[1] [CITE@en-US[XBL 2.0]]
( ([TIME[2012-05-03 02:23:03 +09:00]] 版))
<http://dev.w3.org/2006/xbl2/Overview.html#semantics>

[2] [CITE@en-US[XML Binding Language (XBL) 2.0]]
( ([TIME[2007-03-16 22:20:16 +09:00]] 版))
<http://www.w3.org/TR/2007/CR-xbl-20070316/#semantics>

[3] [CITE@en-US[Accessible Rich Internet Applications (WAI-ARIA) 1.0]]
( ([TIME[2014-01-14 16:21:51 +09:00]] 版))
<http://www.w3.org/WAI/PF/aria/complete#def_semantics>