Re: addition of HTML role requirement mappings

Yeah, I think this illustrates that we need to get table and cell roles in soon for ARIA 1.1. cell and gridcell can probably just be aliases, but table and grid are semantically different.



> On Feb 21, 2014, at 5:17 AM, Steve Faulkner <faulkner.steve@gmail.com> wrote:
> 
> Hi all, 
> 
> hixie has added some role requirements and restrictions in the whatwg spec that will  soon come up for cherry picking [1] to the HTML 5.1 spec.
> previously we determined that some of the following were not appropriate, so am asking for ARIA folk to review:
> 
> note: implementers MUST map to these roles and authors are restricted to applying the roles listed for each element (authors can also apply role=presentation).
> 
> strong semantics: 
> 
> table element     grid role
> tbody element     rowgroup role
> td element     gridcell role
> tfoot element     rowgroup role
> thead element     rowgroup role
> tr element     row role 
> 
> 
> implicit semantics:
> 
> th element     gridcell role     Role must be either columnheader, rowheader, or gridcell
> 
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> 
> [1] https://github.com/w3c/html/commit/5b5ad72b8e7bb36ab863effc942829eef82fe3c4#commitcomment-5449710
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> --
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> Regards
> 
> SteveF
> HTML 5.1