[1] XHTML 1.2 - Implements Attribute Module (2008-12-24 06:07:15 +09:00 版) <http://www.w3.org/MarkUp/2008/ED-xhtml12-20081223/implements.html#a_implements>

[2] Why no script implements - WHATWG Wiki ( (2010-05-06 10:22:49 +09:00 版)) <http://wiki.whatwg.org/wiki/Why_no_script_implements>

[25] XML Events 2 ( (2010-12-18 05:25:20 +09:00 版)) <http://www.w3.org/TR/xml-events2/#attr-script-implements>