[whatwg] Resurrection of HTML+'s <image> (was: <video> element feedback)

On 21 Mar 2007, at 00:27, Simon Pieters wrote:

>> I asked for the resurrection of HTML+'s <image>fallback</image>
>> element last month. I was told that would break existing  
>> implementations
>
> Existing implementations include at least:
>
>  * Internet Explorer
>  * Firefox
>  * Opera
>  * Safari
>
> The <image> start tag is parsed as if it were <img>, so you would  
> get both the image and the fallback with HTML+ markup. Existing  
> content rely on this behaviour, which is why it was added to the  
> Parsing spec (see "A start tag whose tag name is "image"", and see  
> comment in source).

So what's the problem?
Content with a doctype of <!DOCTYPE html> or <!DOCTYPE htmlplus> is  
treated correctly, and content without a doctype is handled in quirks  
mode, where the UA can look for </image> and if found in a suitable  
place, treat the start tag as <image>, or if not found, treat the  
start tag as <img>. Any content using <image> in strict mode with  
another HTML doctype  is broken anyway, so it doesn't really matter  
how that looks.

- Nicholas.


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Received on Tuesday, 20 March 2007 18:07:17 UTC