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Revised proposal for 4.1.2

From: Gregg Vanderheiden <gv@trace.wisc.edu>
Date: Wed, 15 Mar 2006 17:54:49 -0600
To: <w3c-wai-gl@w3.org>
Message-ID: <004d01c6488b$d88ad8f0$ee8cfea9@NC6000BAK>
Based on the results of the Monday survey a Team A subgroup has created the
following revised proposal for 4.1 

 

4.1.1 stays the same. 

 

4.1.2 , 3, 4, & 5 are now contained in 1.3.1 (by adding a Condition ) and a
new 4.1.2 

 

Following the 4.1 SC are proposed definitions to go with them (and other SC)

 

Gregg

For Team A Subteam

 

 


Guideline 4.1 Support compatibility with current and future user agents
(including assistive technologies)


[edit
<http://trace.wisc.edu/wcag_wiki/index.php?title=Understanding_Guideline_4.1
&action=edit&section=4> ]


4.1.1 Web Units
<http://trace.wisc.edu/wcag_wiki/index.php?title=Web_Units&action=edit>  can
be parsed unambiguously and the relationships in the resulting data
structure are also unambiguous. How_to_Meet_Success_Criterion_4.1.1
<http://trace.wisc.edu/wcag_wiki/index.php?title=How_to_Meet_Success_Criteri
on_4.1.1>  


 


4.1.2 The name, role, perceivable properties, and relationships of user
interface components can be programmatically determined, their user-settable
values can be programmatically set, and notification of changes is
available. How_to_Meet_Success_Criterion_4.1.2
<http://trace.wisc.edu/wcag_wiki/index.php?title=How_to_Meet_Success_Criteri
on_4.1.2>  


Note: Focus and selection are included in user settable values. 

 

 

 

 


DEFINITIONS 


 

PROGRAMMATICALLY DETERMINED 
determined by software from data provided in a publicly documented and
user-agent-supported manner such that the user agents can extract and
present this information to users in different modalities. 

Note: Publicly documented here means that documents are available in a free
and accessible manner to the public, including availability on the Web. 


USER-AGENT-SUPPORTED 
implemented by user agents and assisted technologies 

Note: One of the factors that should be considered before adding a
technology to a baseline would be the availability of affordable user agents
and assisted technologies which support the technology. 


PROGRAMMATICALLY SET 
set by software using methods that are publicly documented and
user-agent-supported. 

Note: Publicly documented here means that documents are available in a free
and accessible manner to the public, including availability on the Web. 


LABEL
text, image or sound that is presented to a user to identify a component
within Web content. 


NAME 
text by which software can identify a component within Web content to the
user. 

Note: the name may be hidden and only exposed by assistive technology,
whereas a Label is presented even without assitive technology. In many (but
not all) cases, the label is a display of the name. 


ROLE 
text or a number by which software can identify the function of a components
within Web content 

Example: a number that indicates whether an image functions as a hyperlink,
command button, or check box. 

 

 

 

 

 


Gregg

------------------------

Gregg C Vanderheiden Ph.D. 
Professor - Depts of Ind. Engr. & BioMed Engr.
Director - Trace R & D Center 
University of Wisconsin-Madison 
< <http://trace.wisc.edu/> http://trace.wisc.edu/> FAX 608/262-8848  
For a list of our list discussions http://trace.wisc.edu/lists/

The Player for my DSS sound file is at http://tinyurl.com/dho6b 

 <http://trace.wisc.edu:8080/mailman/listinfo/>  

 

 
Received on Wednesday, 15 March 2006 23:54:56 GMT

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