[1] [CITE@en[Web Applications 1.0 r7589     Add a way to prepare sprites so you don't have to keep extracting the pixels from the original image, while still allowing the UA to do this cheaply on the backend.]]
( ([TIME[2012-12-18 08:44:00 +09:00]] 版))
<http://html5.org/tools/web-apps-tracker?from=7588&to=7589>