[html4all] role attribute keywords for embedded media

[Robert J Burns]

Hello 4all,

After recent discussions with Leif and Gregory regarding role keywords  
for embedded media, I've added some lists of keywords to the wiki page  
Gregory started. For reference, it includes the list of W3C XHTML role  
attribute recommendation, role keywords used by Mac OS X's  
accessibility APIs (if anyone has lists from other APIs — like  
Windows, Solaris or KDE — that would be of interest). Then I included  
a list of keywords that arose out of our discussions on the topic. I  
think the list is fairly comprehensive though I would welcome further  
additions and tweaks. It is also a very manageable list for authoring  
tools, conformance checkers and even hand-coding authors. As the  
discussion has continued on this proposal, I think one of the great  
advantages to this role approach is it would really help guide authors  
on inputting alt text that genuinely met the requirements for creating  
accessible content.

Take care,
Rob

[1]: <http://esw.w3.org/topic/PF/XTech/HTML5/RoleAttribute#head-35490581f69f2d7a9157e4ba18f3a20a18956cac 
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