defined as a GitHub Flavored Markdown extension in a section above. +GitLab extends the behavior of task list items to support additional features. +Some of these features are in-progress, and should not yet be considered part of the official +GitLab Flavored Markdown specification.</p> +<p data-sourcepos="63:1-63:85" dir="auto">Some of the behavior of task list items is implemented as client-side JavaScript/CSS.</p> +<p data-sourcepos="65:1-65:80" dir="auto">The following are some basic examples; more examples may be added in the future.</p> +<p data-sourcepos="67:1-67:16" dir="auto">Incomplete task:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="69:1-71:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- [ ] incomplete</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="73:1-81:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ul></span> +<span id="LC2" class="line" lang="plaintext"><li></span> +<span id="LC3" class="line" lang="plaintext"><task-button/></span> +<span id="LC4" class="line" lang="plaintext"><input type="checkbox" disabled/></span> +<span id="LC5" class="line" lang="plaintext">incomplete</span> +<span id="LC6" class="line" lang="plaintext"></li></span> +<span id="LC7" class="line" lang="plaintext"></ul></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="83:1-83:15" dir="auto">Completed task:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="85:1-87:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- [x] completed</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="89:1-97:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ul></span> +<span id="LC2" class="line" lang="plaintext"><li></span> +<span id="LC3" class="line" lang="plaintext"><task-button/></span> +<span id="LC4" class="line" lang="plaintext"><input type="checkbox" checked disabled/></span> +<span id="LC5" class="line" lang="plaintext">completed</span> +<span id="LC6" class="line" lang="plaintext"></li></span> +<span id="LC7" class="line" lang="plaintext"></ul></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="99:1-99:18" dir="auto">Inapplicable task:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="101:1-103:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- [~] inapplicable</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="105:1-115:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ul></span> +<span id="LC2" class="line" lang="plaintext"><li></span> +<span id="LC3" class="line" lang="plaintext"><task-button/></span> +<span id="LC4" class="line" lang="plaintext"><input type="checkbox" data-inapplicable disabled></span> +<span id="LC5" class="line" lang="plaintext"><s></span> +<span id="LC6" class="line" lang="plaintext">inapplicable</span> +<span id="LC7" class="line" lang="plaintext"></s></span> +<span id="LC8" class="line" lang="plaintext"></li></span> +<span id="LC9" class="line" lang="plaintext"></ul></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="117:1-118:50" dir="auto">Inapplicable task in a "loose" list. Note that the <code><del></code> tag is not applied to the +loose text; it has strikethrough applied with CSS.</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="120:1-124:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">- [~] inapplicable</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext"> text in loose list</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="126:1-141:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><ul></span> +<span id="LC2" class="line" lang="plaintext"><li></span> +<span id="LC3" class="line" lang="plaintext"><p></span> +<span id="LC4" class="line" lang="plaintext"><task-button/></span> +<span id="LC5" class="line" lang="plaintext"><input type="checkbox" data-inapplicable disabled></span> +<span id="LC6" class="line" lang="plaintext"><s></span> +<span id="LC7" class="line" lang="plaintext">inapplicable</span> +<span id="LC8" class="line" lang="plaintext"></s></span> +<span id="LC9" class="line" lang="plaintext"></p></span> +<span id="LC10" class="line" lang="plaintext"><p></span> +<span id="LC11" class="line" lang="plaintext">text in loose list</span> +<span id="LC12" class="line" lang="plaintext"></p></span> +<span id="LC13" class="line" lang="plaintext"></li></span> +<span id="LC14" class="line" lang="plaintext"></ul></span></code></pre> +<copy-code></copy-code> +</div> +<h2 data-sourcepos="143:1-143:15" dir="auto"> +<a id="user-content-front-matter" class="anchor" href="#front-matter" aria-hidden="true"></a>Front matter</h2> +<p data-sourcepos="145:1-146:121" dir="auto">See +<a href="https://docs.gitlab.com/ee/user/markdown.html#front-matter" rel="nofollow noreferrer noopener" target="_blank">Front matter</a> in the GitLab Flavored Markdown documentation.</p> +<p data-sourcepos="148:1-149:95" dir="auto">Front matter is metadata included at the beginning of a Markdown document, preceding the content. +This data can be used by static site generators like Jekyll, Hugo, and many other applications.