[1] CSSOM Values Module ( ( 版)) <http://dvcs.w3.org/hg/csswg/raw-file/tip/cssom-values/Overview.html>
[2] cssom-values: Summary ( ( 版)) <https://dvcs.w3.org/hg/cssom-values/>
[3] CSSOM Values Module ( ( 版)) <http://dev.w3.org/csswg/cssom-values/>
[4] IRC logs: freenode / #whatwg / 20130809 ( ( 版)) <http://krijnhoetmer.nl/irc-logs/whatwg/20130809>
[5] IRC logs: freenode / #whatwg / 20140124 ( ( 版)) <http://krijnhoetmer.nl/irc-logs/whatwg/20140124>
[6] IRC logs: freenode / #whatwg / 20140529 ( ( 版)) <http://krijnhoetmer.nl/irc-logs/whatwg/20140529#l-679>
[7] removing cssom-values per wg resolution, redirected to https://drafts… · w3c/csswg-drafts@a58517f ( 版) <https://github.com/w3c/csswg-drafts/commit/a58517fe13692cc1e1a4311adcfa9e2ed2930d37>