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Re: Omission in '4.4.11.1 Creating an outline' ?

From: Ian Hickson <ian@hixie.ch>
Date: Tue, 4 Aug 2009 23:50:02 +0000 (UTC)
To: Simon Pieters <simonp@opera.com>
Cc: Seth Call <sethcall@gmail.com>, public-html-comments@w3.org
Message-ID: <Pine.LNX.4.62.0908042347560.6420@hixie.dreamhostps.com>
On Wed, 29 Jul 2009, Simon Pieters wrote:
> On Wed, 29 Jul 2009 03:26:31 +0200, Ian Hickson <ian@hixie.ch> wrote:
> > On Wed, 15 Jul 2009, Seth Call wrote:
> > > 
> > > I believe there may be an omission to a particular rule in the 
> > > 'Creating an outline' section:  
> > > http://dev.w3.org/html5/spec/#outlines
> > > 
> > > Specifically, from the rule 'When exiting a sectioning root element, 
> > > if the stack is not empty' quoted at the bottom of this email, I 
> > > believe there should be a 6th step:
> > > 
> > > 	'6. Append the outline of the sectioning content element being
> > > exited to the current section. (This does not change which section is
> > > the last section in the outline.)'
> > > 
> > > In addition, I think the 3rd step should be changed to:
> > > 
> > > 	'3. Finding the deepest child: If current section has no child
> > > sections, jump to step 6'
> > 
> > No, the sectioning roots don't append their outlines to their "parent" 
> > outlines. This is intentional -- consider a table with multiple cells, 
> > each with sections. Those sections aren't part of the document that 
> > the table is part of -- but the cells still have outlines.
> 
> Such tables are almost certainly for layout, and it would be a 
> disservice to users of AT to hide sections in layout tables from the 
> document outline.

Nothing prevents the UA from using the outlines; it's just not automatic. 
As far as I can tell, that's the right balance. Similarly, outlines of 
blockquoted material or in <figure>s aren't included in the <body> outline.

-- 
Ian Hickson               U+1047E                )\._.,--....,'``.    fL
http://ln.hixie.ch/       U+263A                /,   _.. \   _\  ;`._ ,.
Things that are impossible just take longer.   `._.-(,_..'--(,_..'`-.;.'
Received on Tuesday, 4 August 2009 23:50:38 GMT

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