</p> +<p data-sourcepos="151:1-151:18" dir="auto">YAML front matter:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="153:1-157:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">---</span> +<span id="LC2" class="line" lang="plaintext">title: YAML front matter</span> +<span id="LC3" class="line" lang="plaintext">---</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="159:1-165:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><pre></span> +<span id="LC2" class="line" lang="plaintext"><code></span> +<span id="LC3" class="line" lang="plaintext">title: YAML front matter</span> +<span id="LC4" class="line" lang="plaintext"></code></span> +<span id="LC5" class="line" lang="plaintext"></pre></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="167:1-167:18" dir="auto">TOML front matter:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="169:1-173:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">+++</span> +<span id="LC2" class="line" lang="plaintext">title: TOML front matter</span> +<span id="LC3" class="line" lang="plaintext">+++</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="175:1-181:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><pre></span> +<span id="LC2" class="line" lang="plaintext"><code></span> +<span id="LC3" class="line" lang="plaintext">title: TOML front matter</span> +<span id="LC4" class="line" lang="plaintext"></code></span> +<span id="LC5" class="line" lang="plaintext"></pre></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="183:1-183:18" dir="auto">JSON front matter:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="185:1-191:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">;;;</span> +<span id="LC2" class="line" lang="plaintext">{</span> +<span id="LC3" class="line" lang="plaintext"> "title": "JSON front matter"</span> +<span id="LC4" class="line" lang="plaintext">}</span> +<span id="LC5" class="line" lang="plaintext">;;;</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="193:1-201:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><pre></span> +<span id="LC2" class="line" lang="plaintext"><code></span> +<span id="LC3" class="line" lang="plaintext">{</span> +<span id="LC4" class="line" lang="plaintext"> "title": "JSON front matter"</span> +<span id="LC5" class="line" lang="plaintext">}</span> +<span id="LC6" class="line" lang="plaintext"></code></span> +<span id="LC7" class="line" lang="plaintext"></pre></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="203:1-203:66" dir="auto">Front matter blocks should be inserted at the top of the document:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="205:1-211:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">text</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext">---</span> +<span id="LC4" class="line" lang="plaintext">title: YAML front matter</span> +<span id="LC5" class="line" lang="plaintext">---</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="213:1-217:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>text</p></span> +<span id="LC2" class="line" lang="plaintext"><hr></span> +<span id="LC3" class="line" lang="plaintext"><h2>title: YAML front matter</h2></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="219:1-219:74" dir="auto">Front matter block delimiters shouldn’t be preceded by space characters:</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="221:1-225:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> ---</span> +<span id="LC2" class="line" lang="plaintext">title: YAML front matter</span> +<span id="LC3" class="line" lang="plaintext">---</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="227:1-230:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><hr></span> +<span id="LC2" class="line" lang="plaintext"><h2>title: YAML front matter</h2></span></code></pre> +<copy-code></copy-code> +</div> +<h2 data-sourcepos="232:1-232:20" dir="auto"> +<a id="user-content-table-of-contents" class="anchor" href="#table-of-contents" aria-hidden="true"></a>Table of contents</h2> +<p data-sourcepos="234:1-236:46" dir="auto">See +<a href="https://docs.gitlab.com/ee/user/markdown.html#table-of-contents" rel="nofollow noreferrer noopener" target="_blank">table of contents</a> +in the GitLab Flavored Markdown documentation.</p> +<p data-sourcepos="238:1-239:58" dir="auto">A table of contents is an unordered list that links to subheadings in the document. +Add either the <code>[[_TOC_]]</code> or </p><ul class="section-nav"> +<li><a href="#introduction">Introduction</a></li> +<li> +<a href="#gitlab-official-specification-markdown">GitLab Official Specification Markdown</a><ul> +<li><a href="#footnotes">Footnotes</a></li> +<li><a href="#task-list-items">Task list items</a></li> +<li><a href="#front-matter">Front matter</a></li> +<li><a href="#table-of-contents">Table of contents</a></li> +</ul> +</li> +</ul> tag on its own line. +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="241:1-247:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[TOC]</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext"># Heading 1</span> +<span