Fixed https links in content

11 files changed, 187 insertions, 187 deletions

diff --git a/index.html b/index.html
index ac5fe42..85985ec 100644
--- a/index.html
+++ b/index.html
@@ -217,8 +217,8 @@
 <h3 id="one-up:5767805156fe261c5b7762b9219a6127">One Up</h3>
 
 <figure>
-    <a href="http://farm9.staticflickr.com/8426/7758832526_cc8f681e48_b.jpg"><img src="http://farm9.staticflickr.com/8426/7758832526_cc8f681e48_c.jpg" alt=""></a>
-    <figcaption><a href="http://www.flickr.com/photos/80901381@N04/7758832526/" title="Morning Fog Emerging From Trees by A Guy Taking Pictures, on Flickr">Morning Fog Emerging From Trees by A Guy Taking Pictures, on Flickr</a>.</figcaption>
+    <a href="//farm9.staticflickr.com/8426/7758832526_cc8f681e48_b.jpg"><img src="//farm9.staticflickr.com/8426/7758832526_cc8f681e48_c.jpg" alt=""></a>
+    <figcaption><a href="//www.flickr.com/photos/80901381@N04/7758832526/" title="Morning Fog Emerging From Trees by A Guy Taking Pictures, on Flickr">Morning Fog Emerging From Trees by A Guy Taking Pictures, on Flickr</a>.</figcaption>
 </figure>
 
 <h3 id="two-up:5767805156fe261c5b7762b9219a6127">Two Up</h3>
@@ -234,10 +234,10 @@
 <p>And you&rsquo;ll get something that looks like this:</p>
 
 <figure class="half">
-    <a href="http://placehold.it/1200x600.jpg"><img src="http://placehold.it/600x300.jpg" alt=""></a>
-    <a href="http://placehold.it/1200x600.jpg"><img src="http://placehold.it/600x300.jpg" alt=""></a>
-    <img src="http://placehold.it/600x300.jpg" alt="">
-    <img src="http://placehold.it/600x300.jpg" alt="">
+    <a href="//placehold.it/1200x600.jpg"><img src="//placehold.it/600x300.jpg" alt=""></a>
+    <a href="//placehold.it/1200x600.jpg"><img src="//placehold.it/600x300.jpg" alt=""></a>
+    <img src="//placehold.it/600x300.jpg" alt="">
+    <img src="//placehold.it/600x300.jpg" alt="">
     <figcaption>Two images.</figcaption>
 </figure>
 
@@ -245,9 +245,9 @@
 
 <p>Apply the <code>third</code> class like so to display three images side by side that share the same caption.</p>
 <div class="highlight" style="background: #272822"><pre style="line-height: 125%"><span style="color: #f8f8f2">&lt;</span><span style="color: #f92672">figure</span> <span style="color: #a6e22e">class</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;third&quot;</span><span style="color: #f8f8f2">&gt;</span>
-	<span style="color: #f8f8f2">&lt;</span><span style="color: #f92672">a</span> <span style="color: #a6e22e">href</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;http://placehold.it/1200x600.jpg&quot;</span><span style="color: #f8f8f2">&gt;&lt;</span><span style="color: #f92672">img</span> <span style="color: #a6e22e">src</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;http://placehold.it/600x300.jpg&quot;</span> <span style="color: #a6e22e">alt</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;&quot;</span><span style="color: #f8f8f2">&gt;&lt;/</span><span style="color: #f92672">a</span><span style="color: #f8f8f2">&gt;</span>
-	<span style="color: #f8f8f2">&lt;</span><span style="color: #f92672">a</span> <span style="color: #a6e22e">href</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;http://placehold.it/1200x600.jpg&quot;</span><span style="color: #f8f8f2">&gt;&lt;</span><span style="color: #f92672">img</span> <span style="color: #a6e22e">src</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;http://placehold.it/600x300.jpg&quot;</span> <span style="color: #a6e22e">alt</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;&quot;</span><span style="color: #f8f8f2">&gt;&lt;/</span><span style="color: #f92672">a</span><span style="color: #f8f8f2">&gt;</span>
-	<span style="color: #f8f8f2">&lt;</span><span style="color: #f92672">a</span> <span style="color: #a6e22e">href</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;http://placehold.it/1200x600.jpg&quot;</span><span style="color: #f8f8f2">&gt;&lt;</span><span style="color: #f92672">img</span> <span style="color: #a6e22e">src</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;http://placehold.it/600x300.jpg&quot;</span> <span style="color: #a6e22e">alt</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;&quot;</span><span style="color: #f8f8f2">&gt;&lt;/</span><span style="color: #f92672">a</span><span style="color: #f8f8f2">&gt;</span>
+	<span style="color: #f8f8f2">&lt;</span><span style="color: #f92672">a</span> <span style="color: #a6e22e">href</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;//placehold.it/1200x600.jpg&quot;</span><span style="color: #f8f8f2">&gt;&lt;</span><span style="color: #f92672">img</span> <span style="color: #a6e22e">src</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;//placehold.it/600x300.jpg&quot;</span> <span style="color: #a6e22e">alt</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;&quot;</span><span style="color: #f8f8f2">&gt;&lt;/</span><span style="color: #f92672">a</span><span style="color: #f8f8f2">&gt;</span>
+	<span style="color: #f8f8f2">&lt;</span><span style="color: #f92672">a</span> <span style="color: #a6e22e">href</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;//placehold.it/1200x600.jpg&quot;</span><span style="color: #f8f8f2">&gt;&lt;</span><span style="color: #f92672">img</span> <span style="color: #a6e22e">src</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;//placehold.it/600x300.jpg&quot;</span> <span style="color: #a6e22e">alt</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;&quot;</span><span style="color: #f8f8f2">&gt;&lt;/</span><span style="color: #f92672">a</span><span style="color: #f8f8f2">&gt;</span>
+	<span style="color: #f8f8f2">&lt;</span><span style="color: #f92672">a</span> <span style="color: #a6e22e">href</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;//placehold.it/1200x600.jpg&quot;</span><span style="color: #f8f8f2">&gt;&lt;</span><span style="color: #f92672">img</span> <span style="color: #a6e22e">src</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;//placehold.it/600x300.jpg&quot;</span> <span style="color: #a6e22e">alt</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;&quot;</span><span style="color: #f8f8f2">&gt;&lt;/</span><span style="color: #f92672">a</span><span style="color: #f8f8f2">&gt;</span>
 	<span style="color: #f8f8f2">&lt;</span><span style="color: #f92672">figcaption</span><span style="color: #f8f8f2">&gt;</span>Caption describing these three images.<span style="color: #f8f8f2">&lt;/</span><span style="color: #f92672">figcaption</span><span style="color: #f8f8f2">&gt;</span>
 <span style="color: #f8f8f2">&lt;/</span><span style="color: #f92672">figure</span><span style="color: #f8f8f2">&gt;</span>
 </pre></div>
@@ -255,12 +255,12 @@
 <p>And you&rsquo;ll get something that looks like this:</p>
 
 <figure class="third">
-    <a href="http://placehold.it/1200x600.jpg"><img src="http://placehold.it/600x300.jpg" alt=""></a>
-    <a href="http://placehold.it/1200x600.jpg"><img src="http://placehold.it/600x300.jpg" alt=""></a>
-    <a href="http://placehold.it/1200x600.jpg"><img src="http://placehold.it/600x300.jpg" alt=""></a>
-    <a href="http://placehold.it/1200x600.jpg"><img src="http://placehold.it/600x300.jpg" alt=""></a>
-    <a href="http://placehold.it/1200x600.jpg"><img src="http://placehold.it/600x300.jpg" alt=""></a>
-    <a href="http://placehold.it/1200x600.jpg"><img src="http://placehold.it/600x300.jpg" alt=""></a>
+    <a href="//placehold.it/1200x600.jpg"><img src="//placehold.it/600x300.jpg" alt=""></a>
+    <a href="//placehold.it/1200x600.jpg"><img src="//placehold.it/600x300.jpg" alt=""></a>
+    <a href="//placehold.it/1200x600.jpg"><img src="//placehold.it/600x300.jpg" alt=""></a>
+    <a href="//placehold.it/1200x600.jpg"><img src="//placehold.it/600x300.jpg" alt=""></a>
+    <a href="//placehold.it/1200x600.jpg"><img src="//placehold.it/600x300.jpg" alt=""></a>
+    <a href="//placehold.it/1200x600.jpg"><img src="//placehold.it/600x300.jpg" alt=""></a>
     <figcaption>Three images.</figcaption>
 </figure>
 
@@ -274,7 +274,7 @@ and fill the block with any number of links to images. You can mix relative and
 <div class="highlight" style="background: #272822"><pre style="line-height: 125%"><span style="color: #f8f8f2">{% </span><span style="color: #f92672">raw</span><span style="color: #f8f8f2"> %}</span>{% capture images %}
 	/images/abstract-10.jpg
 	/images/abstract-11.jpg
-	http://upload.wikimedia.org/wikipedia/en/2/24/Lenna.png
+	//upload.wikimedia.org/wikipedia/en/2/24/Lenna.png
 {% endcapture %}
 {% include gallery images=images caption=&quot;Test images&quot; cols=3 %}<span style="color: #f8f8f2">{% </span><span style="color: #f92672">endraw</span><span style="color: #f8f8f2"> %}</span>
 </pre></div>
@@ -292,7 +292,7 @@ Available values: [1..3].</li>
 <p>{% capture images %}
     /images/abstract-10.jpg
     /images/abstract-11.jpg
-    <a href="http://upload.wikimedia.org/wikipedia/en/2/24/Lenna.png">http://upload.wikimedia.org/wikipedia/en/2/24/Lenna.png</a>
+    //upload.wikimedia.org/wikipedia/en/2/24/Lenna.png
 {% endcapture %}
 {% include gallery images=images caption=&ldquo;Test images&rdquo; cols=3 %}</p>
 
diff --git a/index.xml b/index.xml
index 4cb634a..61c427a 100644
--- a/index.xml
+++ b/index.xml
@@ -75,8 +75,8 @@
 &lt;h3 id=&#34;one-up:5767805156fe261c5b7762b9219a6127&#34;&gt;One Up&lt;/h3&gt;
 
 &lt;figure&gt;
-    &lt;a href=&#34;http://farm9.staticflickr.com/8426/7758832526_cc8f681e48_b.jpg&#34;&gt;&lt;img src=&#34;http://farm9.staticflickr.com/8426/7758832526_cc8f681e48_c.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
-    &lt;figcaption&gt;&lt;a href=&#34;http://www.flickr.com/photos/80901381@N04/7758832526/&#34; title=&#34;Morning Fog Emerging From Trees by A Guy Taking Pictures, on Flickr&#34;&gt;Morning Fog Emerging From Trees by A Guy Taking Pictures, on Flickr&lt;/a&gt;.&lt;/figcaption&gt;
+    &lt;a href=&#34;//farm9.staticflickr.com/8426/7758832526_cc8f681e48_b.jpg&#34;&gt;&lt;img src=&#34;//farm9.staticflickr.com/8426/7758832526_cc8f681e48_c.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
+    &lt;figcaption&gt;&lt;a href=&#34;//www.flickr.com/photos/80901381@N04/7758832526/&#34; title=&#34;Morning Fog Emerging From Trees by A Guy Taking Pictures, on Flickr&#34;&gt;Morning Fog Emerging From Trees by A Guy Taking Pictures, on Flickr&lt;/a&gt;.&lt;/figcaption&gt;
 &lt;/figure&gt;
 
 &lt;h3 id=&#34;two-up:5767805156fe261c5b7762b9219a6127&#34;&gt;Two Up&lt;/h3&gt;
@@ -92,10 +92,10 @@
 &lt;p&gt;And you&amp;rsquo;ll get something that looks like this:&lt;/p&gt;
 
 &lt;figure class=&#34;half&#34;&gt;
-    &lt;a href=&#34;http://placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;http://placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
-    &lt;a href=&#34;http://placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;http://placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
-    &lt;img src=&#34;http://placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;
-    &lt;img src=&#34;http://placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;
+    &lt;a href=&#34;//placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;//placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
+    &lt;a href=&#34;//placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;//placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
+    &lt;img src=&#34;//placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;
+    &lt;img src=&#34;//placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;
     &lt;figcaption&gt;Two images.&lt;/figcaption&gt;
 &lt;/figure&gt;
 
