[1] [CITE@en[HTML5 Revision Tracker]]
([TIME[2010-03-23 22:21:24 +09:00]] 版)
<http://html5.org/tools/web-apps-tracker?from=4859&to=4860>

[2] [CITE@en[HTML5 Revision Tracker]]
([TIME[2010-03-23 22:24:54 +09:00]] 版)
<http://html5.org/tools/web-apps-tracker?from=4860&to=4861>