[Bug 21564] Allow ATs/UAs to use heuristics to suppress presentation of erroneous or pointless longdescs

https://www.w3.org/Bugs/Public/show_bug.cgi?id=21564

Charles McCathieNevile <chaals@yandex-team.ru> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |ASSIGNED
             Blocks|                            |21566

--- Comment #1 from Charles McCathieNevile <chaals@yandex-team.ru> ---
In general I think this is a bad idea, and in practice I think that unless it
is extremely carefully phrased, it provides a way to justify not supporting
longdesc: "The vast majority of longdescs are useless, so a valid heuristic is
to say that if there is a longdesc it is useless and suppress it". Easy to
implement, likely to be recommended by some strong and respected advocates of
HTML, but I think highly counter-productive to accessibility in general and the
purposes of this specification in particular.

It might make sense to modify this proposal to provide an exception case for
21566, but IMHO only when it has been *determined* that the specific longdesc
is useless. (There's still weasel-room with that proposal, but this spec is not
going to solve all the problems of human behaviour, it will just tell people
who want to get this right how to do so.)

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Received on Wednesday, 3 April 2013 12:47:37 UTC