[html4all] ALT issue redux

[John Foliot]

Patrick H. Lauke wrote:

> It is backwards compatible because valid XHTML1 will always also be
> valid HTML5. Also, browsers that currently support XHTML1 won't choke
> on missing @alt. Backwards compatibility (and the "two serialisations"
> thing) doesn't mean that HTML5 can simply be converted down to XHTML1
> (in which case making a mandatory attribute optional *would* be a
> breach). 
> 
> I'm not defending the decision to make @alt optional, mind...just
> working out the logic that lets HTML WG do it while still following
> the backwards-compatibility principle.
> 

Gotcha - thanks Patrick.  Still feels regressive to me...