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[Bug 18744] drop WAI-ARIA scope restriction in the text adopted in ISSUE-204

From: <bugzilla@jessica.w3.org>
Date: Mon, 10 Sep 2012 00:16:52 +0000
Message-Id: <E1TArgK-0006a5-1M@jessica.w3.org>
To: public-html-a11y@w3.org

--- Comment #21 from Maciej Stachowiak <mjs@apple.com> 2012-09-10 00:16:51 UTC ---
(In reply to comment #19)
> (In reply to comment #15)
> > 3) Historically, it appears that hidden or display:none labels are not
> > presented at all by assistive technologies, at least in my testing. So the
> > change wouldn't just be flattened to structured, it would be not presenting to
> > presenting.
> Are you suggesting that <label for> should have the implicit semantics of
> @aria-labelledby but not when the label element is hidden with @hidden or
> display: none?

Currently the Editor's Draft does not define any implicit ARIA semantics for
the <label> element or its for attribute. 

I would guess this is because ARIA does not have a property that directly
corresponds to the reversed label-for mapping as opposed to the usual
labelled-by mapping. So you can't actually provide literally equivalent aria
markup. You would not only need to imply aria-labelledby on the target 

It may be worth discussing whether the spec could in fact describe an
equivalent ARIA semantic for <label for>, but that seems beyond the scope of
this bug.

That being said, I do think a <label> element that is hidden should create no
labeling association, but labels or descriptions referenced from non-hidden
content actually should. The common principle being that the side creating the
reference must not be hidden in order to create the reference.

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Received on Monday, 10 September 2012 00:16:53 UTC

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