- [1] 空白。
- [2] [[WinIE]]: 4+

[3] [CITE[IRC logs: freenode / #whatwg / 20100108]]
([TIME[2010-01-10 12:05:47 +09:00]] 版)
<http://krijnhoetmer.nl/irc-logs/whatwg/20100108#l-210>