WAI-ARIA: abstract roles

If abstract roles are not at all exposed by AT and not expected to be  
supported it makes more sense to simply forbid authors to use them so  
validators will flag their use, etc. I.e. use MUST NOT rather than SHOULD  
NOT in section 4.2.1.


-- 
Anne van Kesteren
http://annevankesteren.nl/

Received on Thursday, 2 April 2009 10:54:29 UTC