[1] [CITE@en[HTML5 Revision Tracker]]
([TIME[2010-08-03 07:21:00 +09:00]] 版)
[2] [CITE@en[Web Applications 1.0 r8132 Allow UAs to use algorithms other than nearest-neighbour when scaling images down.]]
( ([TIME[2013-08-07 05:30:00 +09:00]] 版))
[3] [CITE@en-US-x-Hixie[HTML Canvas 2D Context]]
( ([TIME[2013-08-07 02:46:06 +09:00]] 版))
[4] [CITE[''''''[''''''whatwg'''''']'''''' canvas 2d's ellipse]]
( ([TIME[2013-08-21 01:11:59 +09:00]] 版))