[1] [CITE@en[Touch Events Specification]]
( ([TIME[2011-02-13 11:20:35 +09:00]] 版))
<http://dvcs.w3.org/hg/webevents/raw-file/tip/touchevents.html>

[2] [CITE@en[Touch Events Specification]]
( ([TIME[2011-05-03 06:39:56 +09:00]] 版))
<http://www.w3.org/TR/2011/WD-touch-events-20110505/>