* 仕様書

[REFS[
- [3] [CITE@en[CSS Basic User Interface Module Level 3 (CSS3 UI)]]
( ([[Tantek Çelik]] 著, [TIME[2013-08-28 03:24:43 +09:00]] 版))
<https://dev.w3.org/csswg/css-ui/#invert>
- [5] [CITE@en[Filter Effects Module Level 1]] ([TIME[2016-11-27 07:09:53 +09:00]]) <https://drafts.fxtf.org/filters/#funcdef-filter-invert>
- [4] [CITE@en[Filter Effects Module Level 1]] ([TIME[2016-11-27 07:09:53 +09:00]]) <https://drafts.fxtf.org/filters/#invertEquivalent>
]REFS]

* 歴史

[1]
[CITE[Bug 335394 - We should remove support for the 'invert' value ifdef MOZ_CAIRO_GFX]] <https://bugzilla.mozilla.org/show_bug.cgi?id=335394>
([[名無しさん]] [WEAK[2006-04-29 00:00:40 +00:00]])

[2]
[CITE[CairoではXOR描画ができないことによるWebページへの影響 - WebStudio]] <http://www.d-toybox.com/studio/weblog/show.php?mode=single&id=2006042802>
([[名無しさん]] [WEAK[2006-04-29 00:02:18 +00:00]])