[1] IRC logs: freenode / #whatwg / 20090922 (11/8/2009, 1:57:03 PM 版) <http://krijnhoetmer.nl/irc-logs/whatwg/20090922#l-100>
[2] IRC logs: freenode / #whatwg / 20120720 ( (7/21/2012, 12:01:47 PM 版)) <http://krijnhoetmer.nl/irc-logs/whatwg/20120720#l-1155>
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