@@ -103,9 +103,9 @@
 
 &lt;p&gt;Apply the &lt;code&gt;third&lt;/code&gt; class like so to display three images side by side that share the same caption.&lt;/p&gt;
 &lt;div class=&#34;highlight&#34; style=&#34;background: #272822&#34;&gt;&lt;pre style=&#34;line-height: 125%&#34;&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;lt;&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;figure&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;class&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;third&amp;quot;&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&lt;/span&gt;
-	&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;lt;&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;a&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;href&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;http://placehold.it/1200x600.jpg&amp;quot;&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&amp;lt;&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;img&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;src&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;http://placehold.it/600x300.jpg&amp;quot;&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;alt&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;&amp;quot;&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&amp;lt;/&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;a&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&lt;/span&gt;
-	&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;lt;&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;a&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;href&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;http://placehold.it/1200x600.jpg&amp;quot;&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&amp;lt;&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;img&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;src&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;http://placehold.it/600x300.jpg&amp;quot;&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;alt&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;&amp;quot;&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&amp;lt;/&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;a&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&lt;/span&gt;
-	&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;lt;&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;a&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;href&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;http://placehold.it/1200x600.jpg&amp;quot;&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&amp;lt;&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;img&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;src&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;http://placehold.it/600x300.jpg&amp;quot;&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;alt&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;&amp;quot;&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&amp;lt;/&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;a&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&lt;/span&gt;
+	&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;lt;&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;a&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;href&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;//placehold.it/1200x600.jpg&amp;quot;&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&amp;lt;&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;img&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;src&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;//placehold.it/600x300.jpg&amp;quot;&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;alt&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;&amp;quot;&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&amp;lt;/&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;a&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&lt;/span&gt;
+	&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;lt;&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;a&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;href&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;//placehold.it/1200x600.jpg&amp;quot;&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&amp;lt;&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;img&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;src&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;//placehold.it/600x300.jpg&amp;quot;&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;alt&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;&amp;quot;&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&amp;lt;/&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;a&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&lt;/span&gt;
+	&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;lt;&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;a&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;href&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;//placehold.it/1200x600.jpg&amp;quot;&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&amp;lt;&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;img&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;src&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;//placehold.it/600x300.jpg&amp;quot;&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;alt&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;&amp;quot;&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&amp;lt;/&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;a&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&lt;/span&gt;
 	&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;lt;&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;figcaption&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&lt;/span&gt;Caption describing these three images.&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;lt;/&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;figcaption&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&lt;/span&gt;
 &lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;lt;/&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;figure&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&lt;/span&gt;
 &lt;/pre&gt;&lt;/div&gt;
@@ -113,12 +113,12 @@
 &lt;p&gt;And you&amp;rsquo;ll get something that looks like this:&lt;/p&gt;
 
 &lt;figure class=&#34;third&#34;&gt;
-    &lt;a href=&#34;http://placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;http://placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
-    &lt;a href=&#34;http://placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;http://placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
-    &lt;a href=&#34;http://placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;http://placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
-    &lt;a href=&#34;http://placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;http://placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
-    &lt;a href=&#34;http://placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;http://placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
-    &lt;a href=&#34;http://placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;http://placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
+    &lt;a href=&#34;//placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;//placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
+    &lt;a href=&#34;//placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;//placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
+    &lt;a href=&#34;//placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;//placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
+    &lt;a href=&#34;//placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;//placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
+    &lt;a href=&#34;//placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;//placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
+    &lt;a href=&#34;//placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;//placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
     &lt;figcaption&gt;Three images.&lt;/figcaption&gt;
 &lt;/figure&gt;
 
@@ -132,7 +132,7 @@ and fill the block with any number of links to images. You can mix relative and
 &lt;div class=&#34;highlight&#34; style=&#34;background: #272822&#34;&gt;&lt;pre style=&#34;line-height: 125%&#34;&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;{% &lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;raw&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt; %}&lt;/span&gt;{% capture images %}
 	/images/abstract-10.jpg
 	/images/abstract-11.jpg
-	http://upload.wikimedia.org/wikipedia/en/2/24/Lenna.png
+	//upload.wikimedia.org/wikipedia/en/2/24/Lenna.png
 {% endcapture %}
 {% include gallery images=images caption=&amp;quot;Test images&amp;quot; cols=3 %}&lt;span style=&#34;color: #f8f8f2&#34;&gt;{% &lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;endraw&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt; %}&lt;/span&gt;
 &lt;/pre&gt;&lt;/div&gt;
@@ -150,7 +150,7 @@ Available values: [1..3].&lt;/li&gt;
 &lt;p&gt;{% capture images %}
     /images/abstract-10.jpg
     /images/abstract-11.jpg
-    &lt;a href=&#34;http://upload.wikimedia.org/wikipedia/en/2/24/Lenna.png&#34;&gt;http://upload.wikimedia.org/wikipedia/en/2/24/Lenna.png&lt;/a&gt;
+    //upload.wikimedia.org/wikipedia/en/2/24/Lenna.png
 {% endcapture %}
 {% include gallery images=images caption=&amp;ldquo;Test images&amp;rdquo; cols=3 %}&lt;/p&gt;
 </description>
diff --git a/posts/a-post-with-images/index.html b/posts/a-post-with-images/index.html
index 2e3b24f..230ea93 100644
--- a/posts/a-post-with-images/index.html
+++ b/posts/a-post-with-images/index.html
@@ -144,8 +144,8 @@
 <h3 id="one-up:5767805156fe261c5b7762b9219a6127">One Up</h3>
 
 <figure>
-    <a href="http://farm9.staticflickr.com/8426/7758832526_cc8f681e48_b.jpg"><img src="http://farm9.staticflickr.com/8426/7758832526_cc8f681e48_c.jpg" alt=""></a>
-    <figcaption><a href="http://www.flickr.com/photos/80901381@N04/7758832526/" title="Morning Fog Emerging From Trees by A Guy Taking Pictures, on Flickr">Morning Fog Emerging From Trees by A Guy Taking Pictures, on Flickr</a>.</figcaption>
+    <a href="//farm9.staticflickr.com/8426/7758832526_cc8f681e48_b.jpg"><img src="//farm9.staticflickr.com/8426/7758832526_cc8f681e48_c.jpg" alt=""></a>
+    <figcaption><a href="//www.flickr.com/photos/80901381@N04/7758832526/" title="Morning Fog Emerging From Trees by A Guy Taking Pictures, on Flickr">Morning Fog Emerging From Trees by A Guy Taking Pictures, on Flickr</a>.</figcaption>
 </figure>
 
 <h3 id="two-up:5767805156fe261c5b7762b9219a6127">Two Up</h3>
@@ -161,10 +161,10 @@
 <p>And you&rsquo;ll get something that looks like this:</p>
 
 <figure class="half">
-    <a href="http://placehold.it/1200x600.jpg"><img src="http://placehold.it/600x300.jpg" alt=""></a>
-    <a href="http://placehold.it/1200x600.jpg"><img src="http://placehold.it/600x300.jpg" alt=""></a>
-    <img src="http://placehold.it/600x300.jpg" alt="">
-    <img src="http://placehold.it/600x300.jpg" alt="">
+    <a href="//placehold.it/1200x600.jpg"><img src="//placehold.it/600x300.jpg" alt=""></a>
+    <a href="//placehold.it/1200x600.jpg"><img src="//placehold.it/600x300.jpg" alt=""></a>
+    <img src="//placehold.it/600x300.jpg" alt="">
+    <img src="//placehold.it/600x300.jpg" alt="">
     <figcaption>Two images.</figcaption>
 </figure>
 
@@ -172,9 +172,9 @@
 
 <p>Apply the <code>third</code> class like so to display three images side by side that share the same caption.</p>
 <div class="highlight" style="background: #272822"><pre style="line-height: 125%"><span style="color: #f8f8f2">&lt;</span><span style="color: #f92672">figure</span> <span style="color: #a6e22e">class</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;third&quot;</span><span style="color: #f8f8f2">&gt;</span>
-	<span style="color: #f8f8f2">&lt;</span><span style="color: #f92672">a</span> <span style="color: #a6e22e">href</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;http://placehold.it/1200x600.jpg&quot;</span><span style="color: #f8f8f2">&gt;&lt;</span><span style="color: #f92672">img</span> <span style="color: #a6e22e">src</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;http://placehold.it/600x300.jpg&quot;</span> <span style="color: #a6e22e">alt</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;&quot;</span><span style="color: #f8f8f2">&gt;&lt;/</span><span style="color: #f92672">a</span><span style="color: #f8f8f2">&gt;</span>
-	<span style="color: #f8f8f2">&lt;</span><span style="color: #f92672">a</span> <span style="color: #a6e22e">href</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;http://placehold.it/1200x600.jpg&quot;</span><span style="color: #f8f8f2">&gt;&lt;</span><span style="color: #f92672">img</span> <span style="color: #a6e22e">src</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;http://placehold.it/600x300.jpg&quot;</span> <span style="color: #a6e22e">alt</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;&quot;</span><span style="color: #f8f8f2">&gt;&lt;/</span><span style="color: #f92672">a</span><span style="color: #f8f8f2">&gt;</span>
-	<span style="color: #f8f8f2">&lt;</span><span style="color: #f92672">a</span> <span style="color: #a6e22e">href</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;http://placehold.it/1200x600.jpg&quot;</span><span style="color: #f8f8f2">&gt;&lt;</span><span style="color: #f92672">img</span> <span style="color: #a6e22e">src</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;http://placehold.it/600x300.jpg&quot;</span> <span style="color: #a6e22e">alt</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;&quot;</span><span style="color: #f8f8f2">&gt;&lt;/</span><span style="color: #f92672">a</span><span style="color: #f8f8f2">&gt;</span>
+	<span style="color: #f8f8f2">&lt;</span><span style="color: #f92672">a</span> <span style="color: #a6e22e">href</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;//placehold.it/1200x600.jpg&quot;</span><span style="color: #f8f8f2">&gt;&lt;</span><span style="color: #f92672">img</span> <span style="color: #a6e22e">src</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;//placehold.it/600x300.jpg&quot;</span> <span style="color: #a6e22e">alt</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;&quot;</span><span style="color: #f8f8f2">&gt;&lt;/</span><span style="color: #f92672">a</span><span style="color: #f8f8f2">&gt;</span>
+	<span style="color: #f8f8f2">&lt;</span><span style="color: #f92672">a</span> <span style="color: #a6e22e">href</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;//placehold.it/1200x600.jpg&quot;</span><span style="color: #f8f8f2">&gt;&lt;</span><span style="color: #f92672">img</span> <span style="color: #a6e22e">src</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;//placehold.it/600x300.jpg&quot;</span> <span style="color: #a6e22e">alt</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;&quot;</span><span style="color: #f8f8f2">&gt;&lt;/</span><span style="color: #f92672">a</span><span style="color: #f8f8f2">&gt;</span>
+	<span style="color: #f8f8f2">&lt;</span><span style="color: #f92672">a</span> <span style="color: #a6e22e">href</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;//placehold.it/1200x600.jpg&quot;</span><span style="color: #f8f8f2">&gt;&lt;</span><span style="color: #f92672">img</span> <span style="color: #a6e22e">src</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;//placehold.it/600x300.jpg&quot;</span> <span style="color: #a6e22e">alt</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;&quot;</span><span style="color: #f8f8f2">&gt;&lt;/</span><span style="color: #f92672">a</span><span style="color: #f8f8f2">&gt;</span>
 	<span style="color: #f8f8f2">&lt;</span><span style="color: #f92672">figcaption</span><span style="color: #f8f8f2">&gt;</span>Caption describing these three images.<span style="color: #f8f8f2">&lt;/</span><span style="color: #f92672">figcaption</span><span style="color: #f8f8f2">&gt;</span>
 <span style="color: #f8f8f2">&lt;/</span><span style="color: #f92672">figure</span><span style="color: #f8f8f2">&gt;</span>
 </pre></div>
@@ -182,12 +182,12 @@
 <p>And you&rsquo;ll get something that looks like this:</p>
 
