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Checkpoint 3.4 again

From: Joe Clark <joeclark@joeclark.org>
Date: Sat, 28 Jul 2001 11:53:50 -0400
Message-Id: <a05100301b7888f4b6b39@[65.92.105.226]>
To: w3c-wai-gl@W3.org
Checkpoint 3.4, as currently written, says:

>Illustrations must be designed to portray important concepts or 
>relationships employed in the content.

The use of the passive voice is sinister here. Which of the following 
do you actually mean?

1. If you use illustrations, they must be designed to portray 
important concepts or relationships employed in the content.

2. You must use illustrations to portray important concepts or 
relationships employed in the content.

In Case 1, authors may use illustrations; if they make that choice, 
the illustrations must meet certain goals.

In Case 2, authors have no choice in the matter and must-- in every 
case, without exception, and irrespective of appropriateness, 
applicability, illustration skill, budget, or undue hardship-- 
provide illustrations.

Mathematicians have not yet identified a number large enough to 
measure my opposition to Case 2, for reasons that have been generally 
well-explained by others.

If WCAG really means Case 2, write the checkpoint so that it is 
absolutely unambiguous. It is vaguely disconcerting that this unclear 
phrasing has been allowed to stand until this point.
-- 
         Joe Clark | joeclark@joeclark.org
         Accessibility articles, resources, and critiques:
         <http://joeclark.org/access/>
Received on Saturday, 28 July 2001 11:54:39 GMT

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