[4] Add guidance on enumeration value naming. · heycam/webidl@344ad41 (2015-07-08 11:50:28 +09:00 版) <https://github.com/heycam/webidl/commit/344ad419defdcd8df313119abe85819e254a8afb>

[1] 27701 – Enum should be allowed to end with comma (2016-11-02 16:31:21 +09:00) <https://www.w3.org/Bugs/Public/show_bug.cgi?id=27701>

[2] Editorial: correct IDL enum usage (annevk著, 2016-11-02 00:04:42 +09:00) <https://github.com/whatwg/html/commit/052da2bf3d334332b30ff40466b2f33a075fa51a>

[3] Make <link>'s as="" attribute case-insensitive (domenic著, 2017-04-26 05:59:59 +09:00) <https://github.com/whatwg/html/commit/9c7da4998f005c1799b04f452cb6c4a618f2d42e>