 <figure class="third">
-    <a href="http://placehold.it/1200x600.jpg"><img src="http://placehold.it/600x300.jpg" alt=""></a>
-    <a href="http://placehold.it/1200x600.jpg"><img src="http://placehold.it/600x300.jpg" alt=""></a>
-    <a href="http://placehold.it/1200x600.jpg"><img src="http://placehold.it/600x300.jpg" alt=""></a>
-    <a href="http://placehold.it/1200x600.jpg"><img src="http://placehold.it/600x300.jpg" alt=""></a>
-    <a href="http://placehold.it/1200x600.jpg"><img src="http://placehold.it/600x300.jpg" alt=""></a>
-    <a href="http://placehold.it/1200x600.jpg"><img src="http://placehold.it/600x300.jpg" alt=""></a>
+    <a href="//placehold.it/1200x600.jpg"><img src="//placehold.it/600x300.jpg" alt=""></a>
+    <a href="//placehold.it/1200x600.jpg"><img src="//placehold.it/600x300.jpg" alt=""></a>
+    <a href="//placehold.it/1200x600.jpg"><img src="//placehold.it/600x300.jpg" alt=""></a>
+    <a href="//placehold.it/1200x600.jpg"><img src="//placehold.it/600x300.jpg" alt=""></a>
+    <a href="//placehold.it/1200x600.jpg"><img src="//placehold.it/600x300.jpg" alt=""></a>
+    <a href="//placehold.it/1200x600.jpg"><img src="//placehold.it/600x300.jpg" alt=""></a>
     <figcaption>Three images.</figcaption>
 </figure>
 
@@ -201,7 +201,7 @@ and fill the block with any number of links to images. You can mix relative and
 <div class="highlight" style="background: #272822"><pre style="line-height: 125%"><span style="color: #f8f8f2">{% </span><span style="color: #f92672">raw</span><span style="color: #f8f8f2"> %}</span>{% capture images %}
 	/images/abstract-10.jpg
 	/images/abstract-11.jpg
-	http://upload.wikimedia.org/wikipedia/en/2/24/Lenna.png
+	//upload.wikimedia.org/wikipedia/en/2/24/Lenna.png
 {% endcapture %}
 {% include gallery images=images caption=&quot;Test images&quot; cols=3 %}<span style="color: #f8f8f2">{% </span><span style="color: #f92672">endraw</span><span style="color: #f8f8f2"> %}</span>
 </pre></div>
@@ -219,7 +219,7 @@ Available values: [1..3].</li>
 <p>{% capture images %}
     /images/abstract-10.jpg
     /images/abstract-11.jpg
-    <a href="http://upload.wikimedia.org/wikipedia/en/2/24/Lenna.png">http://upload.wikimedia.org/wikipedia/en/2/24/Lenna.png</a>
+    //upload.wikimedia.org/wikipedia/en/2/24/Lenna.png
 {% endcapture %}
 {% include gallery images=images caption=&ldquo;Test images&rdquo; cols=3 %}</p>
 
diff --git a/posts/index.html b/posts/index.html
index 25ab48e..ed072c8 100644
--- a/posts/index.html
+++ b/posts/index.html
@@ -220,8 +220,8 @@
 <h3 id="one-up:5767805156fe261c5b7762b9219a6127">One Up</h3>
 
 <figure>
-    <a href="http://farm9.staticflickr.com/8426/7758832526_cc8f681e48_b.jpg"><img src="http://farm9.staticflickr.com/8426/7758832526_cc8f681e48_c.jpg" alt=""></a>
-    <figcaption><a href="http://www.flickr.com/photos/80901381@N04/7758832526/" title="Morning Fog Emerging From Trees by A Guy Taking Pictures, on Flickr">Morning Fog Emerging From Trees by A Guy Taking Pictures, on Flickr</a>.</figcaption>
+    <a href="//farm9.staticflickr.com/8426/7758832526_cc8f681e48_b.jpg"><img src="//farm9.staticflickr.com/8426/7758832526_cc8f681e48_c.jpg" alt=""></a>
+    <figcaption><a href="//www.flickr.com/photos/80901381@N04/7758832526/" title="Morning Fog Emerging From Trees by A Guy Taking Pictures, on Flickr">Morning Fog Emerging From Trees by A Guy Taking Pictures, on Flickr</a>.</figcaption>
 </figure>
 
 <h3 id="two-up:5767805156fe261c5b7762b9219a6127">Two Up</h3>
@@ -237,10 +237,10 @@
 <p>And you&rsquo;ll get something that looks like this:</p>
 
 <figure class="half">
-    <a href="http://placehold.it/1200x600.jpg"><img src="http://placehold.it/600x300.jpg" alt=""></a>
-    <a href="http://placehold.it/1200x600.jpg"><img src="http://placehold.it/600x300.jpg" alt=""></a>
-    <img src="http://placehold.it/600x300.jpg" alt="">
-    <img src="http://placehold.it/600x300.jpg" alt="">
+    <a href="//placehold.it/1200x600.jpg"><img src="//placehold.it/600x300.jpg" alt=""></a>
+    <a href="//placehold.it/1200x600.jpg"><img src="//placehold.it/600x300.jpg" alt=""></a>
+    <img src="//placehold.it/600x300.jpg" alt="">
+    <img src="//placehold.it/600x300.jpg" alt="">
     <figcaption>Two images.</figcaption>
 </figure>
 
@@ -248,9 +248,9 @@
 
 <p>Apply the <code>third</code> class like so to display three images side by side that share the same caption.</p>
 <div class="highlight" style="background: #272822"><pre style="line-height: 125%"><span style="color: #f8f8f2">&lt;</span><span style="color: #f92672">figure</span> <span style="color: #a6e22e">class</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;third&quot;</span><span style="color: #f8f8f2">&gt;</span>
-	<span style="color: #f8f8f2">&lt;</span><span style="color: #f92672">a</span> <span style="color: #a6e22e">href</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;http://placehold.it/1200x600.jpg&quot;</span><span style="color: #f8f8f2">&gt;&lt;</span><span style="color: #f92672">img</span> <span style="color: #a6e22e">src</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;http://placehold.it/600x300.jpg&quot;</span> <span style="color: #a6e22e">alt</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;&quot;</span><span style="color: #f8f8f2">&gt;&lt;/</span><span style="color: #f92672">a</span><span style="color: #f8f8f2">&gt;</span>
-	<span style="color: #f8f8f2">&lt;</span><span style="color: #f92672">a</span> <span style="color: #a6e22e">href</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;http://placehold.it/1200x600.jpg&quot;</span><span style="color: #f8f8f2">&gt;&lt;</span><span style="color: #f92672">img</span> <span style="color: #a6e22e">src</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;http://placehold.it/600x300.jpg&quot;</span> <span style="color: #a6e22e">alt</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;&quot;</span><span style="color: #f8f8f2">&gt;&lt;/</span><span style="color: #f92672">a</span><span style="color: #f8f8f2">&gt;</span>
-	<span style="color: #f8f8f2">&lt;</span><span style="color: #f92672">a</span> <span style="color: #a6e22e">href</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;http://placehold.it/1200x600.jpg&quot;</span><span style="color: #f8f8f2">&gt;&lt;</span><span style="color: #f92672">img</span> <span style="color: #a6e22e">src</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;http://placehold.it/600x300.jpg&quot;</span> <span style="color: #a6e22e">alt</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;&quot;</span><span style="color: #f8f8f2">&gt;&lt;/</span><span style="color: #f92672">a</span><span style="color: #f8f8f2">&gt;</span>
+	<span style="color: #f8f8f2">&lt;</span><span style="color: #f92672">a</span> <span style="color: #a6e22e">href</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;//placehold.it/1200x600.jpg&quot;</span><span style="color: #f8f8f2">&gt;&lt;</span><span style="color: #f92672">img</span> <span style="color: #a6e22e">src</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;//placehold.it/600x300.jpg&quot;</span> <span style="color: #a6e22e">alt</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;&quot;</span><span style="color: #f8f8f2">&gt;&lt;/</span><span style="color: #f92672">a</span><span style="color: #f8f8f2">&gt;</span>
+	<span style="color: #f8f8f2">&lt;</span><span style="color: #f92672">a</span> <span style="color: #a6e22e">href</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;//placehold.it/1200x600.jpg&quot;</span><span style="color: #f8f8f2">&gt;&lt;</span><span style="color: #f92672">img</span> <span style="color: #a6e22e">src</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;//placehold.it/600x300.jpg&quot;</span> <span style="color: #a6e22e">alt</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;&quot;</span><span style="color: #f8f8f2">&gt;&lt;/</span><span style="color: #f92672">a</span><span style="color: #f8f8f2">&gt;</span>
+	<span style="color: #f8f8f2">&lt;</span><span style="color: #f92672">a</span> <span style="color: #a6e22e">href</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;//placehold.it/1200x600.jpg&quot;</span><span style="color: #f8f8f2">&gt;&lt;</span><span style="color: #f92672">img</span> <span style="color: #a6e22e">src</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;//placehold.it/600x300.jpg&quot;</span> <span style="color: #a6e22e">alt</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;&quot;</span><span style="color: #f8f8f2">&gt;&lt;/</span><span style="color: #f92672">a</span><span style="color: #f8f8f2">&gt;</span>
 	<span style="color: #f8f8f2">&lt;</span><span style="color: #f92672">figcaption</span><span style="color: #f8f8f2">&gt;</span>Caption describing these three images.<span style="color: #f8f8f2">&lt;/</span><span style="color: #f92672">figcaption</span><span style="color: #f8f8f2">&gt;</span>
 <span style="color: #f8f8f2">&lt;/</span><span style="color: #f92672">figure</span><span style="color: #f8f8f2">&gt;</span>
 </pre></div>
@@ -258,12 +258,12 @@
 <p>And you&rsquo;ll get something that looks like this:</p>
 
 <figure class="third">
-    <a href="http://placehold.it/1200x600.jpg"><img src="http://placehold.it/600x300.jpg" alt=""></a>
-    <a href="http://placehold.it/1200x600.jpg"><img src="http://placehold.it/600x300.jpg" alt=""></a>
-    <a href="http://placehold.it/1200x600.jpg"><img src="http://placehold.it/600x300.jpg" alt=""></a>
-    <a href="http://placehold.it/1200x600.jpg"><img src="http://placehold.it/600x300.jpg" alt=""></a>
-    <a href="http://placehold.it/1200x600.jpg"><img src="http://placehold.it/600x300.jpg" alt=""></a>
-    <a href="http://placehold.it/1200x600.jpg"><img src="http://placehold.it/600x300.jpg" alt=""></a>
+    <a href="//placehold.it/1200x600.jpg"><img src="//placehold.it/600x300.jpg" alt=""></a>
+    <a href="//placehold.it/1200x600.jpg"><img src="//placehold.it/600x300.jpg" alt=""></a>
+    <a href="//placehold.it/1200x600.jpg"><img src="//placehold.it/600x300.jpg" alt=""></a>
+    <a href="//placehold.it/1200x600.jpg"><img src="//placehold.it/600x300.jpg" alt=""></a>
+    <a href="//placehold.it/1200x600.jpg"><img src="//placehold.it/600x300.jpg" alt=""></a>
+    <a href="//placehold.it/1200x600.jpg"><img src="//placehold.it/600x300.jpg" alt=""></a>
     <figcaption>Three images.</figcaption>
 </figure>
 
@@ -277,7 +277,7 @@ and fill the block with any number of links to images. You can mix relative and
 <div class="highlight" style="background: #272822"><pre style="line-height: 125%"><span style="color: #f8f8f2">{% </span><span style="color: #f92672">raw</span><span style="color: #f8f8f2"> %}</span>{% capture images %}
 	/images/abstract-10.jpg
 	/images/abstract-11.jpg
-	http://upload.wikimedia.org/wikipedia/en/2/24/Lenna.png
+	//upload.wikimedia.org/wikipedia/en/2/24/Lenna.png
 {% endcapture %}
 {% include gallery images=images caption=&quot;Test images&quot; cols=3 %}<span style="color: #f8f8f2">{% </span><span style="color: #f92672">endraw</span><span style="color: #f8f8f2"> %}</span>
 </pre></div>
@@ -295,7 +295,7 @@ Available values: [1..3].</li>
 <p>{% capture images %}
     /images/abstract-10.jpg
     /images/abstract-11.jpg
-    <a href="http://upload.wikimedia.org/wikipedia/en/2/24/Lenna.png">http://upload.wikimedia.org/wikipedia/en/2/24/Lenna.png</a>
+    //upload.wikimedia.org/wikipedia/en/2/24/Lenna.png
 {% endcapture %}
 {% include gallery images=images caption=&ldquo;Test images&rdquo; cols=3 %}</p>
 
diff --git a/posts/index.xml b/posts/index.xml
index 90c624c..bec23d5 100644
--- a/posts/index.xml
+++ b/posts/index.xml
@@ -75,8 +75,8 @@
 &lt;h3 id=&#34;one-up:5767805156fe261c5b7762b9219a6127&#34;&gt;One Up&lt;/h3&gt;
 
