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Re: additional sentence for 204

From: Maciej Stachowiak <mjs@apple.com>
Date: Fri, 21 Sep 2012 16:40:25 -0700
Cc: Leif Halvard Silli <xn--mlform-iua@xn--mlform-iua.no>, Laura Carlson <laura.lee.carlson@gmail.com>, Cynthia Shelly <cyns@microsoft.com>, HTML Accessibility Task Force <public-html-a11y@w3.org>, Ted O'Connor <eoconnor@apple.com>
Message-id: <F87FFD91-B76F-46D2-9062-E8BF9BA15409@apple.com>
To: James Craig <jcraig@apple.com>

On Sep 21, 2012, at 3:37 PM, James Craig <jcraig@apple.com> wrote:

> On Sep 19, 2012, at 1:51 AM, Leif Halvard Silli wrote:
> 
>> Maciej Stachowiak, Tue, 18 Sep 2012 14:37:35 -0700:
>>> On Sep 18, 2012, at 1:42 PM, Leif Halvard Silli:
>>>> Maciej Stachowiak, Tue, 18 Sep 2012 09:57:28 -0700:
>>>> 
>>>> Currently, aria-hidden=true is a boolean attribute value. Thus 
>>>> aria-hidden=false is only informative. I saw that James proposed that 
>>>> aria-hidden=false should have an effect.
>>> 
>>> As far as I can tell:
>>> 
>>> - aria-hidden is not a boolean attribute in the HTML sense (i.e. it's 
>>> not just presence or absence that matters, the attribute value 
>>> actually matters)
>>> - both aria-hidden=true and aria-hidden=false are defined to have 
>>> meaning by WAI-ARIA: 
>>> <http://www.w3.org/TR/wai-aria/states_and_properties#aria-hidden>
>> 
>> As far as I can tell James do not view it to be like that, yet:
>> https://www.w3.org/Bugs/Public/show_bug.cgi?id=18744#26
>> https://www.w3.org/Bugs/Public/show_bug.cgi?id=18744#27
>> https://www.w3.org/Bugs/Public/show_bug.cgi?id=18744#29
> 
> I do view it to mean what the spec says, but that means we have an at-risk feature for ARIA 1.0's CR status.
> https://www.w3.org/WAI/PF/Group/track/issues/535 (aria-hidden="false" at risk)

As far as I can tell from testing, Safari/WebKit doesn't yet implement the correct behavior for aria-hidden="false", but we certainly could, particularly if it  was relevant to its at-risk status.

Regards,
Maciej
Received on Friday, 21 September 2012 23:41:09 GMT

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