[1] [CITE@en-GB-hixie[Web Controls 1.0]]
([TIME[2004-11-09 08:49:52 +09:00]] 版)
<http://www.whatwg.org/specs/web-controls/current-work/#key-handling>

[2] [CITE[IRC logs: freenode / #whatwg / 20090910]]
([TIME[2009-10-18 19:56:51 +09:00]] 版)
<http://krijnhoetmer.nl/irc-logs/whatwg/20090910#l-313>

[3] [CITE[User Interface Enhancements]]
( ([TIME[1999-09-16 05:07:02 +09:00]] 版))
<http://www.w3.org/TR/1999/WD-css3-userint-19990916#key-equivalent>

[4] [CITE@en[User Interface for CSS3]]
( ([TIME[2000-06-23 03:09:21 +09:00]] 版))
<http://www.w3.org/TR/2000/WD-css3-userint-20000216#key-equivalent>

[5] [CITE@en[CSS3 module: Basic User Interface]]
( ([[Tantek Çelik]] 著, [TIME[2002-08-03 07:13:43 +09:00]] 版))
<http://www.w3.org/TR/2002/WD-css3-ui-20020802/#key-equivalent>

[6] [CITE@en[CSS3 Basic User Interface Module]]
( ([[Tantek Çelik]] 著, [TIME[2003-07-04 02:51:33 +09:00]] 版))
<http://www.w3.org/TR/2003/WD-css3-ui-20030703/#key-equivalent>

[7] [CITE@en-GB-hixie[Web Controls 1.0]]
( ([TIME[2004-11-09 08:49:52 +09:00]] 版))
<http://www.whatwg.org/specs/web-controls/current-work/#key-handling>