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[html-techs] Table Type

From: Chris Ridpath <chris.ridpath@utoronto.ca>
Date: Tue, 10 Feb 2004 09:56:16 -0500
Message-ID: <01ac01c3efe6$08e8b1d0$b040968e@WILDDOG>
To: "WAI WCAG List" <w3c-wai-gl@w3.org>

Action from last weeks call to review issue 248[1] and compare to current
draft document.

How to determine if a table is data or layout:

Discussed at length on this mailing list[2][3][4] etc.
In summary - If cells can be moved without affecting their intrinsic meaning
then it's a layout table. Corollary - If moving a cell affects its intrinsic
meaning then it's a data table.

Do not use structural markup for layout tables. Data tables must use TH
elements. Layout tables can not use TH elements.[4][5]

HTML techs document section '7 Data Tables' should be modified:
- remove first editorial node re: bug 248
- implement second editorial note re: how to determine table type
(subsection 7.11 already indicates that data tables must use TH)

HTML techs document section '8 Tables For Layout' should be modified:
- duplicate, or refer to, text from section 7 that describes how to
determine table purpose
(subsection 8.1 already indicates that layout tables must not use TH)

[1] http://trace.wisc.edu/bugzilla_wcag/show_bug.cgi?id=248
[2] http://lists.w3.org/Archives/Public/w3c-wai-gl/2003AprJun/0257.html
[3] http://lists.w3.org/Archives/Public/w3c-wai-gl/2000JanMar/0406.html
[4] http://lists.w3.org/Archives/Public/w3c-wai-gl/2003AprJun/0290.html
[5] http://lists.w3.org/Archives/Public/w3c-wai-gl/2003JulSep/0349.html

Chris
Received on Tuesday, 10 February 2004 09:57:44 UTC

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