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[Bug 13504] Automation-friendly mMarkup for flagging spelling, grammar, etc. errors and warnings

From: <bugzilla@jessica.w3.org>
Date: Mon, 01 Aug 2011 21:25:41 +0000
To: public-html-a11y@w3.org
Message-Id: <E1QnzzZ-0001HL-W6@jessica.w3.org>
http://www.w3.org/Bugs/Public/show_bug.cgi?id=13504

Charles Pritchard <chuck@jumis.com> changed:

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--- Comment #1 from Charles Pritchard <chuck@jumis.com> 2011-08-01 21:25:41 UTC ---
(In reply to comment #0)
> HTML5 should define a standardized mechanism for marking up phrases flagged by
> a spelling checker or the like, so that content scripts or assistive technology
> could react to them intelligently. 


This issue was also brought up in relation to canvas-based rich text editing
and other custom IMEs. [ http://www.w3.org/Bugs/Public/show_bug.cgi?id=11238 ]

These mechanisms are already in place when native components are used, though
they are not exposed to the scripting environment due to security concerns. A
malicious script might be able to identify custom dictionary entries and
otherwise fingerprint the client machine based on the identification of
mis-spellings.

As for custom widgets: ARIA supports marking of invalid spelling and grammar
ranges.
http://www.w3.org/TR/wai-aria/states_and_properties#aria-invalid

That handles our DOM commitments regardless of the visual presentation.

Hironori Bono has been working on IME proposals for awhile, and has been
testing, within WebKit, spell checking as managed by the scripting environment.
He proposed several new interfaces including window.spellCheckController and
SpellcheckRange.

https://lists.webkit.org/pipermail/webkit-dev/2011-June/017242.html
http://lists.w3.org/Archives/Public/public-webapps/2011AprJun/0545.html

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