[1] [CITE@en[Interoperability Report for the Extensible Messaging and Presence Protocol (XMPP)]]
([TIME[2009-09-26 06:26:48 +09:00]] 版)
<http://xmpp.org/internet-drafts/draft-saintandre-xmpp-interop-report-00.html>

[2] [CITE[IRC logs: freenode / #whatwg / 20100306]]
([TIME[2010-03-08 00:10:33 +09:00]] 版)
<http://krijnhoetmer.nl/irc-logs/whatwg/20100306>