 &lt;figure&gt;
-    &lt;a href=&#34;http://farm9.staticflickr.com/8426/7758832526_cc8f681e48_b.jpg&#34;&gt;&lt;img src=&#34;http://farm9.staticflickr.com/8426/7758832526_cc8f681e48_c.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
-    &lt;figcaption&gt;&lt;a href=&#34;http://www.flickr.com/photos/80901381@N04/7758832526/&#34; title=&#34;Morning Fog Emerging From Trees by A Guy Taking Pictures, on Flickr&#34;&gt;Morning Fog Emerging From Trees by A Guy Taking Pictures, on Flickr&lt;/a&gt;.&lt;/figcaption&gt;
+    &lt;a href=&#34;//farm9.staticflickr.com/8426/7758832526_cc8f681e48_b.jpg&#34;&gt;&lt;img src=&#34;//farm9.staticflickr.com/8426/7758832526_cc8f681e48_c.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
+    &lt;figcaption&gt;&lt;a href=&#34;//www.flickr.com/photos/80901381@N04/7758832526/&#34; title=&#34;Morning Fog Emerging From Trees by A Guy Taking Pictures, on Flickr&#34;&gt;Morning Fog Emerging From Trees by A Guy Taking Pictures, on Flickr&lt;/a&gt;.&lt;/figcaption&gt;
 &lt;/figure&gt;
 
 &lt;h3 id=&#34;two-up:5767805156fe261c5b7762b9219a6127&#34;&gt;Two Up&lt;/h3&gt;
@@ -92,10 +92,10 @@
 &lt;p&gt;And you&amp;rsquo;ll get something that looks like this:&lt;/p&gt;
 
 &lt;figure class=&#34;half&#34;&gt;
-    &lt;a href=&#34;http://placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;http://placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
-    &lt;a href=&#34;http://placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;http://placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
-    &lt;img src=&#34;http://placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;
-    &lt;img src=&#34;http://placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;
+    &lt;a href=&#34;//placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;//placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
+    &lt;a href=&#34;//placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;//placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
+    &lt;img src=&#34;//placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;
+    &lt;img src=&#34;//placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;
     &lt;figcaption&gt;Two images.&lt;/figcaption&gt;
 &lt;/figure&gt;
 
@@ -103,9 +103,9 @@
 
 &lt;p&gt;Apply the &lt;code&gt;third&lt;/code&gt; class like so to display three images side by side that share the same caption.&lt;/p&gt;
 &lt;div class=&#34;highlight&#34; style=&#34;background: #272822&#34;&gt;&lt;pre style=&#34;line-height: 125%&#34;&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;lt;&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;figure&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;class&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;third&amp;quot;&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&lt;/span&gt;
-	&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;lt;&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;a&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;href&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;http://placehold.it/1200x600.jpg&amp;quot;&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&amp;lt;&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;img&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;src&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;http://placehold.it/600x300.jpg&amp;quot;&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;alt&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;&amp;quot;&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&amp;lt;/&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;a&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&lt;/span&gt;
-	&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;lt;&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;a&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;href&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;http://placehold.it/1200x600.jpg&amp;quot;&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&amp;lt;&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;img&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;src&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;http://placehold.it/600x300.jpg&amp;quot;&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;alt&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;&amp;quot;&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&amp;lt;/&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;a&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&lt;/span&gt;
-	&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;lt;&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;a&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;href&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;http://placehold.it/1200x600.jpg&amp;quot;&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&amp;lt;&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;img&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;src&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;http://placehold.it/600x300.jpg&amp;quot;&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;alt&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;&amp;quot;&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&amp;lt;/&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;a&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&lt;/span&gt;
+	&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;lt;&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;a&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;href&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;//placehold.it/1200x600.jpg&amp;quot;&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&amp;lt;&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;img&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;src&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;//placehold.it/600x300.jpg&amp;quot;&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;alt&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;&amp;quot;&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&amp;lt;/&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;a&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&lt;/span&gt;
+	&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;lt;&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;a&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;href&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;//placehold.it/1200x600.jpg&amp;quot;&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&amp;lt;&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;img&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;src&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;//placehold.it/600x300.jpg&amp;quot;&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;alt&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;&amp;quot;&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&amp;lt;/&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;a&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&lt;/span&gt;
+	&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;lt;&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;a&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;href&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;//placehold.it/1200x600.jpg&amp;quot;&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&amp;lt;&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;img&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;src&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;//placehold.it/600x300.jpg&amp;quot;&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;alt&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;&amp;quot;&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&amp;lt;/&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;a&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&lt;/span&gt;
 	&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;lt;&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;figcaption&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&lt;/span&gt;Caption describing these three images.&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;lt;/&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;figcaption&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&lt;/span&gt;
 &lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;lt;/&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;figure&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&lt;/span&gt;
 &lt;/pre&gt;&lt;/div&gt;
@@ -113,12 +113,12 @@
 &lt;p&gt;And you&amp;rsquo;ll get something that looks like this:&lt;/p&gt;
 
 &lt;figure class=&#34;third&#34;&gt;
-    &lt;a href=&#34;http://placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;http://placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
-    &lt;a href=&#34;http://placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;http://placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
-    &lt;a href=&#34;http://placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;http://placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
-    &lt;a href=&#34;http://placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;http://placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
-    &lt;a href=&#34;http://placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;http://placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
-    &lt;a href=&#34;http://placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;http://placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
+    &lt;a href=&#34;//placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;//placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
+    &lt;a href=&#34;//placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;//placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
+    &lt;a href=&#34;//placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;//placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
+    &lt;a href=&#34;//placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;//placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
+    &lt;a href=&#34;//placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;//placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
+    &lt;a href=&#34;//placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;//placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
     &lt;figcaption&gt;Three images.&lt;/figcaption&gt;
 &lt;/figure&gt;
 
@@ -132,7 +132,7 @@ and fill the block with any number of links to images. You can mix relative and
 &lt;div class=&#34;highlight&#34; style=&#34;background: #272822&#34;&gt;&lt;pre style=&#34;line-height: 125%&#34;&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;{% &lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;raw&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt; %}&lt;/span&gt;{% capture images %}
 	/images/abstract-10.jpg
 	/images/abstract-11.jpg
-	http://upload.wikimedia.org/wikipedia/en/2/24/Lenna.png
+	//upload.wikimedia.org/wikipedia/en/2/24/Lenna.png
 {% endcapture %}
 {% include gallery images=images caption=&amp;quot;Test images&amp;quot; cols=3 %}&lt;span style=&#34;color: #f8f8f2&#34;&gt;{% &lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;endraw&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt; %}&lt;/span&gt;
 &lt;/pre&gt;&lt;/div&gt;
@@ -150,7 +150,7 @@ Available values: [1..3].&lt;/li&gt;
 &lt;p&gt;{% capture images %}
     /images/abstract-10.jpg
     /images/abstract-11.jpg
-    &lt;a href=&#34;http://upload.wikimedia.org/wikipedia/en/2/24/Lenna.png&#34;&gt;http://upload.wikimedia.org/wikipedia/en/2/24/Lenna.png&lt;/a&gt;
+    //upload.wikimedia.org/wikipedia/en/2/24/Lenna.png
 {% endcapture %}
 {% include gallery images=images caption=&amp;ldquo;Test images&amp;rdquo; cols=3 %}&lt;/p&gt;
 </description>
diff --git a/tags/images/index.html b/tags/images/index.html
index b8fa87f..750830b 100644
--- a/tags/images/index.html
+++ b/tags/images/index.html
@@ -149,8 +149,8 @@
 <h3 id="one-up:5767805156fe261c5b7762b9219a6127">One Up</h3>
 
 <figure>
-    <a href="http://farm9.staticflickr.com/8426/7758832526_cc8f681e48_b.jpg"><img src="http://farm9.staticflickr.com/8426/7758832526_cc8f681e48_c.jpg" alt=""></a>
-    <figcaption><a href="http://www.flickr.com/photos/80901381@N04/7758832526/" title="Morning Fog Emerging From Trees by A Guy Taking Pictures, on Flickr">Morning Fog Emerging From Trees by A Guy Taking Pictures, on Flickr</a>.</figcaption>
+    <a href="//farm9.staticflickr.com/8426/7758832526_cc8f681e48_b.jpg"><img src="//farm9.staticflickr.com/8426/7758832526_cc8f681e48_c.jpg" alt=""></a>
+    <figcaption><a href="//www.flickr.com/photos/80901381@N04/7758832526/" title="Morning Fog Emerging From Trees by A Guy Taking Pictures, on Flickr">Morning Fog Emerging From Trees by A Guy Taking Pictures, on Flickr</a>.</figcaption>
 </figure>
 
 <h3 id="two-up:5767805156fe261c5b7762b9219a6127">Two Up</h3>
@@ -166,10 +166,10 @@
 <p>And you&rsquo;ll get something that looks like this:</p>
 
 <figure class="half">
-    <a href="http://placehold.it/1200x600.jpg"><img src="http://placehold.it/600x300.jpg" alt=""></a>
-    <a href="http://placehold.it/1200x600.jpg"><img src="http://placehold.it/600x300.jpg" alt=""></a>
-    <img src="http://placehold.it/600x300.jpg" alt="">
-    <img src="http://placehold.it/600x300.jpg" alt="">
+    <a href="//placehold.it/1200x600.jpg"><img src="//placehold.it/600x300.jpg" alt=""></a>
+    <a href="//placehold.it/1200x600.jpg"><img src="//placehold.it/600x300.jpg" alt=""></a>
+    <img src="//placehold.it/600x300.jpg" alt="">
+    <img src="//placehold.it/600x300.jpg" alt="">
     <figcaption>Two images.</figcaption>
 </figure>
 