id="LC4" class="line" lang="plaintext"></span> +<span id="LC5" class="line" lang="plaintext">## Heading 2</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="249:1-260:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><nav></span> +<span id="LC2" class="line" lang="plaintext"> <ul></span> +<span id="LC3" class="line" lang="plaintext"> <li><a href="#heading-1">Heading 1</a></li></span> +<span id="LC4" class="line" lang="plaintext"> <ul></span> +<span id="LC5" class="line" lang="plaintext"> <li><a href="#heading-2">Heading 2</a></li></span> +<span id="LC6" class="line" lang="plaintext"> </ul></span> +<span id="LC7" class="line" lang="plaintext"> </ul></span> +<span id="LC8" class="line" lang="plaintext"></nav></span> +<span id="LC9" class="line" lang="plaintext"><h1>Heading 1</h1></span> +<span id="LC10" class="line" lang="plaintext"><h2>Heading 2</h2></span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="262:1-268:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[[_TOC_]]</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext"># Heading 1</span> +<span id="LC4" class="line" lang="plaintext"></span> +<span id="LC5" class="line" lang="plaintext">## Heading 2</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="270:1-281:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><nav></span> +<span id="LC2" class="line" lang="plaintext"> <ul></span> +<span id="LC3" class="line" lang="plaintext"> <li><a href="#heading-1">Heading 1</a></li></span> +<span id="LC4" class="line" lang="plaintext"> <ul></span> +<span id="LC5" class="line" lang="plaintext"> <li><a href="#heading-2">Heading 2</a></li></span> +<span id="LC6" class="line" lang="plaintext"> </ul></span> +<span id="LC7" class="line" lang="plaintext"> </ul></span> +<span id="LC8" class="line" lang="plaintext"></nav></span> +<span id="LC9" class="line" lang="plaintext"><h1>Heading 1</h1></span> +<span id="LC10" class="line" lang="plaintext"><h2>Heading 2</h2></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="283:1-284:5" dir="auto">A table of contents is a block element. It should preceded and followed by a blank +line.</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="286:1-292:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">[[_TOC_]]</span> +<span id="LC2" class="line" lang="plaintext">text</span> +<span id="LC3" class="line" lang="plaintext"></span> +<span id="LC4" class="line" lang="plaintext">text</span> +<span id="LC5" class="line" lang="plaintext">[TOC]</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="294:1-297:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><p>[[<em>TOC</em>]]text</p></span> +<span id="LC2" class="line" lang="plaintext"><p>text[TOC]</p></span></code></pre> +<copy-code></copy-code> +</div> +<p data-sourcepos="299:1-299:60" dir="auto">A table of contents can be indented with up to three spaces.</p> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="301:1-305:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="example" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"> [[_TOC_]]</span> +<span id="LC2" class="line" lang="plaintext"></span> +<span id="LC3" class="line" lang="plaintext"># Heading 1</span></code></pre> +<copy-code></copy-code> +</div> +<div class="gl-relative markdown-code-block js-markdown-code"> +<pre data-sourcepos="307:1-314:32" lang="plaintext" class="code highlight js-syntax-highlight language-plaintext" data-canonical-lang="" v-pre="true"><code><span id="LC1" class="line" lang="plaintext"><nav></span> +<span id="LC2" class="line" lang="plaintext"> <ul></span> +<span id="LC3" class="line" lang="plaintext"> <li><a href="#heading-1">Heading 1</a></li></span> +<span id="LC4" class="line" lang="plaintext"> </ul></span> +<span id="LC5" class="line" lang="plaintext"></nav></span> +<span id="LC6" class="line" lang="plaintext"><h1>Heading 1</h1></span></code></pre> +<copy-code></copy-code> +</div> + diff --git a/glfm_specification/output_spec/spec.txt b/glfm_specification/output_spec/spec.txt new file mode 100644 index 00000000000..e16975ac51f --- /dev/null +++ b/glfm_specification/output_spec/spec.txt @@ -0,0 +1,287 @@ +--- +title: GitLab Flavored Markdown (GLFM) Spec +version: alpha +... +# Introduction + +TODO: Write a GitLab-specific version of the GitHub Flavored Markdown intro section. + +<!-- BEGIN TESTS --> +# GitLab Official Specification Markdown + +Currently, only some of the GitLab-specific markdown features are +listed in this section. We may eventually add all +GitLab-specific features currently listed as supported in the +[user-facing documentation for GitLab Flavored Markdown](https://docs.gitlab.com/ee/user/markdown.html). + +There is currently only this single top-level heading, but the +examples may be split into multiple top-level headings in the future. + +## Footnotes + +See +[the footnotes section of the user-facing documentation for GitLab Flavored Markdown](https://docs.gitlab.com/ee/user/markdown.html#footnotes). + +```````````````````````````````` example gitlab +footnote reference tag [^fortytwo] + +[^fortytwo]: footnote