[1] [CITE@en[Web Applications 1.0 r7681     Compatibility with deployed content.]]
( ([TIME[2013-02-01 07:42:00 +09:00]] 版))
<http://html5.org/tools/web-apps-tracker?from=7680&to=7681>

[2] [CITE[IRC logs: freenode / #whatwg / 20150331]]
([TIME[2015-04-01 11:21:09 +09:00]] 版)
<http://krijnhoetmer.nl/irc-logs/whatwg/20150331#l-939>

[3] [CITE[Issue 472260 - chromium - onmouseenter and onmouseleave need ''''''[''''''LenientThis'''''']'''''' when they are defined on the prototype - An open-source project to help move the web forward. - Google Project Hosting]]
([TIME[2015-04-01 11:21:48 +09:00]] 版)
<https://code.google.com/p/chromium/issues/detail?id=472260>