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|
# function-url-quotes
Require or disallow quotes for urls.
```css
a { background: url("x.jpg") }
/** ↑ ↑
* These quotes */
```
## Options
`string`: `"always"|"never"`
### `"always"`
Urls *must always* be quoted.
The following patterns are considered violations:
```css
@import url(foo.css);
```
```css
@document domain(http://www.w3.org/);
```
```css
@font-face { font-family: 'foo'; src: url(foo.ttf); }
```
```css
@-moz-document url-prefix() {}
```
The following patterns are *not* considered violations:
```css
a { background: url('x.jpg'); }
```
```css
@import url("foo.css");
```
```css
@document domain('http://www.w3.org/');
```
```css
@font-face { font-family: "foo"; src: url("foo.ttf"); }
```
```css
@-moz-document url-prefix('') {}
```
### `"never"`
Urls *must never* be quoted.
The following patterns are considered violations:
```css
a { background: url('x.jpg'); }
```
```css
@import url("foo.css");
```
```css
@font-face { font-family: "foo"; src: url('foo.ttf'); }
```
The following patterns are *not* considered violations:
```css
a { background: url(x.jpg); }
```
```css
@import url(foo.css);
```
```css
@font-face { font-family: 'foo'; src: url(foo.ttf); }
```
## Optional secondary options
### `except: ["empty"]`
Reverse the primary option for functions that have no arguments.
For example, with `"always"`.
The following patterns are *not* considered violations:
```css
@-moz-document url-prefix() {}
```
|