@@ -177,9 +177,9 @@
 
 <p>Apply the <code>third</code> class like so to display three images side by side that share the same caption.</p>
 <div class="highlight" style="background: #272822"><pre style="line-height: 125%"><span style="color: #f8f8f2">&lt;</span><span style="color: #f92672">figure</span> <span style="color: #a6e22e">class</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;third&quot;</span><span style="color: #f8f8f2">&gt;</span>
-	<span style="color: #f8f8f2">&lt;</span><span style="color: #f92672">a</span> <span style="color: #a6e22e">href</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;http://placehold.it/1200x600.jpg&quot;</span><span style="color: #f8f8f2">&gt;&lt;</span><span style="color: #f92672">img</span> <span style="color: #a6e22e">src</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;http://placehold.it/600x300.jpg&quot;</span> <span style="color: #a6e22e">alt</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;&quot;</span><span style="color: #f8f8f2">&gt;&lt;/</span><span style="color: #f92672">a</span><span style="color: #f8f8f2">&gt;</span>
-	<span style="color: #f8f8f2">&lt;</span><span style="color: #f92672">a</span> <span style="color: #a6e22e">href</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;http://placehold.it/1200x600.jpg&quot;</span><span style="color: #f8f8f2">&gt;&lt;</span><span style="color: #f92672">img</span> <span style="color: #a6e22e">src</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;http://placehold.it/600x300.jpg&quot;</span> <span style="color: #a6e22e">alt</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;&quot;</span><span style="color: #f8f8f2">&gt;&lt;/</span><span style="color: #f92672">a</span><span style="color: #f8f8f2">&gt;</span>
-	<span style="color: #f8f8f2">&lt;</span><span style="color: #f92672">a</span> <span style="color: #a6e22e">href</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;http://placehold.it/1200x600.jpg&quot;</span><span style="color: #f8f8f2">&gt;&lt;</span><span style="color: #f92672">img</span> <span style="color: #a6e22e">src</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;http://placehold.it/600x300.jpg&quot;</span> <span style="color: #a6e22e">alt</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;&quot;</span><span style="color: #f8f8f2">&gt;&lt;/</span><span style="color: #f92672">a</span><span style="color: #f8f8f2">&gt;</span>
+	<span style="color: #f8f8f2">&lt;</span><span style="color: #f92672">a</span> <span style="color: #a6e22e">href</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;//placehold.it/1200x600.jpg&quot;</span><span style="color: #f8f8f2">&gt;&lt;</span><span style="color: #f92672">img</span> <span style="color: #a6e22e">src</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;//placehold.it/600x300.jpg&quot;</span> <span style="color: #a6e22e">alt</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;&quot;</span><span style="color: #f8f8f2">&gt;&lt;/</span><span style="color: #f92672">a</span><span style="color: #f8f8f2">&gt;</span>
+	<span style="color: #f8f8f2">&lt;</span><span style="color: #f92672">a</span> <span style="color: #a6e22e">href</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;//placehold.it/1200x600.jpg&quot;</span><span style="color: #f8f8f2">&gt;&lt;</span><span style="color: #f92672">img</span> <span style="color: #a6e22e">src</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;//placehold.it/600x300.jpg&quot;</span> <span style="color: #a6e22e">alt</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;&quot;</span><span style="color: #f8f8f2">&gt;&lt;/</span><span style="color: #f92672">a</span><span style="color: #f8f8f2">&gt;</span>
+	<span style="color: #f8f8f2">&lt;</span><span style="color: #f92672">a</span> <span style="color: #a6e22e">href</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;//placehold.it/1200x600.jpg&quot;</span><span style="color: #f8f8f2">&gt;&lt;</span><span style="color: #f92672">img</span> <span style="color: #a6e22e">src</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;//placehold.it/600x300.jpg&quot;</span> <span style="color: #a6e22e">alt</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;&quot;</span><span style="color: #f8f8f2">&gt;&lt;/</span><span style="color: #f92672">a</span><span style="color: #f8f8f2">&gt;</span>
 	<span style="color: #f8f8f2">&lt;</span><span style="color: #f92672">figcaption</span><span style="color: #f8f8f2">&gt;</span>Caption describing these three images.<span style="color: #f8f8f2">&lt;/</span><span style="color: #f92672">figcaption</span><span style="color: #f8f8f2">&gt;</span>
 <span style="color: #f8f8f2">&lt;/</span><span style="color: #f92672">figure</span><span style="color: #f8f8f2">&gt;</span>
 </pre></div>
@@ -187,12 +187,12 @@
 <p>And you&rsquo;ll get something that looks like this:</p>
 
 <figure class="third">
-    <a href="http://placehold.it/1200x600.jpg"><img src="http://placehold.it/600x300.jpg" alt=""></a>
-    <a href="http://placehold.it/1200x600.jpg"><img src="http://placehold.it/600x300.jpg" alt=""></a>
-    <a href="http://placehold.it/1200x600.jpg"><img src="http://placehold.it/600x300.jpg" alt=""></a>
-    <a href="http://placehold.it/1200x600.jpg"><img src="http://placehold.it/600x300.jpg" alt=""></a>
-    <a href="http://placehold.it/1200x600.jpg"><img src="http://placehold.it/600x300.jpg" alt=""></a>
-    <a href="http://placehold.it/1200x600.jpg"><img src="http://placehold.it/600x300.jpg" alt=""></a>
+    <a href="//placehold.it/1200x600.jpg"><img src="//placehold.it/600x300.jpg" alt=""></a>
+    <a href="//placehold.it/1200x600.jpg"><img src="//placehold.it/600x300.jpg" alt=""></a>
+    <a href="//placehold.it/1200x600.jpg"><img src="//placehold.it/600x300.jpg" alt=""></a>
+    <a href="//placehold.it/1200x600.jpg"><img src="//placehold.it/600x300.jpg" alt=""></a>
+    <a href="//placehold.it/1200x600.jpg"><img src="//placehold.it/600x300.jpg" alt=""></a>
+    <a href="//placehold.it/1200x600.jpg"><img src="//placehold.it/600x300.jpg" alt=""></a>
     <figcaption>Three images.</figcaption>
 </figure>
 
@@ -206,7 +206,7 @@ and fill the block with any number of links to images. You can mix relative and
 <div class="highlight" style="background: #272822"><pre style="line-height: 125%"><span style="color: #f8f8f2">{% </span><span style="color: #f92672">raw</span><span style="color: #f8f8f2"> %}</span>{% capture images %}
 	/images/abstract-10.jpg
 	/images/abstract-11.jpg
-	http://upload.wikimedia.org/wikipedia/en/2/24/Lenna.png
+	//upload.wikimedia.org/wikipedia/en/2/24/Lenna.png
 {% endcapture %}
 {% include gallery images=images caption=&quot;Test images&quot; cols=3 %}<span style="color: #f8f8f2">{% </span><span style="color: #f92672">endraw</span><span style="color: #f8f8f2"> %}</span>
 </pre></div>
@@ -224,7 +224,7 @@ Available values: [1..3].</li>
 <p>{% capture images %}
     /images/abstract-10.jpg
     /images/abstract-11.jpg
-    <a href="http://upload.wikimedia.org/wikipedia/en/2/24/Lenna.png">http://upload.wikimedia.org/wikipedia/en/2/24/Lenna.png</a>
+    //upload.wikimedia.org/wikipedia/en/2/24/Lenna.png
 {% endcapture %}
 {% include gallery images=images caption=&ldquo;Test images&rdquo; cols=3 %}</p>
 
diff --git a/tags/images/index.xml b/tags/images/index.xml
index cef641f..fe7d663 100644
--- a/tags/images/index.xml
+++ b/tags/images/index.xml
@@ -23,8 +23,8 @@
 &lt;h3 id=&#34;one-up:5767805156fe261c5b7762b9219a6127&#34;&gt;One Up&lt;/h3&gt;
 
 &lt;figure&gt;
-    &lt;a href=&#34;http://farm9.staticflickr.com/8426/7758832526_cc8f681e48_b.jpg&#34;&gt;&lt;img src=&#34;http://farm9.staticflickr.com/8426/7758832526_cc8f681e48_c.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
-    &lt;figcaption&gt;&lt;a href=&#34;http://www.flickr.com/photos/80901381@N04/7758832526/&#34; title=&#34;Morning Fog Emerging From Trees by A Guy Taking Pictures, on Flickr&#34;&gt;Morning Fog Emerging From Trees by A Guy Taking Pictures, on Flickr&lt;/a&gt;.&lt;/figcaption&gt;
+    &lt;a href=&#34;//farm9.staticflickr.com/8426/7758832526_cc8f681e48_b.jpg&#34;&gt;&lt;img src=&#34;//farm9.staticflickr.com/8426/7758832526_cc8f681e48_c.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
+    &lt;figcaption&gt;&lt;a href=&#34;//www.flickr.com/photos/80901381@N04/7758832526/&#34; title=&#34;Morning Fog Emerging From Trees by A Guy Taking Pictures, on Flickr&#34;&gt;Morning Fog Emerging From Trees by A Guy Taking Pictures, on Flickr&lt;/a&gt;.&lt;/figcaption&gt;
 &lt;/figure&gt;
 
 &lt;h3 id=&#34;two-up:5767805156fe261c5b7762b9219a6127&#34;&gt;Two Up&lt;/h3&gt;
@@ -40,10 +40,10 @@
 &lt;p&gt;And you&amp;rsquo;ll get something that looks like this:&lt;/p&gt;
 
 &lt;figure class=&#34;half&#34;&gt;
-    &lt;a href=&#34;http://placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;http://placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
-    &lt;a href=&#34;http://placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;http://placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
-    &lt;img src=&#34;http://placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;
-    &lt;img src=&#34;http://placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;
+    &lt;a href=&#34;//placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;//placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
+    &lt;a href=&#34;//placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;//placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
+    &lt;img src=&#34;//placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;
+    &lt;img src=&#34;//placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;
     &lt;figcaption&gt;Two images.&lt;/figcaption&gt;
 &lt;/figure&gt;
 
@@ -51,9 +51,9 @@
 
 &lt;p&gt;Apply the &lt;code&gt;third&lt;/code&gt; class like so to display three images side by side that share the same caption.&lt;/p&gt;
 &lt;div class=&#34;highlight&#34; style=&#34;background: #272822&#34;&gt;&lt;pre style=&#34;line-height: 125%&#34;&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;lt;&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;figure&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;class&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;third&amp;quot;&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&lt;/span&gt;
-	&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;lt;&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;a&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;href&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;http://placehold.it/1200x600.jpg&amp;quot;&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&amp;lt;&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;img&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;src&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;http://placehold.it/600x300.jpg&amp;quot;&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;alt&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;&amp;quot;&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&amp;lt;/&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;a&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&lt;/span&gt;
-	&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;lt;&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;a&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;href&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;http://placehold.it/1200x600.jpg&amp;quot;&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&amp;lt;&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;img&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;src&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;http://placehold.it/600x300.jpg&amp;quot;&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;alt&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;&amp;quot;&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&amp;lt;/&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;a&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&lt;/span&gt;
-	&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;lt;&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;a&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;href&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;http://placehold.it/1200x600.jpg&amp;quot;&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&amp;lt;&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;img&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;src&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;http://placehold.it/600x300.jpg&amp;quot;&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;alt&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;&amp;quot;&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&amp;lt;/&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;a&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&lt;/span&gt;
+	&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;lt;&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;a&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;href&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;//placehold.it/1200x600.jpg&amp;quot;&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&amp;lt;&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;img&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;src&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;//placehold.it/600x300.jpg&amp;quot;&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;alt&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;&amp;quot;&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&amp;lt;/&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;a&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&lt;/span&gt;
+	&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;lt;&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;a&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;href&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;//placehold.it/1200x600.jpg&amp;quot;&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&amp;lt;&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;img&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;src&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;//placehold.it/600x300.jpg&amp;quot;&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;alt&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;&amp;quot;&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&amp;lt;/&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;a&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&lt;/span&gt;
+	&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;lt;&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;a&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;href&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;//placehold.it/1200x600.jpg&amp;quot;&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&amp;lt;&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;img&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;src&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;//placehold.it/600x300.jpg&amp;quot;&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;alt&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;&amp;quot;&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&amp;lt;/&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;a&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&lt;/span&gt;
 	&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;lt;&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;figcaption&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&lt;/span&gt;Caption describing these three images.&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;lt;/&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;figcaption&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&lt;/span&gt;
 &lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;lt;/&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;figure&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&lt;/span&gt;
 &lt;/pre&gt;&lt;/div&gt;
@@ -61,12 +61,12 @@
 &lt;p&gt;And you&amp;rsquo;ll get something that looks like this:&lt;/p&gt;
 
 &lt;figure class=&#34;third&#34;&gt;
-    &lt;a href=&#34;http://placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;http://placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
-    &lt;a href=&#34;http://placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;http://placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
-    &lt;a href=&#34;http://placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;http://placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
-    &lt;a href=&#34;http://placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;http://placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
-    &lt;a href=&#34;http://placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;http://placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
-    &lt;a href=&#34;http://placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;http://placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
+    &lt;a href=&#34;//placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;//placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
+    &lt;a href=&#34;//placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;//placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
+    &lt;a href=&#34;//placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;//placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
+    &lt;a href=&#34;//placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;//placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
+    &lt;a href=&#34;//placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;//placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
+    &lt;a href=&#34;//placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;//placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
     &lt;figcaption&gt;Three images.&lt;/figcaption&gt;
 &lt;/figure&gt;
 
