[1] [CITE[IRC logs: freenode / #whatwg / 20120315]]
( ([TIME[2012-03-21 08:57:20 +09:00]] 版))
<http://krijnhoetmer.nl/irc-logs/whatwg/20120315#l-549>

[2] [CITE[''''''[''''''whatwg'''''']'''''' allow-popups in iframe sandbox]]
( ([TIME[2012-06-23 05:59:53 +09:00]] 版))
<http://lists.whatwg.org/pipermail/whatwg-whatwg.org/2012-June/036470.html>