[html4all] distinguishing text equivalents: alt text and descriptive text

[Jason White]

On Sun, Aug 24, 2008 at 01:15:15AM +0300, Robert J Burns wrote:
 
> The short-term approach I'm advocating is to extend the longdesc  
> attribute (or another similar attribute like textdesc) to the other  
> embedded media elements (e.g., OBJECT). It may be that this short term  
> approach is unnecessary since it isn't a feature of the language  
> authors have come to expect yet. However, so far Ian has rejected both  
> longdesc and UAs providing user access to media metadata[3].

I'm against extending @longdesc to OBJECT and other media elements, but in
favour of retaining it for IMG.

I also think ua access to embedded metadata in media objects is valuable and
important.