[whatwg] <INCLUDE> and links with @rel=embed

[Bjartur Thorlacius]

On 4/28/11, Ian Hickson <ian at hixie.ch> wrote:
> On Sat, 11 Dec 2010, Bjartur Thorlacius wrote:
>> >> An UA can support the scheme used without supporting the <source>
>> >> element. If <A> was used, they just had to support <A> and the scheme.
>> >
>> > It's still not clear to me what problem this would solve. I see what it
>> > would do, but why would we want that?
>> >
>> Backwards-compat. It's so UAs that don't support <source> can still
>> grasp some semantical information from the element.
>
> Do you have a concrete example of how that would work? What current UAs
> usefully grasp such information in such a context?
>
All current UAs would understand the link (and most probably present
it to the user). Inline presentation is an optional luxury: the
important thing is getting the media across.
I, for one, can't find any sign of <source> support in wget, and a few
other "non-mainstream" UAs.