text +. +<p> +footnote reference tag +<sup> +<a href="#fn-fortytwo-42" id="fnref-fortytwo-42" data-footnote-ref> +1 +</a> +</sup> +</p> +<section data-footnotes> +<ol> +<li id="fn-fortytwo-42"> +<p> +footnote text +<a href="#fnref-fortytwo-42" data-footnote-backref> +</a> +</p> +</li> +</ol> +</section> +```````````````````````````````` + +## Task list items + +See +[Task lists](https://docs.gitlab.com/ee/user/markdown.html#task-lists) in the GitLab Flavored Markdown documentation. + +Task list items (checkboxes) are defined as a GitHub Flavored Markdown extension in a section above. +GitLab extends the behavior of task list items to support additional features. +Some of these features are in-progress, and should not yet be considered part of the official +GitLab Flavored Markdown specification. + +Some of the behavior of task list items is implemented as client-side JavaScript/CSS. + +The following are some basic examples; more examples may be added in the future. + +Incomplete task: + +```````````````````````````````` example gitlab +- [ ] incomplete +. +<ul> +<li> +<task-button/> +<input type="checkbox" disabled/> +incomplete +</li> +</ul> +```````````````````````````````` + +Completed task: + +```````````````````````````````` example gitlab +- [x] completed +. +<ul> +<li> +<task-button/> +<input type="checkbox" checked disabled/> +completed +</li> +</ul> +```````````````````````````````` + +Inapplicable task: + +```````````````````````````````` example gitlab +- [~] inapplicable +. +<ul> +<li> +<task-button/> +<input type="checkbox" data-inapplicable disabled> +<s> +inapplicable +</s> +</li> +</ul> +```````````````````````````````` + +Inapplicable task in a "loose" list. Note that the `<del>` tag is not applied to the +loose text; it has strikethrough applied with CSS. + +```````````````````````````````` example gitlab +- [~] inapplicable + + text in loose list +. +<ul> +<li> +<p> +<task-button/> +<input type="checkbox" data-inapplicable disabled> +<s> +inapplicable +</s> +</p> +<p> +text in loose list +</p> +</li> +</ul> +```````````````````````````````` + +## Front matter + +See +[Front matter](https://docs.gitlab.com/ee/user/markdown.html#front-matter) in the GitLab Flavored Markdown documentation. + +Front matter is metadata included at the beginning of a Markdown document, preceding the content. +This data can be used by static site generators like Jekyll, Hugo, and many other applications. + +YAML front matter: + +```````````````````````````````` example gitlab +--- +title: YAML front matter +--- +. +<pre> +<code> +title: YAML front matter +</code> +</pre> +```````````````````````````````` + +TOML front matter: + +```````````````````````````````` example gitlab ++++ +title: TOML front matter ++++ +. +<pre> +<code> +title: TOML front matter +</code> +</pre> +```````````````````````````````` + +JSON front matter: + +```````````````````````````````` example gitlab +;;; +{ + "title": "JSON front matter" +} +;;; +. +<pre> +<code> +{ + "title": "JSON front matter" +} +</code> +</pre> +```````````````````````````````` + +Front matter blocks should be inserted at the top of the document: + +```````````````````````````````` example gitlab +text + +--- +title: YAML front matter +--- +. +<p>text</p> +<hr> +<h2>title: YAML front matter</h2> +```````````````````````````````` + +Front matter block delimiters shouldn’t be preceded by space characters: + +```````````````````````````````` example gitlab + --- +title: YAML front matter +--- +. +<hr> +<h2>title: YAML front matter</h2> +```````````````````````````````` + +## Table of contents + +See +[table of contents](https://docs.gitlab.com/ee/user/markdown.html#table-of-contents) +in the GitLab Flavored Markdown documentation. + +A table of contents is an unordered list that links to subheadings in the document. +Add either the `[[_TOC_]]` or `[TOC]` tag on its own line. + +```````````````````````````````` example gitlab +[TOC] + +# Heading 1 + +## Heading 2 +. +<nav> + <ul> + <li><a href="#heading-1">Heading 1</a></li> + <ul> + <li><a href="#heading-2">Heading 2</a></li> + </ul> + </ul> +</nav> +<h1>Heading 1</h1> +<h2>Heading 2</h2> +```````````````````````````````` + +```````````````````````````````` example gitlab +[[_TOC_]] + +# Heading 1 + +## Heading 2 +. +<nav> + <ul> + <li><a href="#heading-1">Heading 1</a></li> + <ul> + <li><a href="#heading-2">Heading 2</a></li> + </ul> + </ul> +</nav> +<h1>Heading 1</h1> +<h2>Heading 2</h2> +```````````````````````````````` + +A table of contents is a block element. It should preceded and followed by a blank +line. + +```````````````````````````````` example gitlab +[[_TOC_]] +text + +text +[TOC] +. +<p>[[<em>TOC</em>]]text</p> +<p>text[TOC]</p> +```````````````````````````````` + +A table of contents can be indented with up to three spaces. + +```````````````````````````````` example gitlab + [[_TOC_]] + +# Heading 1 +. +<nav> + <ul> + <li><a href="#heading-1">Heading 1</a></li> + </ul> +</nav> +<h1>Heading 1</h1> +```````````````````````````````` +<!-- END TESTS --> |