@@ -80,7 +80,7 @@ and fill the block with any number of links to images. You can mix relative and
 &lt;div class=&#34;highlight&#34; style=&#34;background: #272822&#34;&gt;&lt;pre style=&#34;line-height: 125%&#34;&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;{% &lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;raw&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt; %}&lt;/span&gt;{% capture images %}
 	/images/abstract-10.jpg
 	/images/abstract-11.jpg
-	http://upload.wikimedia.org/wikipedia/en/2/24/Lenna.png
+	//upload.wikimedia.org/wikipedia/en/2/24/Lenna.png
 {% endcapture %}
 {% include gallery images=images caption=&amp;quot;Test images&amp;quot; cols=3 %}&lt;span style=&#34;color: #f8f8f2&#34;&gt;{% &lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;endraw&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt; %}&lt;/span&gt;
 &lt;/pre&gt;&lt;/div&gt;
@@ -98,7 +98,7 @@ Available values: [1..3].&lt;/li&gt;
 &lt;p&gt;{% capture images %}
     /images/abstract-10.jpg
     /images/abstract-11.jpg
-    &lt;a href=&#34;http://upload.wikimedia.org/wikipedia/en/2/24/Lenna.png&#34;&gt;http://upload.wikimedia.org/wikipedia/en/2/24/Lenna.png&lt;/a&gt;
+    //upload.wikimedia.org/wikipedia/en/2/24/Lenna.png
 {% endcapture %}
 {% include gallery images=images caption=&amp;ldquo;Test images&amp;rdquo; cols=3 %}&lt;/p&gt;
 </description>
diff --git a/tags/sample-post/index.html b/tags/sample-post/index.html
index c7a8a4a..7ad0728 100644
--- a/tags/sample-post/index.html
+++ b/tags/sample-post/index.html
@@ -214,8 +214,8 @@
 <h3 id="one-up:5767805156fe261c5b7762b9219a6127">One Up</h3>
 
 <figure>
-    <a href="http://farm9.staticflickr.com/8426/7758832526_cc8f681e48_b.jpg"><img src="http://farm9.staticflickr.com/8426/7758832526_cc8f681e48_c.jpg" alt=""></a>
-    <figcaption><a href="http://www.flickr.com/photos/80901381@N04/7758832526/" title="Morning Fog Emerging From Trees by A Guy Taking Pictures, on Flickr">Morning Fog Emerging From Trees by A Guy Taking Pictures, on Flickr</a>.</figcaption>
+    <a href="//farm9.staticflickr.com/8426/7758832526_cc8f681e48_b.jpg"><img src="//farm9.staticflickr.com/8426/7758832526_cc8f681e48_c.jpg" alt=""></a>
+    <figcaption><a href="//www.flickr.com/photos/80901381@N04/7758832526/" title="Morning Fog Emerging From Trees by A Guy Taking Pictures, on Flickr">Morning Fog Emerging From Trees by A Guy Taking Pictures, on Flickr</a>.</figcaption>
 </figure>
 
 <h3 id="two-up:5767805156fe261c5b7762b9219a6127">Two Up</h3>
@@ -231,10 +231,10 @@
 <p>And you&rsquo;ll get something that looks like this:</p>
 
 <figure class="half">
-    <a href="http://placehold.it/1200x600.jpg"><img src="http://placehold.it/600x300.jpg" alt=""></a>
-    <a href="http://placehold.it/1200x600.jpg"><img src="http://placehold.it/600x300.jpg" alt=""></a>
-    <img src="http://placehold.it/600x300.jpg" alt="">
-    <img src="http://placehold.it/600x300.jpg" alt="">
+    <a href="//placehold.it/1200x600.jpg"><img src="//placehold.it/600x300.jpg" alt=""></a>
+    <a href="//placehold.it/1200x600.jpg"><img src="//placehold.it/600x300.jpg" alt=""></a>
+    <img src="//placehold.it/600x300.jpg" alt="">
+    <img src="//placehold.it/600x300.jpg" alt="">
     <figcaption>Two images.</figcaption>
 </figure>
 
@@ -242,9 +242,9 @@
 
 <p>Apply the <code>third</code> class like so to display three images side by side that share the same caption.</p>
 <div class="highlight" style="background: #272822"><pre style="line-height: 125%"><span style="color: #f8f8f2">&lt;</span><span style="color: #f92672">figure</span> <span style="color: #a6e22e">class</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;third&quot;</span><span style="color: #f8f8f2">&gt;</span>
-	<span style="color: #f8f8f2">&lt;</span><span style="color: #f92672">a</span> <span style="color: #a6e22e">href</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;http://placehold.it/1200x600.jpg&quot;</span><span style="color: #f8f8f2">&gt;&lt;</span><span style="color: #f92672">img</span> <span style="color: #a6e22e">src</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;http://placehold.it/600x300.jpg&quot;</span> <span style="color: #a6e22e">alt</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;&quot;</span><span style="color: #f8f8f2">&gt;&lt;/</span><span style="color: #f92672">a</span><span style="color: #f8f8f2">&gt;</span>
-	<span style="color: #f8f8f2">&lt;</span><span style="color: #f92672">a</span> <span style="color: #a6e22e">href</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;http://placehold.it/1200x600.jpg&quot;</span><span style="color: #f8f8f2">&gt;&lt;</span><span style="color: #f92672">img</span> <span style="color: #a6e22e">src</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;http://placehold.it/600x300.jpg&quot;</span> <span style="color: #a6e22e">alt</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;&quot;</span><span style="color: #f8f8f2">&gt;&lt;/</span><span style="color: #f92672">a</span><span style="color: #f8f8f2">&gt;</span>
-	<span style="color: #f8f8f2">&lt;</span><span style="color: #f92672">a</span> <span style="color: #a6e22e">href</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;http://placehold.it/1200x600.jpg&quot;</span><span style="color: #f8f8f2">&gt;&lt;</span><span style="color: #f92672">img</span> <span style="color: #a6e22e">src</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;http://placehold.it/600x300.jpg&quot;</span> <span style="color: #a6e22e">alt</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;&quot;</span><span style="color: #f8f8f2">&gt;&lt;/</span><span style="color: #f92672">a</span><span style="color: #f8f8f2">&gt;</span>
+	<span style="color: #f8f8f2">&lt;</span><span style="color: #f92672">a</span> <span style="color: #a6e22e">href</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;//placehold.it/1200x600.jpg&quot;</span><span style="color: #f8f8f2">&gt;&lt;</span><span style="color: #f92672">img</span> <span style="color: #a6e22e">src</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;//placehold.it/600x300.jpg&quot;</span> <span style="color: #a6e22e">alt</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;&quot;</span><span style="color: #f8f8f2">&gt;&lt;/</span><span style="color: #f92672">a</span><span style="color: #f8f8f2">&gt;</span>
+	<span style="color: #f8f8f2">&lt;</span><span style="color: #f92672">a</span> <span style="color: #a6e22e">href</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;//placehold.it/1200x600.jpg&quot;</span><span style="color: #f8f8f2">&gt;&lt;</span><span style="color: #f92672">img</span> <span style="color: #a6e22e">src</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;//placehold.it/600x300.jpg&quot;</span> <span style="color: #a6e22e">alt</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;&quot;</span><span style="color: #f8f8f2">&gt;&lt;/</span><span style="color: #f92672">a</span><span style="color: #f8f8f2">&gt;</span>
+	<span style="color: #f8f8f2">&lt;</span><span style="color: #f92672">a</span> <span style="color: #a6e22e">href</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;//placehold.it/1200x600.jpg&quot;</span><span style="color: #f8f8f2">&gt;&lt;</span><span style="color: #f92672">img</span> <span style="color: #a6e22e">src</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;//placehold.it/600x300.jpg&quot;</span> <span style="color: #a6e22e">alt</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;&quot;</span><span style="color: #f8f8f2">&gt;&lt;/</span><span style="color: #f92672">a</span><span style="color: #f8f8f2">&gt;</span>
 	<span style="color: #f8f8f2">&lt;</span><span style="color: #f92672">figcaption</span><span style="color: #f8f8f2">&gt;</span>Caption describing these three images.<span style="color: #f8f8f2">&lt;/</span><span style="color: #f92672">figcaption</span><span style="color: #f8f8f2">&gt;</span>
 <span style="color: #f8f8f2">&lt;/</span><span style="color: #f92672">figure</span><span style="color: #f8f8f2">&gt;</span>
 </pre></div>
@@ -252,12 +252,12 @@
 <p>And you&rsquo;ll get something that looks like this:</p>
 
 <figure class="third">
-    <a href="http://placehold.it/1200x600.jpg"><img src="http://placehold.it/600x300.jpg" alt=""></a>
-    <a href="http://placehold.it/1200x600.jpg"><img src="http://placehold.it/600x300.jpg" alt=""></a>
-    <a href="http://placehold.it/1200x600.jpg"><img src="http://placehold.it/600x300.jpg" alt=""></a>
-    <a href="http://placehold.it/1200x600.jpg"><img src="http://placehold.it/600x300.jpg" alt=""></a>
-    <a href="http://placehold.it/1200x600.jpg"><img src="http://placehold.it/600x300.jpg" alt=""></a>
-    <a href="http://placehold.it/1200x600.jpg"><img src="http://placehold.it/600x300.jpg" alt=""></a>
+    <a href="//placehold.it/1200x600.jpg"><img src="//placehold.it/600x300.jpg" alt=""></a>
+    <a href="//placehold.it/1200x600.jpg"><img src="//placehold.it/600x300.jpg" alt=""></a>
+    <a href="//placehold.it/1200x600.jpg"><img src="//placehold.it/600x300.jpg" alt=""></a>
+    <a href="//placehold.it/1200x600.jpg"><img src="//placehold.it/600x300.jpg" alt=""></a>
+    <a href="//placehold.it/1200x600.jpg"><img src="//placehold.it/600x300.jpg" alt=""></a>
+    <a href="//placehold.it/1200x600.jpg"><img src="//placehold.it/600x300.jpg" alt=""></a>
     <figcaption>Three images.</figcaption>
 </figure>
 
@@ -271,7 +271,7 @@ and fill the block with any number of links to images. You can mix relative and
 <div class="highlight" style="background: #272822"><pre style="line-height: 125%"><span style="color: #f8f8f2">{% </span><span style="color: #f92672">raw</span><span style="color: #f8f8f2"> %}</span>{% capture images %}
 	/images/abstract-10.jpg
 	/images/abstract-11.jpg
-	http://upload.wikimedia.org/wikipedia/en/2/24/Lenna.png
+	//upload.wikimedia.org/wikipedia/en/2/24/Lenna.png
 {% endcapture %}
 {% include gallery images=images caption=&quot;Test images&quot; cols=3 %}<span style="color: #f8f8f2">{% </span><span style="color: #f92672">endraw</span><span style="color: #f8f8f2"> %}</span>
 </pre></div>
@@ -289,7 +289,7 @@ Available values: [1..3].</li>
 <p>{% capture images %}
     /images/abstract-10.jpg
     /images/abstract-11.jpg
-    <a href="http://upload.wikimedia.org/wikipedia/en/2/24/Lenna.png">http://upload.wikimedia.org/wikipedia/en/2/24/Lenna.png</a>
+    //upload.wikimedia.org/wikipedia/en/2/24/Lenna.png
 {% endcapture %}
 {% include gallery images=images caption=&ldquo;Test images&rdquo; cols=3 %}</p>
 
diff --git a/tags/sample-post/index.xml b/tags/sample-post/index.xml
index e3179dc..420b2e6 100644
--- a/tags/sample-post/index.xml
+++ b/tags/sample-post/index.xml
@@ -75,8 +75,8 @@
 &lt;h3 id=&#34;one-up:5767805156fe261c5b7762b9219a6127&#34;&gt;One Up&lt;/h3&gt;
 
 &lt;figure&gt;
-    &lt;a href=&#34;http://farm9.staticflickr.com/8426/7758832526_cc8f681e48_b.jpg&#34;&gt;&lt;img src=&#34;http://farm9.staticflickr.com/8426/7758832526_cc8f681e48_c.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
-    &lt;figcaption&gt;&lt;a href=&#34;http://www.flickr.com/photos/80901381@N04/7758832526/&#34; title=&#34;Morning Fog Emerging From Trees by A Guy Taking Pictures, on Flickr&#34;&gt;Morning Fog Emerging From Trees by A Guy Taking Pictures, on Flickr&lt;/a&gt;.&lt;/figcaption&gt;
+    &lt;a href=&#34;//farm9.staticflickr.com/8426/7758832526_cc8f681e48_b.jpg&#34;&gt;&lt;img src=&#34;//farm9.staticflickr.com/8426/7758832526_cc8f681e48_c.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
+    &lt;figcaption&gt;&lt;a href=&#34;//www.flickr.com/photos/80901381@N04/7758832526/&#34; title=&#34;Morning Fog Emerging From Trees by A Guy Taking Pictures, on Flickr&#34;&gt;Morning Fog Emerging From Trees by A Guy Taking Pictures, on Flickr&lt;/a&gt;.&lt;/figcaption&gt;
 &lt;/figure&gt;
 
