[whatwg] Unnecessary loading of fallback content in canvas element

[Boris Zbarsky]

On 1/8/11 7:03 PM, Charles McCathieNevile wrote:
> That's not clear to me - it seems like it coulbe left as an
> implementation detail when the load might take place.

The thing is...  DOM APIs allow access to various aspects of the image 
data (at least the width/height metadata and the actual image pixels via 
drawImage).  So one question is whether we're ok in a situation where 
when the page's onload fires the data is present in some UAs but not others.

-Boris