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RE: Supporting Technology

From: Gregg Vanderheiden <gv@trace.wisc.edu>
Date: Fri, 19 Dec 2003 16:15:17 -0600
To: "'Sailesh Panchang'" <sailesh.panchang@deque.com>, <w3c-wai-gl@w3.org>
Message-ID: <003f01c3c67d$95cb82e0$0bc46880@USD320002X>


   In conjunction with techniques we will be developing   "Technology
Specific Checklists".    These checklists will be what people actually use
in practice since they will say specifically what must be done with each
technology to meet the WCAG.    


The checklists will be for technologies or sets of technologies that can
meet all of the WCAG 2.0 guidelines.  They will have to allow a person to at
least meet all of the level 1 success criteria.  ( or else they would have
to start out with a statement that in order for content presented with this
technology to meet WCAG 2.0 all content must also be presented in another
technology in a form that did meet minimum WCAG 2.0 --- which of course is
not very encouraging) 


 So there would be no CSS checklist.  Only an HTML plus CSS checklist.  Or
an XHTML plus CSS checklist.   Or XHTML + CSS + Scripting checklist. 


 -- ------------------------------ 
Gregg C Vanderheiden Ph.D. 
Professor - Ind. Engr. & BioMed Engr.
Director - Trace R & D Center 
University of Wisconsin-Madison 

-----Original Message-----
From: w3c-wai-gl-request@w3.org [mailto:w3c-wai-gl-request@w3.org] On Behalf
Of Sailesh Panchang
Sent: Friday, December 19, 2003 12:52 PM
To: w3c-wai-gl@w3.org
Subject: Supporting Technology



Introducing  concept of supporting technology and  host technology is really
important for the Gateway doc ... and perhaps in the main WCAG 2.0 doc.

Identifying CSS, scripting etc. as supporting and XHTML as host technology
will be really helpful. Necessary to point out the supporting technologies
cannot be used independently to develop Web content and cannot be used to
satisfy all checkpoints. Saying this explicitly will avoid confusion.


From: Wendy A Chisholm <mailto:wendy@w3.org>  

To: Tim <mailto:frederick.boland@nist.gov>  Boland ; w3c-wai-gl@w3.org 

Sent: Friday, December 19, 2003 12:55 PM

Wendy writes:

We have not been assuming that someone could use CSS alone to satisfy all
of the success criteria.  Since CSS is used in conjunction with other
technologies, we have discussed marking the dependencies between techniques
(in our xml source) so that we can generate checklists that will pull
together the various technology-specific pieces that someone might need.
Client-side scripting is also a "supporting" technology rather than
a "host" technology.  It will not be possible to meet all success criteria
using only a supporting technology.


Sailesh Panchang
Senior Accessibility Engineer 
Deque Systems,11180  Sunrise Valley Drive, 
4th Floor, Reston VA 20191
Tel: 703-225-0380 Extension 105 
E-mail: sailesh.panchang@deque.com
Fax: 703-225-0387
* Look up <http://www.deque.com> *


Received on Friday, 19 December 2003 17:15:25 UTC

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