John Foliot - WATS.ca wrote:   
> 
> I don't see any other metainformation attributes that could work
>
(http://www.w3.org/TR/xhtml2/mod-metaAttributes.html#col_Metainformation 
> ) with the same flexibility (@property?) as the @role attribute.  

I really need to research/re-read more first, before responding.  After
reviewing the document referenced above again, perhaps property and
class used together would solve the issue:

<address property="author" class="author">John Foliot</address>

...although it feels somewhat convoluted to me at this point.  

JF
--
John Foliot  foliot@wats.ca
Web Accessibility Specialist / Co-founder of WATS.ca
Web Accessibility Testing and Services
http://www.wats.ca    
Phone: 1-613-482-7053