- From: Leif Halvard Silli <xn--mlform-iua@xn--mlform-iua.no>
- Date: Fri, 5 Mar 2010 18:12:53 +0100
- To: John Foliot <jfoliot@stanford.edu>
- Cc: "public-html-a11y@w3.org" <public-html-a11y@w3.org>
John Foliot, Thu, 4 Mar 2010 21:24:09 -0800 (PST):
> A huge thanks to Leif for assembling the following table:
>
> http://www.w3.org/html/wg/wiki/ChangeProposals/comparsionSummarySolutions
>
> for those who wish to see an overview of the current proposals
> surrounding table summaries.
I created the table because I am frustrated by the narrow focus on
non-visual table summaries.
Below are some of the issues I document in the table (as I read the
proposals). Of course, anyone of the authors can change their proposals
to repair suboptimal issues.
* The HTML5 draft seems alone in forbidding use of @summary.
* The following proposals consider the <caption> as containing the
table identification string (no surprises so far - I admit), but leave
it to heuristics to separate the table identification string from the
rest of the content of the caption element (which could include block
level content):
1) The HTML5 draft
2) Laura’s proposal
3) Gregory’s proposal excepts <summary> from the table
identification string - but has no solution for separating
other non-caption info from the table identification string
4) Cynthia’s excepts <details> but is otherwise like Gregory’s
* These proposals either treat the entire <caption> element as a table
identification string container, or they require that any other
material that shouldn’t be treated as the table identification string,
goes into a specific element inside the <caption> element:
1) HTML4
2) WCAG2 H39 and WCAG H73
3) Leif’s proposal
* These proposals allow (or do not forbid) non-visual media related
table summaries directly in the caption - where they must be separated
from the caption's other content entirely via heuristics:
1) The HTML5 draft
2) Laura’s proposal
* These proposals allow non-visual media related table summaries inside
(by default) all media related table information elements:
1) Cynthia’s proposal
2) Leif’s proposal
* Only Gregory allows a specific non-visual media related table summary
element directly in the <caption>. (But as told above, he doesn't
forbid other table info to be placed outside <summary>.)
--
leif halvard silli
Received on Friday, 5 March 2010 17:13:31 UTC