[1] [CITE@en[Web Applications 1.0 r5869 note canvas.toBlob() as a future feature]]
( ([TIME[2011-02-11 07:42:00 +09:00]] 版))
<http://html5.org/tools/web-apps-tracker?from=5868&to=5869>

[2] [CITE@en[Web Applications 1.0 r6134     Attempt to define canvas.toBlob().]]
( ([TIME[2011-05-13 05:40:00 +09:00]] 版))
<http://html5.org/tools/web-apps-tracker?from=6133&to=6134>