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RE: example spec text for longdesc

From: Leif Halvard Silli <xn--mlform-iua@xn--mlform-iua.no>
Date: Sat, 26 Mar 2011 07:01:16 +0100
To: 'Jonas Sicking' <jonas@sicking.cc>, John Foliot <jfoliot@stanford.edu>
Cc: 'Laura Carlson' <laura.lee.carlson@gmail.com>, 'Henri Sivonen' <hsivonen@iki.fi>, 'HTMLWG WG' <public-html@w3.org>
Message-ID: <20110326070116453491.abfcac01@xn--mlform-iua.no>
Jonas, John,

John Foliot, Fri, 25 Mar 2011 22:20:59 -0700 (PDT):
> Jonas Sicking wrote:
>> And yet data shows that the vast majority of people get it wrong.
> s/get/got
>> http://wiki.whatwg.org/wiki/Longdesc_usage
>> http://blog.whatwg.org/the-longdesc-lottery
>> Do you have data showing otherwise?
> Jonas, we've never seen that data. We have instead assertions from 2
> Google employees

Yes, other data could mean looking at the same data from another angle.

The perspective that "they get it wrong" only takes into account that 
authors do their best. E.g. the longdesc lottery article takes the view 
that near everyone that uses @longdesc are well meaning people that get 
it wrong.

My own inspection show that conscious misuse by image gallery authors 
is also an important factor (though I wont quantify it). These 
developers use it for linking to a fullsize version of the image and 
things like that. It is difficult to understand 'long description' to 
mean 'larger size'. Hence, it is not about "getting it wrong", but 
misuse - may be even well intended misuse. (E.g. rather than adding a 
custom attribute, they used @longdesc.)

>> Anyhow, I still haven't heard any arguments against fixing
>> aria-describedby.

Well, I still miss your replies in bug 12243 ... [1] Simply put, what 
you call 'fixing' really is that you want aria-describedby to be 
something other than it is.

But one way in which @longdesc should take some inspiration from 
@aria-describedby is that we should require that it must point to a 
page fragment rather than saying that it should point to a page. 

Google employees or not: The proposed better checking of @longdesc 
URLs, as well as the suggestion that @longdesc URLs must point to a 
fragment, are proposals which take the reports about misuse of 
@longdesc very seriously.

[1] http://www.w3.org/Bugs/Public/show_bug.cgi?id=12243
leif halvard silli
Received on Saturday, 26 March 2011 06:01:52 UTC

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