 &lt;h3 id=&#34;two-up:5767805156fe261c5b7762b9219a6127&#34;&gt;Two Up&lt;/h3&gt;
@@ -92,10 +92,10 @@
 &lt;p&gt;And you&amp;rsquo;ll get something that looks like this:&lt;/p&gt;
 
 &lt;figure class=&#34;half&#34;&gt;
-    &lt;a href=&#34;http://placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;http://placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
-    &lt;a href=&#34;http://placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;http://placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
-    &lt;img src=&#34;http://placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;
-    &lt;img src=&#34;http://placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;
+    &lt;a href=&#34;//placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;//placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
+    &lt;a href=&#34;//placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;//placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
+    &lt;img src=&#34;//placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;
+    &lt;img src=&#34;//placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;
     &lt;figcaption&gt;Two images.&lt;/figcaption&gt;
 &lt;/figure&gt;
 
@@ -103,9 +103,9 @@
 
 &lt;p&gt;Apply the &lt;code&gt;third&lt;/code&gt; class like so to display three images side by side that share the same caption.&lt;/p&gt;
 &lt;div class=&#34;highlight&#34; style=&#34;background: #272822&#34;&gt;&lt;pre style=&#34;line-height: 125%&#34;&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;lt;&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;figure&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;class&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;third&amp;quot;&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&lt;/span&gt;
-	&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;lt;&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;a&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;href&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;http://placehold.it/1200x600.jpg&amp;quot;&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&amp;lt;&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;img&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;src&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;http://placehold.it/600x300.jpg&amp;quot;&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;alt&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;&amp;quot;&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&amp;lt;/&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;a&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&lt;/span&gt;
-	&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;lt;&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;a&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;href&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;http://placehold.it/1200x600.jpg&amp;quot;&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&amp;lt;&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;img&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;src&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;http://placehold.it/600x300.jpg&amp;quot;&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;alt&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;&amp;quot;&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&amp;lt;/&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;a&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&lt;/span&gt;
-	&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;lt;&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;a&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;href&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;http://placehold.it/1200x600.jpg&amp;quot;&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&amp;lt;&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;img&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;src&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;http://placehold.it/600x300.jpg&amp;quot;&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;alt&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;&amp;quot;&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&amp;lt;/&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;a&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&lt;/span&gt;
+	&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;lt;&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;a&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;href&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;//placehold.it/1200x600.jpg&amp;quot;&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&amp;lt;&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;img&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;src&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;//placehold.it/600x300.jpg&amp;quot;&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;alt&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;&amp;quot;&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&amp;lt;/&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;a&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&lt;/span&gt;
+	&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;lt;&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;a&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;href&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;//placehold.it/1200x600.jpg&amp;quot;&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&amp;lt;&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;img&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;src&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;//placehold.it/600x300.jpg&amp;quot;&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;alt&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;&amp;quot;&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&amp;lt;/&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;a&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&lt;/span&gt;
+	&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;lt;&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;a&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;href&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;//placehold.it/1200x600.jpg&amp;quot;&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&amp;lt;&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;img&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;src&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;//placehold.it/600x300.jpg&amp;quot;&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;alt&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;&amp;quot;&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&amp;lt;/&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;a&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&lt;/span&gt;
 	&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;lt;&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;figcaption&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&lt;/span&gt;Caption describing these three images.&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;lt;/&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;figcaption&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&lt;/span&gt;
 &lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;lt;/&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;figure&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&lt;/span&gt;
 &lt;/pre&gt;&lt;/div&gt;
@@ -113,12 +113,12 @@
 &lt;p&gt;And you&amp;rsquo;ll get something that looks like this:&lt;/p&gt;
 
 &lt;figure class=&#34;third&#34;&gt;
-    &lt;a href=&#34;http://placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;http://placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
-    &lt;a href=&#34;http://placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;http://placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
-    &lt;a href=&#34;http://placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;http://placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
-    &lt;a href=&#34;http://placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;http://placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
-    &lt;a href=&#34;http://placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;http://placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
-    &lt;a href=&#34;http://placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;http://placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
+    &lt;a href=&#34;//placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;//placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
+    &lt;a href=&#34;//placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;//placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
+    &lt;a href=&#34;//placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;//placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
+    &lt;a href=&#34;//placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;//placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
+    &lt;a href=&#34;//placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;//placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
+    &lt;a href=&#34;//placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;//placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
     &lt;figcaption&gt;Three images.&lt;/figcaption&gt;
 &lt;/figure&gt;
 
@@ -132,7 +132,7 @@ and fill the block with any number of links to images. You can mix relative and
 &lt;div class=&#34;highlight&#34; style=&#34;background: #272822&#34;&gt;&lt;pre style=&#34;line-height: 125%&#34;&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;{% &lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;raw&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt; %}&lt;/span&gt;{% capture images %}
 	/images/abstract-10.jpg
 	/images/abstract-11.jpg
-	http://upload.wikimedia.org/wikipedia/en/2/24/Lenna.png
+	//upload.wikimedia.org/wikipedia/en/2/24/Lenna.png
 {% endcapture %}
 {% include gallery images=images caption=&amp;quot;Test images&amp;quot; cols=3 %}&lt;span style=&#34;color: #f8f8f2&#34;&gt;{% &lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;endraw&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt; %}&lt;/span&gt;
 &lt;/pre&gt;&lt;/div&gt;
@@ -150,7 +150,7 @@ Available values: [1..3].&lt;/li&gt;
 &lt;p&gt;{% capture images %}
     /images/abstract-10.jpg
     /images/abstract-11.jpg
-    &lt;a href=&#34;http://upload.wikimedia.org/wikipedia/en/2/24/Lenna.png&#34;&gt;http://upload.wikimedia.org/wikipedia/en/2/24/Lenna.png&lt;/a&gt;
+    //upload.wikimedia.org/wikipedia/en/2/24/Lenna.png
 {% endcapture %}
 {% include gallery images=images caption=&amp;ldquo;Test images&amp;rdquo; cols=3 %}&lt;/p&gt;
 </description>
diff --git a/tags/test/index.html b/tags/test/index.html
index 04deccc..6976f26 100644
--- a/tags/test/index.html
+++ b/tags/test/index.html
@@ -149,8 +149,8 @@
 <h3 id="one-up:5767805156fe261c5b7762b9219a6127">One Up</h3>
 
 <figure>
-    <a href="http://farm9.staticflickr.com/8426/7758832526_cc8f681e48_b.jpg"><img src="http://farm9.staticflickr.com/8426/7758832526_cc8f681e48_c.jpg" alt=""></a>
-    <figcaption><a href="http://www.flickr.com/photos/80901381@N04/7758832526/" title="Morning Fog Emerging From Trees by A Guy Taking Pictures, on Flickr">Morning Fog Emerging From Trees by A Guy Taking Pictures, on Flickr</a>.</figcaption>
+    <a href="//farm9.staticflickr.com/8426/7758832526_cc8f681e48_b.jpg"><img src="//farm9.staticflickr.com/8426/7758832526_cc8f681e48_c.jpg" alt=""></a>
+    <figcaption><a href="//www.flickr.com/photos/80901381@N04/7758832526/" title="Morning Fog Emerging From Trees by A Guy Taking Pictures, on Flickr">Morning Fog Emerging From Trees by A Guy Taking Pictures, on Flickr</a>.</figcaption>
 </figure>
 
 <h3 id="two-up:5767805156fe261c5b7762b9219a6127">Two Up</h3>
@@ -166,10 +166,10 @@
 <p>And you&rsquo;ll get something that looks like this:</p>
 
 <figure class="half">
-    <a href="http://placehold.it/1200x600.jpg"><img src="http://placehold.it/600x300.jpg" alt=""></a>
-    <a href="http://placehold.it/1200x600.jpg"><img src="http://placehold.it/600x300.jpg" alt=""></a>
-    <img src="http://placehold.it/600x300.jpg" alt="">
-    <img src="http://placehold.it/600x300.jpg" alt="">
+    <a href="//placehold.it/1200x600.jpg"><img src="//placehold.it/600x300.jpg" alt=""></a>
+    <a href="//placehold.it/1200x600.jpg"><img src="//placehold.it/600x300.jpg" alt=""></a>
+    <img src="//placehold.it/600x300.jpg" alt="">
+    <img src="//placehold.it/600x300.jpg" alt="">
     <figcaption>Two images.</figcaption>
 </figure>
 
@@ -177,9 +177,9 @@
 
 <p>Apply the <code>third</code> class like so to display three images side by side that share the same caption.</p>
 <div class="highlight" style="background: #272822"><pre style="line-height: 125%"><span style="color: #f8f8f2">&lt;</span><span style="color: #f92672">figure</span> <span style="color: #a6e22e">class</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;third&quot;</span><span style="color: #f8f8f2">&gt;</span>
-	<span style="color: #f8f8f2">&lt;</span><span style="color: #f92672">a</span> <span style="color: #a6e22e">href</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;http://placehold.it/1200x600.jpg&quot;</span><span style="color: #f8f8f2">&gt;&lt;</span><span style="color: #f92672">img</span> <span style="color: #a6e22e">src</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;http://placehold.it/600x300.jpg&quot;</span> <span style="color: #a6e22e">alt</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;&quot;</span><span style="color: #f8f8f2">&gt;&lt;/</span><span style="color: #f92672">a</span><span style="color: #f8f8f2">&gt;</span>
-	<span style="color: #f8f8f2">&lt;</span><span style="color: #f92672">a</span> <span style="color: #a6e22e">href</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;http://placehold.it/1200x600.jpg&quot;</span><span style="color: #f8f8f2">&gt;&lt;</span><span style="color: #f92672">img</span> <span style="color: #a6e22e">src</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;http://placehold.it/600x300.jpg&quot;</span> <span style="color: #a6e22e">alt</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;&quot;</span><span style="color: #f8f8f2">&gt;&lt;/</span><span style="color: #f92672">a</span><span style="color: #f8f8f2">&gt;</span>
-	<span style="color: #f8f8f2">&lt;</span><span style="color: #f92672">a</span> <span style="color: #a6e22e">href</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;http://placehold.it/1200x600.jpg&quot;</span><span style="color: #f8f8f2">&gt;&lt;</span><span style="color: #f92672">img</span> <span style="color: #a6e22e">src</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;http://placehold.it/600x300.jpg&quot;</span> <span style="color: #a6e22e">alt</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;&quot;</span><span style="color: #f8f8f2">&gt;&lt;/</span><span style="color: #f92672">a</span><span style="color: #f8f8f2">&gt;</span>
+	<span style="color: #f8f8f2">&lt;</span><span style="color: #f92672">a</span> <span style="color: #a6e22e">href</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;//placehold.it/1200x600.jpg&quot;</span><span style="color: #f8f8f2">&gt;&lt;</span><span style="color: #f92672">img</span> <span style="color: #a6e22e">src</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;//placehold.it/600x300.jpg&quot;</span> <span style="color: #a6e22e">alt</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;&quot;</span><span style="color: #f8f8f2">&gt;&lt;/</span><span style="color: #f92672">a</span><span style="color: #f8f8f2">&gt;</span>
+	<span style="color: #f8f8f2">&lt;</span><span style="color: #f92672">a</span> <span style="color: #a6e22e">href</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;//placehold.it/1200x600.jpg&quot;</span><span style="color: #f8f8f2">&gt;&lt;</span><span style="color: #f92672">img</span> <span style="color: #a6e22e">src</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;//placehold.it/600x300.jpg&quot;</span> <span style="color: #a6e22e">alt</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;&quot;</span><span style="color: #f8f8f2">&gt;&lt;/</span><span style="color: #f92672">a</span><span style="color: #f8f8f2">&gt;</span>
+	<span style="color: #f8f8f2">&lt;</span><span style="color: #f92672">a</span> <span style="color: #a6e22e">href</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;//placehold.it/1200x600.jpg&quot;</span><span style="color: #f8f8f2">&gt;&lt;</span><span style="color: #f92672">img</span> <span style="color: #a6e22e">src</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;//placehold.it/600x300.jpg&quot;</span> <span style="color: #a6e22e">alt</span><span style="color: #f92672">=</span><span style="color: #e6db74">&quot;&quot;</span><span style="color: #f8f8f2">&gt;&lt;/</span><span style="color: #f92672">a</span><span style="color: #f8f8f2">&gt;</span>
 	<span style="color: #f8f8f2">&lt;</span><span style="color: #f92672">figcaption</span><span style="color: #f8f8f2">&gt;</span>Caption describing these three images.<span style="color: #f8f8f2">&lt;/</span><span style="color: #f92672">figcaption</span><span style="color: #f8f8f2">&gt;</span>
 <span style="color: #f8f8f2">&lt;/</span><span style="color: #f92672">figure</span><span style="color: #f8f8f2">&gt;</span>
 </pre></div>
@@ -187,12 +187,12 @@
 <p>And you&rsquo;ll get something that looks like this:</p>
 
