* 仕様書
[REFS[
- [1] [CITE@en-US-x-hixie[HTML Standard]] ([TIME[2012-04-28 00:40:00 +09:00]] 版)
- [2] [CITE@en-US-x-hixie[HTML Standard]] ([TIME[2012-04-28 00:40:00 +09:00]] 版)
]REFS]
[3] [CITE[IRC logs: freenode / #whatwg / 20120425]]
( ([TIME[2012-05-02 17:23:32 +09:00]] 版))