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Re: Implementing WCAG 2.0 (was: Scaleable fonts for Priority 2 WAI guidelines)

for

From: Steve Green
Date: May 15, 2008 10:40AM


I'll have to ask Mike what he agreed with his client. My concern is that you
may build a site that meets WCAG 2.0 as it exists now, only to find that it
is non-compliant with the final version. Who pays the cost of bringing it up
to compliance, especially if it was a contractual requirement? That's not an
issue if it's your own site but it could be with an external client.

Steve



-----Original Message-----
From: <EMAIL REMOVED>
[mailto: <EMAIL REMOVED> ] On Behalf Of Christophe
Strobbe
Sent: 15 May 2008 17:14
To: WebAIM Discussion List
Subject: Re: [WebAIM] Implementing WCAG 2.0 (was: Scaleable fonts for
Priority 2 WAI guidelines)

Hi Steve,

At 17:38 15/05/2008, you wrote:
>Perhaps I should have caveated that comment. Yes, if you're designing
>websites for your own use or for your employer, then by all means
>implement WCAG 2.0 now on the understanding that you may need to do some
rework later.
>
>If you're designing for external clients I don't think it's appropriate
>to be working to guidelines that have not yet reached W3C
>Recommendation status.

Thank you for that clarification.
However, Mike Cherim has already implemented WCAG 2.0 on a website for an
external client: see <http://green-beast.com/blog/?p=221>;.


>I assume that the process of attaining Proposed Recommendation and W3C
>Recommendation is not just a rubber stamp job and that there is
>therefore the possibility of change.

Indeed, implememtation evidence is not optional but *required* in order to
exit the CR stage:
the exit criteria require at least 10 conforming websites (more details at
<http://www.w3.org/TR/2008/CR-WCAG20-20080430/#status_exit>;).

>If there is no possibility of change,
>what would be the purpose of those extra stages?

Some success criteria have been defined as being "at risk"; see
<http://www.w3.org/TR/2008/CR-WCAG20-20080430/#status_risk>;.
Depending on implementation feedback, some success criteria may become less
restrictive, revert to an earlier version, or become advisory (i.e. they
would become advisory techniques instead of success critera).

In the past, some candicate recommendations have been pushed back to the
working draft stage. For example, CSS 2.1 was a candidate recommendation in
February 2004 <http://www.w3.org/TR/2004/CR-CSS21-20040225/>;,
went back to working draft in 2005
<http://www.w3.org/TR/2005/WD-CSS21-20050613/>;,
and is now again a candidate recommendation:
<http://www.w3.org/TR/2007/CR-CSS21-20070719/>;.

Best regards,

Christophe


>Steve
>
>
>
>-----Original Message-----
>From: <EMAIL REMOVED>
>[mailto: <EMAIL REMOVED> ] On Behalf Of Christophe
>Strobbe
>Sent: 15 May 2008 09:47
>To: WebAIM Discussion List
>Subject: [WebAIM] Implementing WCAG 2.0 (was: Scaleable fonts for
>Priority 2 WAI guidelines)
>
>Hi Steve,
>
>
>At 16:39 14/05/2008, you wrote:
> >WCAG 2.0 has not been officially released. It is merely a Candidate
> >Recommendation, and won't become a Proposed Recommendation till 31
> >August 2008. There will be a further delay before it reaches the
> >final stage and becaomes a W3C Recommendation.
> >
> >In all probability it won't change much between now and then but it
> >reached Candidate Recommendation status before about two years ago,
> >after which it was substantially rewritten.
>
>WCAG 2.0 has never been a Candidate Recommendation before April 2008.
>What you are referring to is the last call working draft of April 2006:
><http://www.w3.org/TR/2006/WD-WCAG20-20060427/complete.html>;.
>(There was another last call working draft in December 2007:
><http://www.w3.org/TR/2007/WD-WCAG20-20071211/>;. It is not unusual to
>go through two last calls; the process has become much heavier since
>WCAG 1.0 was released in 1999.)
>
>
> >By all means learn about WCAG 2.0 but it's premature to be talking
> >about implementing it.
>
>On the contrary. Candidate Recommendation is a call for implementations.
>See <http://www.w3.org/WAI/WCAG20/CR/>;.
>Implementations are needed WCAG 2.0 to move to Proposed Recommendation;
>it needs to be shown that WCAG 2.0 can be implemented.
>Stating that it is premature to implement WCAG 2.0 is a self-fulfilling
>prophecy that hinders the progress of WCAG 2.0 to W3C Recommendation.
>
>Best regards,
>
>Christophe Strobbe
>
>
> >Steve
> >
> >
> >
> >-----Original Message-----
> >From: <EMAIL REMOVED>
> >[mailto: <EMAIL REMOVED> ] On Behalf Of Paul
> >Collins
> >Sent: 14 May 2008 15:19
> >To: WebAIM Discussion List
> >Subject: Re: [WebAIM] Scaleable fonts for Priority 2 WAI guidelines
> >
> >Thanks Rahul, that is a big help. I was refering to WCAG 1.0, I just
> >realised WCAG 2.0 has been officially released! You could still use
> >sIFR for
> >1.4.5 thought, right? Just that you have the option to use images as
well.
> >
> >Better start learning the new rules then...
> >
> >Thanks again for your help.
> >Paul




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Christophe Strobbe
K.U.Leuven - Dept. of Electrical Engineering - SCD Research Group on
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