[1] [CITE@en[(X)HTML5 Tracking]]
([TIME[2009-10-21 23:31:58 +09:00]] 版)
<http://html5.org/tools/web-apps-tracker?from=4240&to=4241>

[2] [CITE@en[Web Applications 1.0 r7127     Make it ok to window.close() a browsing context that has never been (re)navigated.]]
( ([TIME[2012-06-09 06:50:00 +09:00]] 版))
<http://html5.org/tools/web-apps-tracker?from=7126&to=7127>

[3] [CITE[''''''[''''''whatwg'''''']'''''' window.close() and user-initiated <a target=_blank>]]
( ([TIME[2012-06-09 07:22:28 +09:00]] 版))
<http://lists.whatwg.org/pipermail/whatwg-whatwg.org/2012-June/036333.html>

[4] [CITE@en[Web Applications 1.0 r8047     Change how window.close() decides what you can close to make more sense.]]
( ([TIME[2013-07-10 07:45:00 +09:00]] 版))
<http://html5.org/tools/web-apps-tracker?from=8046&to=8047>