[1]
The whatwg September 2006 Archive by thread <http://listserver.dreamhost.com/pipermail/whatwg-whatwg.org/2006-September/thread.html#7281>
([[名無しさん]])

[2]
The problems with namespaces in text/html (Was: MathML-in-HTML5) <http://groups.google.co.jp/group/mozilla.dev.tech.mathml/msg/8a048192f90b2fe1>
([[名無しさん]])

[3]
[CITE[dolphinling’s weblog &#187; Blog Archive &#187; Namespace syntax in HTML]] <http://blog.dolphinling.net/2006/10/namespace-syntax-in-html/>
([[名無しさん]])


[4]
[CITE@en[RDFa in HTML]] ([[Steven Pemberton]] 著, [TIME[2007-04-17 00:02:16 +09:00]] 版) <http://lists.w3.org/Archives/Public/public-rdf-in-xhtml-tf/2007Apr/0068.html>
([[名無しさん]] [WEAK[2007-04-20 00:06:59 +00:00]])