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[Bug 11199] Need standard way to creating heading "streams"

From: <bugzilla@jessica.w3.org>
Date: Wed, 03 Nov 2010 14:16:01 +0000
To: public-html-a11y@w3.org
Message-Id: <E1PDe89-0003zE-Fr@jessica.w3.org>

--- Comment #4 from Laurent Goderre <laurent.goderre@gmail.com> 2010-11-03 14:16:01 UTC ---
(In reply to comment #3)
> (In reply to comment #2)
> > (In reply to comment #1)
> > > HTML5 defines an algorithm to extract an outline from a document based on
> > > sectioning elements and headings.
> > 
> > So we have to rely on WAI-ARIA to define the structure (which stream is the
> > main document etc..)?
> There shouldn't be any need for additional structure or "streams".
> The outline retains information about <nav>, etc.  Your user agent can choose
> to present just the <nav> headings, separate from the main document headings,
> all by itself.

That would be semantically incorrect. On a web page not everything is related
to the content and it's important to make a distinction. For example, a
breadcrumb heading (hidden in graphic user agent but available for screen
reader to jump to it) does not belong in the content structure. For example:

h2 Breadcrumbs
h1 History of writing
    h2 Prehistoric writings
    h2 Antiquity
        h3 Witing in Ancient Egypt
        h3 Writing in Ancient Greece
        h3 Writing in the Roman Empire
    h2 Medieval
h2 Footer

Breadcrumb and Footer, are very useful heading allowing screen reader users to
more easily access part of the page but they don't belong with the same heading

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Received on Wednesday, 3 November 2010 14:16:03 UTC

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