Hi John,

> I agree... This *is* interesting.  Mark, can you expand on your
> thoughts?  How would you use the @role attribute to provide this type of
> functionality?

I started to write a reply, and then thought that this might be a good
way to illustrate some of the ideas behind the role attribute, so I've
turned it into a slightly longer post, and put it on my blog:

  <http://internet-apps.blogspot.com/2006/08/using-role-attribute-to-extend-xhtml.html >

Best regards,

Mark

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