SHOULD vs. MUST and abstract roles

• From: Henri Sivonen <hsivonen@iki.fi>
• Date: Wed, 20 May 2009 12:04:23 +0300
• To: public-pfwg-comments@w3.org
• Message-Id: <C1745EAE-33D9-4B56-9458-3AEC0404FD07@iki.fi>

> Note: Abstract roles are used for the ontology. Authors SHOULD NOT  
> use abstract roles in content.

Please make that 'MUST NOT', since using abstract roles is  
unambiguously an error if user agents don't support the abstract roles  
as concrete.

-- 
Henri Sivonen
hsivonen@iki.fi
http://hsivonen.iki.fi/

Received on Wednesday, 20 May 2009 09:05:06 UTC