* 歴史
[1] [CITE@en[(X)HTML5 Tracking]]
([TIME[2010-01-12 22:36:56 +09:00]] 版)
[2] [CITE@en[(X)HTML5 Tracking]]
([TIME[2010-01-12 22:37:33 +09:00]] 版)
[3] [CITE@en[(X)HTML5 Tracking]]
([TIME[2010-01-12 22:39:10 +09:00]] 版)
[4] [CITE@en[HTML5 Revision Tracker]]
([TIME[2010-03-24 22:15:30 +09:00]] 版)
[5] [CITE[IRC logs: freenode / #whatwg / 20100408]]
([TIME[2010-04-20 20:02:50 +09:00]] 版)
[6] [CITE['''['''whatwg''']''' Please consider dropping the "sandbox" attribute from the