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Re: Untestable success criteria

From: Chris Ridpath <chris.ridpath@utoronto.ca>
Date: Thu, 20 Nov 2003 14:32:13 -0500
Message-ID: <058101c3af9c$ff932c20$b040968e@WILDDOG>
To: "WAI-GL" <w3c-wai-gl@w3.org>

Joe,

> The assumption here is that all guidelines are *machine*-testable.
>
Who's assumption? Not mine.

Of course, not all guidelines can be machine testable.

http://aprompt.snow.utoronto.ca/oac/
Did you read the section 'Machine Use And Human Decisions'?

Chris


----- Original Message ----- 
From: "Joe Clark" <joeclark@joeclark.org>
To: "WAI-GL" <w3c-wai-gl@w3.org>
Sent: Thursday, November 20, 2003 12:31 PM
Subject: Re: Untestable success criteria


>
> > We've been working on a system to make accessibility guidelines testable
and
> > it may help in your work.
>
> The assumption here is that all guidelines are *machine*-testable.
>
> > This is still early in the development cycle and I would appreciate any
> > feedback you may have.
>
> My feedback is that Chris is ideologically reluctant to accept that some
> accessibility guidelines will never be machine-testable. It took hours and
> thousands of words of explanation before he would finally reluctantly
> conded that colour combinations for colour-normal visually-impaired people
> could not be machine-tested.
>
> Of course it's possible to test all accessibility provisions. It would be
> very interesting to have multiplatform, standards-compliant tools to
> facilitate all kinds of testing-- machine- and human-driven. But if this
> is a cover story to twist and deform WCAG into an undifferentiated set of
> machine-testable guidelines, we have a problem.
>
> > ----- Original Message -----
>
> Yeah, nice one. 150 lines of forwarded text. Nice.
>
>
> --
>
>   Joe Clark  |  joeclark@joeclark.org
>   Author, _Building Accessible Websites_
>   <http://joeclark.org/access/> | <http://joeclark.org/book/>
>
Received on Thursday, 20 November 2003 14:32:55 GMT

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