* 文脈


[8] 
[CODE[SVG ][SVG-in-OpenType]]
では外部で定義された[[色]]を参照するために限定的に使われます。


* 歴史


[1]
[CITE@en[CSS Variables]] ([CODE[2008-04-09 03:51:49 +09:00]] 版) <http://disruptive-innovations.com/zoo/cssvariables/>
([[名無しさん]])


[2]
[CITE[WebKitでCSS Variablesが無効になってたらしい - vantguarde - web:g]] ([TIME[2008-10-11 19:09:14 +09:00]] 版) <http://web.g.hatena.ne.jp/vantguarde/20080925/1222302833>

[3] [CITE@en[Summary of the two current CSS Constants proposals - CSS3 . Info]] ([TIME[2009-02-28 18:43:45 +09:00]] 版) <http://www.css3.info/summary-of-the-two-current-css-constants-proposals/>

[4] [CITE@en[CSS Variables Module Level 1]]
( ([TIME[2012-02-11 10:12:49 +09:00]] 版))
<http://dev.w3.org/csswg/css-variables/>

[5] [CITE@en[CSS Variables Module Level 1]]
( ([TIME[2012-04-10 22:00:07 +09:00]] 版))
<http://www.w3.org/TR/2012/WD-css-variables-20120410/>

[6] [CITE[Let's Talk about CSS Variables - Tab Completion]]
( ([TIME[2012-08-16 08:06:44 +09:00]] 版))
<http://www.xanthir.com/blog/b4KT0>

[7] [CITE[''''''[''''''webkit-dev'''''']'''''' Feature removal: CSS variables]]
( ([TIME[2013-04-17 06:59:35 +09:00]] 版))
<https://lists.webkit.org/pipermail/webkit-dev/2013-April/024476.html>