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Re: ISSUE-95 hidden - Chairs Solicit Proposals

From: Henri Sivonen <hsivonen@iki.fi>
Date: Mon, 1 Feb 2010 10:15:27 +0200
Message-Id: <942B1DF1-5BDD-4435-A9A9-38D59453F796@iki.fi>
To: HTML WG <public-html@w3.org>
On Jan 29, 2010, at 17:49, Leif Halvard Silli wrote:

> (1) irrelevant,hidden,conceal (Karl's proposal) are mysterious names 
> which all raise the question "irrelevant,hidden,concealed from what?". 

FWIW, the attribute used to be called "irrelevant". It was renamed to "hidden" to align with ARIA that has "aria-hidden" for the same semantic.

HTML5 "hidden" is mostly redundant with "aria-hidden". It provides three differences:
 1) "hidden" will eventually have UA style sheet support.
 2) "hidden" in theory applies to non-accessibility unusual modalities while "aria-hidden", in theory, only matters to accessibility API mapping.
 3) "hidden" is part of the host language on the principle that ARIA is a transitional solution and should become syntactically obsolete as host languages gain enough features to address the use cases.

-- 
Henri Sivonen
hsivonen@iki.fi
http://hsivonen.iki.fi/
Received on Monday, 1 February 2010 08:16:05 GMT

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