 <figure class="third">
-    <a href="http://placehold.it/1200x600.jpg"><img src="http://placehold.it/600x300.jpg" alt=""></a>
-    <a href="http://placehold.it/1200x600.jpg"><img src="http://placehold.it/600x300.jpg" alt=""></a>
-    <a href="http://placehold.it/1200x600.jpg"><img src="http://placehold.it/600x300.jpg" alt=""></a>
-    <a href="http://placehold.it/1200x600.jpg"><img src="http://placehold.it/600x300.jpg" alt=""></a>
-    <a href="http://placehold.it/1200x600.jpg"><img src="http://placehold.it/600x300.jpg" alt=""></a>
-    <a href="http://placehold.it/1200x600.jpg"><img src="http://placehold.it/600x300.jpg" alt=""></a>
+    <a href="//placehold.it/1200x600.jpg"><img src="//placehold.it/600x300.jpg" alt=""></a>
+    <a href="//placehold.it/1200x600.jpg"><img src="//placehold.it/600x300.jpg" alt=""></a>
+    <a href="//placehold.it/1200x600.jpg"><img src="//placehold.it/600x300.jpg" alt=""></a>
+    <a href="//placehold.it/1200x600.jpg"><img src="//placehold.it/600x300.jpg" alt=""></a>
+    <a href="//placehold.it/1200x600.jpg"><img src="//placehold.it/600x300.jpg" alt=""></a>
+    <a href="//placehold.it/1200x600.jpg"><img src="//placehold.it/600x300.jpg" alt=""></a>
     <figcaption>Three images.</figcaption>
 </figure>
 
@@ -206,7 +206,7 @@ and fill the block with any number of links to images. You can mix relative and
 <div class="highlight" style="background: #272822"><pre style="line-height: 125%"><span style="color: #f8f8f2">{% </span><span style="color: #f92672">raw</span><span style="color: #f8f8f2"> %}</span>{% capture images %}
 	/images/abstract-10.jpg
 	/images/abstract-11.jpg
-	http://upload.wikimedia.org/wikipedia/en/2/24/Lenna.png
+	//upload.wikimedia.org/wikipedia/en/2/24/Lenna.png
 {% endcapture %}
 {% include gallery images=images caption=&quot;Test images&quot; cols=3 %}<span style="color: #f8f8f2">{% </span><span style="color: #f92672">endraw</span><span style="color: #f8f8f2"> %}</span>
 </pre></div>
@@ -224,7 +224,7 @@ Available values: [1..3].</li>
 <p>{% capture images %}
     /images/abstract-10.jpg
     /images/abstract-11.jpg
-    <a href="http://upload.wikimedia.org/wikipedia/en/2/24/Lenna.png">http://upload.wikimedia.org/wikipedia/en/2/24/Lenna.png</a>
+    //upload.wikimedia.org/wikipedia/en/2/24/Lenna.png
 {% endcapture %}
 {% include gallery images=images caption=&ldquo;Test images&rdquo; cols=3 %}</p>
 
diff --git a/tags/test/index.xml b/tags/test/index.xml
index da63a4a..82f644d 100644
--- a/tags/test/index.xml
+++ b/tags/test/index.xml
@@ -23,8 +23,8 @@
 &lt;h3 id=&#34;one-up:5767805156fe261c5b7762b9219a6127&#34;&gt;One Up&lt;/h3&gt;
 
 &lt;figure&gt;
-    &lt;a href=&#34;http://farm9.staticflickr.com/8426/7758832526_cc8f681e48_b.jpg&#34;&gt;&lt;img src=&#34;http://farm9.staticflickr.com/8426/7758832526_cc8f681e48_c.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
-    &lt;figcaption&gt;&lt;a href=&#34;http://www.flickr.com/photos/80901381@N04/7758832526/&#34; title=&#34;Morning Fog Emerging From Trees by A Guy Taking Pictures, on Flickr&#34;&gt;Morning Fog Emerging From Trees by A Guy Taking Pictures, on Flickr&lt;/a&gt;.&lt;/figcaption&gt;
+    &lt;a href=&#34;//farm9.staticflickr.com/8426/7758832526_cc8f681e48_b.jpg&#34;&gt;&lt;img src=&#34;//farm9.staticflickr.com/8426/7758832526_cc8f681e48_c.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
+    &lt;figcaption&gt;&lt;a href=&#34;//www.flickr.com/photos/80901381@N04/7758832526/&#34; title=&#34;Morning Fog Emerging From Trees by A Guy Taking Pictures, on Flickr&#34;&gt;Morning Fog Emerging From Trees by A Guy Taking Pictures, on Flickr&lt;/a&gt;.&lt;/figcaption&gt;
 &lt;/figure&gt;
 
 &lt;h3 id=&#34;two-up:5767805156fe261c5b7762b9219a6127&#34;&gt;Two Up&lt;/h3&gt;
@@ -40,10 +40,10 @@
 &lt;p&gt;And you&amp;rsquo;ll get something that looks like this:&lt;/p&gt;
 
 &lt;figure class=&#34;half&#34;&gt;
-    &lt;a href=&#34;http://placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;http://placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
-    &lt;a href=&#34;http://placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;http://placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
-    &lt;img src=&#34;http://placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;
-    &lt;img src=&#34;http://placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;
+    &lt;a href=&#34;//placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;//placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
+    &lt;a href=&#34;//placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;//placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
+    &lt;img src=&#34;//placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;
+    &lt;img src=&#34;//placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;
     &lt;figcaption&gt;Two images.&lt;/figcaption&gt;
 &lt;/figure&gt;
 
@@ -51,9 +51,9 @@
 
 &lt;p&gt;Apply the &lt;code&gt;third&lt;/code&gt; class like so to display three images side by side that share the same caption.&lt;/p&gt;
 &lt;div class=&#34;highlight&#34; style=&#34;background: #272822&#34;&gt;&lt;pre style=&#34;line-height: 125%&#34;&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;lt;&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;figure&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;class&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;third&amp;quot;&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&lt;/span&gt;
-	&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;lt;&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;a&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;href&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;http://placehold.it/1200x600.jpg&amp;quot;&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&amp;lt;&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;img&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;src&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;http://placehold.it/600x300.jpg&amp;quot;&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;alt&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;&amp;quot;&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&amp;lt;/&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;a&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&lt;/span&gt;
-	&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;lt;&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;a&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;href&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;http://placehold.it/1200x600.jpg&amp;quot;&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&amp;lt;&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;img&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;src&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;http://placehold.it/600x300.jpg&amp;quot;&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;alt&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;&amp;quot;&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&amp;lt;/&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;a&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&lt;/span&gt;
-	&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;lt;&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;a&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;href&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;http://placehold.it/1200x600.jpg&amp;quot;&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&amp;lt;&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;img&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;src&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;http://placehold.it/600x300.jpg&amp;quot;&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;alt&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;&amp;quot;&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&amp;lt;/&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;a&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&lt;/span&gt;
+	&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;lt;&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;a&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;href&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;//placehold.it/1200x600.jpg&amp;quot;&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&amp;lt;&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;img&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;src&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;//placehold.it/600x300.jpg&amp;quot;&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;alt&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;&amp;quot;&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&amp;lt;/&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;a&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&lt;/span&gt;
+	&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;lt;&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;a&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;href&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;//placehold.it/1200x600.jpg&amp;quot;&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&amp;lt;&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;img&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;src&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;//placehold.it/600x300.jpg&amp;quot;&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;alt&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;&amp;quot;&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&amp;lt;/&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;a&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&lt;/span&gt;
+	&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;lt;&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;a&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;href&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;//placehold.it/1200x600.jpg&amp;quot;&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&amp;lt;&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;img&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;src&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;//placehold.it/600x300.jpg&amp;quot;&lt;/span&gt; &lt;span style=&#34;color: #a6e22e&#34;&gt;alt&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color: #e6db74&#34;&gt;&amp;quot;&amp;quot;&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&amp;lt;/&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;a&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&lt;/span&gt;
 	&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;lt;&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;figcaption&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&lt;/span&gt;Caption describing these three images.&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;lt;/&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;figcaption&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&lt;/span&gt;
 &lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;lt;/&lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;figure&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;&amp;gt;&lt;/span&gt;
 &lt;/pre&gt;&lt;/div&gt;
@@ -61,12 +61,12 @@
 &lt;p&gt;And you&amp;rsquo;ll get something that looks like this:&lt;/p&gt;
 
 &lt;figure class=&#34;third&#34;&gt;
-    &lt;a href=&#34;http://placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;http://placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
-    &lt;a href=&#34;http://placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;http://placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
-    &lt;a href=&#34;http://placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;http://placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
-    &lt;a href=&#34;http://placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;http://placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
-    &lt;a href=&#34;http://placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;http://placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
-    &lt;a href=&#34;http://placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;http://placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
+    &lt;a href=&#34;//placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;//placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
+    &lt;a href=&#34;//placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;//placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
+    &lt;a href=&#34;//placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;//placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
+    &lt;a href=&#34;//placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;//placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
+    &lt;a href=&#34;//placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;//placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
+    &lt;a href=&#34;//placehold.it/1200x600.jpg&#34;&gt;&lt;img src=&#34;//placehold.it/600x300.jpg&#34; alt=&#34;&#34;&gt;&lt;/a&gt;
     &lt;figcaption&gt;Three images.&lt;/figcaption&gt;
 &lt;/figure&gt;
 
@@ -80,7 +80,7 @@ and fill the block with any number of links to images. You can mix relative and
 &lt;div class=&#34;highlight&#34; style=&#34;background: #272822&#34;&gt;&lt;pre style=&#34;line-height: 125%&#34;&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt;{% &lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;raw&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt; %}&lt;/span&gt;{% capture images %}
 	/images/abstract-10.jpg
 	/images/abstract-11.jpg
-	http://upload.wikimedia.org/wikipedia/en/2/24/Lenna.png
+	//upload.wikimedia.org/wikipedia/en/2/24/Lenna.png
 {% endcapture %}
 {% include gallery images=images caption=&amp;quot;Test images&amp;quot; cols=3 %}&lt;span style=&#34;color: #f8f8f2&#34;&gt;{% &lt;/span&gt;&lt;span style=&#34;color: #f92672&#34;&gt;endraw&lt;/span&gt;&lt;span style=&#34;color: #f8f8f2&#34;&gt; %}&lt;/span&gt;
 &lt;/pre&gt;&lt;/div&gt;
@@ -98,7 +98,7 @@ Available values: [1..3].&lt;/li&gt;
 &lt;p&gt;{% capture images %}
     /images/abstract-10.jpg
     /images/abstract-11.jpg
-    &lt;a href=&#34;http://upload.wikimedia.org/wikipedia/en/2/24/Lenna.png&#34;&gt;http://upload.wikimedia.org/wikipedia/en/2/24/Lenna.png&lt;/a&gt;
+    //upload.wikimedia.org/wikipedia/en/2/24/Lenna.png
 {% endcapture %}
 {% include gallery images=images caption=&amp;ldquo;Test images&amp;rdquo; cols=3 %}&lt;/p&gt;
 </description>