[whatwg] Dynamic content accessibility in HTML today

James Graham jg307 at cam.ac.uk
Sun Aug 13 03:45:33 PDT 2006

James Graham wrote:
> Matthew Raymond wrote:
>>>> [...] where a proper CSS presentation for the users primary media is
>>>> not available [...]
>>> This is almost always the case on the real web.
>>    Yeah, the web masters are so lazy that they can't be bothered to add
>> accessibility via CSS, but they'll be working overtime putting in |role|
>> attributes using the correct predefined values.
>> /me rolls eyes.
> Roll your eyes all you want but when you get bored, perhaps you'd like 
> to try thinking about the relative difficulty of the two tasks instead 
> :-) For many widgets it is entirely obvious what their role attribute 
> should be (if it walks like a duck and quacks like a duck it's a duck). 
> So adding this information to the semantic layer (i.e. not CSS) is easy. 
> Furthermore, people who make common widget toolkits can add 
> accessibility information at the toolkit layer (see e.g. [1]) so authors 
> don't need to work very hard.
>>>>    I don't see a significant difference between |role| and predefined
>>>> values for |class|.
>>> Oh and I'm allergic to predefined class values :)
>>    I would suggest a strong antihistamine whenever you use a microformat.
> Indeed there are, I believe, a number of problems with microformats 
> associated with their use of the class attribute (e.g. I remember a 
> discussion some time ago in which it turned out that microformats must 
> use globally unique classnames)

OK, so I forgot the link:

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