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Re: use of aria-hidden to provide a text description not visible on the page.

From: Leif Halvard Silli <xn--mlform-iua@xn--mlform-iua.no>
Date: Mon, 20 Sep 2010 00:40:44 +0200
To: Richard Schwerdtfeger <schwer@us.ibm.com>
Cc: Steven Faulkner <faulkner.steve@gmail.com>, James Craig <jcraig@apple.com>, HTML Accessibility Task Force <public-html-a11y@w3.org>, public-html-a11y-request@w3.org, W3C WAI-XTECH <wai-xtech@w3.org>, Leif Halvard Silli <xn--mlform-iua@xn--mlform-iua.no>
Message-ID: <20100920004044825430.39a1d843@xn--mlform-iua.no>
Richard Schwerdtfeger, Sun, 19 Sep 2010 17:13:26 -0500:
> aria-describedby pointing to hidden content results in the help 
> content (that is hidden) populating the MSAA accessible description.
> 
> If the label is hidden you have a problem as the IA2 accessibility 
> API need to point to the label through the labelled relationship. If 
> it is hidden there is no place to reference. 

As mentioned [*] there appears to be a workaround for IA2: As long as 
at least one of the idrefs of @aria-label is visible (even if it is 
empty or even if it is just the current element itself), then all of 
the label elements will be treated as visible. 

[*] http://lists.w3.org/Archives/Public/wai-xtech/2010Sep/0016
-- 
leif halvard silli
Received on Sunday, 19 September 2010 22:41:24 UTC

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