[Bug 21565] Should it be an error to use @longdesc on presentational images? And/Or should it _affect_ the role of the image?

https://www.w3.org/Bugs/Public/show_bug.cgi?id=21565

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

           What    |Removed                     |Added
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           See Also|                            |https://www.w3.org/Bugs/Pub
                   |                            |lic/show_bug.cgi?id=20048

--- Comment #8 from Charles McCathieNevile <chaals@yandex-team.ru> ---
Hmm. As Leonie points out in
http://tink.co.uk/2011/06/text-descriptions-emotion-rich-images/ the problem is
really that we have a very simplistic idea of what "presentational" is.

My rough thinking is that "presentation" is stuff that isn't really necessary
for a functional use of content. However, there are times when people want to
pay attention to the presentation. Indeed, screen readers can already present
presentational things like font information because it can be of interest (or
even important to understand), but they don't do it by deafult because it is
overkill for the most common use scenario.

I suspect the best answer isn't to change the way the role is determined, but
for implementations to be a bit more flexible with "presentation". As I already
noted (and Leonie noted in her blog post) things like stock photography and
background photographs are often of interest even if they are not really the
point of a page (after all, that is why the designer put them there in the
first place).

On a technical level, current implementations would not be able to conform to
both a requirement that longdesc is valid on

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Received on Thursday, 4 April 2013 12:02:10 UTC