[1] WWW-HTML Apr-Jun 1995: Re: Extraneous Characters in Netscape Display (2009-02-20 05:33:20 +09:00 版) http://1997.webhistory.org/www.lists/www-html.1995q2/0379.html

[2] Bug 9280 - Quirksmode: Trailing ]> from internal DTD subset is rendered as body text (2009-02-20 05:18:34 +09:00 版) https://bugs.webkit.org/show_bug.cgi?id=9280

[3] XHTML + MathML