[1] [CITE@en[(X)HTML5 Tracking]]
([TIME[2009-09-07 08:00:12 +09:00]] 版)
[2] [CITE@en[Obsolete but conforming features]]
[3] [CITE[IRC logs: freenode / #whatwg / 20090708]]
([TIME[2009-09-12 11:38:52 +09:00]] 版)
[4] [CITE[IRC logs: freenode / #whatwg / 20090803]]
([TIME[2009-10-04 14:33:21 +09:00]] 版)