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Re: Table cell access

From: Jon Gunderson <jongund@staff.uiuc.edu>
Date: Mon, 15 Mar 1999 09:05:09 -0600
Message-Id: <199903151500.JAA21427@staff2.cso.uiuc.edu>
To: Charles McCathieNevile <charles@w3.org>, WAI UA group <w3c-wai-ua@w3.org>
Borders around cells could be accomplished with a style sheet.
Jon


At 09:54 PM 3/12/99 -0500, Charles McCathieNevile wrote:
>This is part of my promised response to Jon's proposals for subsetting
>checkpoints by applicable browser type.
>
>It seems to me that checkpoint 5.4.1 (access to individual cells) needs to
>be met for all User Agents which render tables (and all user agents should
>render tables...)
>
>In the case of the garden variety browser, a simple example is the user
>who has a magnified screen. (Or where the table is very large. This is a
>problem I had yesterday, at a fairly standard font size.) 
>
>In order to provide access to the content of a single cell, techniques
>include allowing cells to take a focus (in the HTML event model, although
>it has other problems, it is expected that any rendered element can take
>the focus). A simpler technique which can be implemented by most graphic
>browsers is to provide the user with the option of placing a border around
>each cell. The up/down and left/right navigation that can be used to make
>sense of a table (although it is not especially easy, with a large table,
>it does work) can be provided by allowing the user to scroll the viewport
>laft/right and up/down over a view. All the graphic browsers I have seen
>(Arachne, DocZilla, HotJava, IE, Mosaic, Navigator, Opera) manage this
>already. Navigation of the DOM tree would also enable identification of
>individual cells, since they are nodes on the tree.
>
>Charles McCN
>
>--Charles McCathieNevile            mailto:charles@w3.org
>phone: +1 617 258 0992   http://www.w3.org/People/Charles
>W3C Web Accessibility Initiative    http://www.w3.org/WAI
>MIT/LCS  -  545 Technology sq., Cambridge MA, 02139,  USA
> 
Jon Gunderson, Ph.D., ATP
Coordinator of Assistive Communication and Information Technology
Division of Rehabilitation - Education Services
University of Illinois at Urbana/Champaign
1207 S. Oak Street
Champaign, IL 61820

Voice: 217-244-5870
Fax: 217-333-0248
E-mail: jongund@uiuc.edu
WWW:	http://www.staff.uiuc.edu/~jongund
	http://www.als.uiuc.edu/InfoTechAccess
Received on Monday, 15 March 1999 10:00:53 UTC

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