Yes, roles and children's roles (col, row, etc) are basically masked but data and content are still presented.
Sent from my iPhone
On Nov 25, 2013, at 7:07 AM, Steve Faulkner <faulkner.steve@gmail.com> wrote:
> role=presentation removes the role of the element it is on (and the roles of any required child elements) http://rawgithub.com/w3c/aria-in-html/master/index.html#use-of-role-presentation
>
> --
>
> Regards
>
> SteveF
> HTML 5.1
>
>
> On 25 November 2013 12:02, Bailey, Bruce <Bailey@access-board.gov> wrote:
>> Thanks Sailesh. I thought aria role=presentation causes AT to ignore the element. So would this not hide the table and the content therein?
>>
>> -----Original Message-----
>> From: Sailesh Panchang [mailto:spanchang02@yahoo.com]
>> Sent: Saturday, November 23, 2013 7:54 PM
>> To: WCAG
>> Cc: Bailey, Bruce
>> Subject: Re: WG discussion: Nov 5, 2013: role=group technique
>>
>> Bruce,
>> With respect to your comment on use of role=presentation on the table with credit cards in example#2:
>> It is a layout table and role=presentation helps to remove any ambiguity in its interpretation by AT.
>> NVDA, for instance will expose it as a table in FF if the role is absent.
>>
>> Regards,
>> Sailesh
>