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

http://www.w3.org/Bugs/Public/show_bug.cgi?id=11199

--- Comment #6 from Laurent Goderre <laurent.goderre@gmail.com> 2010-11-03 16:15:32 UTC ---
(In reply to comment #5)
> (In reply to comment #4)
> > (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
> > structure.
> 
> ...like I said, your user agent can choose to separate out some types of
> headings for you automatically, if they occur in a <nav> or similar rather than
> just part of the normal document structure.

I understand but that's just guessing from the user agent. My understanding was
that HTML is to try to remove the guessing part from user agent by having a
clear and semantic format.

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Received on Wednesday, 3 November 2010 16:15:36 UTC