On http://diveintohtml5.info/video.html under What Works on the Web, IE9 is marked as supporting WebM. Safari is not. While I have no love of either, it sounds as though both do not support WebM out of the box, but can if you install the codec. They should therefore be marked in the same way.
On http://diveintohtml5.info/video.html under What Works on the Web, IE9 is marked as supporting WebM. Safari is not. While I have no love of either, it sounds as though both do not support WebM out of the box, but can if you install the codec. They should therefore be marked in the same way.