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Re: What does WCAG mean by "a set of Web units"

From: Loretta Guarino Reid <lguarino@adobe.com>
Date: Fri, 18 Aug 2006 06:40:16 -0700
To: Carlos A Velasco <Carlos.Velasco@fit.fraunhofer.de>
CC: WCAG <w3c-wai-gl@w3.org>
Message-ID: <C10B1150.15425%lguarino@adobe.com>

Hi, Carlos,

While we do still need to discuss what a Web unit is, I think this issue is
separate. Think about how we would want to answer the question for HTML
pages. If you have a complex web site, with different areas providing
different kinds of functionality, targeting different audiences, etc.,
should these success criteria be applied over the entire site? Separately
over subsections of the site? If you are creating a web application, are the
answers the same? 

Loretta

On 8/17/06 11:22 PM, "Carlos A Velasco" <Carlos.Velasco@fit.fraunhofer.de>
wrote:

> Dear Loretta, all,
> 
> I think you cannot discuss what "a set of Web units" is, when you don't
> even have clearly defined what a Web unit is. See on this topic, i.e.
> [1], based upon comments of Johannes Koch, Christophe Strobbe, Carlos
> Iglesias and myself in this list and in ERT.
> 
> regards,
> carlos
> 
> [1]
> <http://lists.w3.org/Archives/Public/public-comments-wcag20/2006Aug/0007.html>
> 
> Loretta Guarino Reid wrote:
>> A number of our success criteria involve properties of a Web unit within
>> a set of Web units:
>> 
>> *//*
>> 
>> */2.4.1/* A mechanism is available to bypass blocks of content that are
>> repeated on multiple Web units.
>> 
>> */2.4.2/* More than one way is available to locate content within a set
>> of Web units where content is not the result of, or a step in, a process
>> or task.
>> 
>> */2.4.7/* Information about the user's location within a set of Web
>> units is available.
>> 
>> */3.2.3/* Navigational mechanisms that are repeated on multiple Web
>> units within a set of Web units occur in the same relative order each
>> time they are repeated, unless a change is initiated by the user.
>> 
>> */3.2.4/* Components that have the same functionality within a set of
>> Web units are identified consistently.
>> 
>> We received several comments that point out that the set of Web units is
>> not well defined, and that these SC can be satisfied trivially if the
>> ³set of Web units² is just the Web unit itself. What ³set of Web units²
>> should an author be considering so that we gain the accessibility
>> benefits of these SC? Clearly the entire web is too large and the Web
>> unit itself is too small.
>> 
>> We started a discussion at the end of todayıs call about what we mean,
>> in these SC, by a set of Web units. Some of the ideas that were
>> discussed included:
>> 
>> -       the web site
>> 
>> -       the contents of the conformance statement
>> 
>> -       a set of Web units that is intended by its author to be used
>> together
>> 
>> -       all of the Web units within a site that can be reached from the
>> graph starting at some root Web unit.
>> 
>> More thoughts or suggestions?
>> 
>> Loretta
>> 
>> ///////Loretta Guarino Reid/
>> 
>> lguarino@adobe.com
>> 
>> Adobe Systems, Acrobat Engineering
>> 
Received on Friday, 18 August 2006 13:40:46 GMT

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