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Re: using DTDs to ground semantics of XML/XHTML documents? [RDFinXHTML-35]

From: Pat Hayes <phayes@ihmc.us>
Date: Wed, 20 Jun 2007 12:33:06 -0500
Message-Id: <p06230908c29f1466d15c@[]>
To: Dan Connolly <connolly@w3.org>
Cc: www-tag <www-tag@w3.org>, swick <swick@w3.org>, Ivan Herman <ivan@w3.org>

>The Semantic Web Deployment WG, working on RDFa, is
>considering an issue:
>How does one "Follow one's nose" from an HTML document to the RDFa spec?
>A recent proposal is, in short "through the DTD".

Seems to me that this makes sense only if the DTD is not just 
recommended for +RDFa, but *required* for it. Otherwise, even a 
bloodhound won't be able to get back from the document to the spec 
when the DTD is ignored or has gotten lost. Maybe I'm not following 
all the subtleties here.

What's wrong with the namespace way of doing it?


>I find that answer unappealing, though I don't have
>any particular argument against it. I noted my
>unease in response to the recent proposal.
>I wonder if anyone else has concerns about the use of DTDs, as opposed
>to namespaces, as a way to ground semantics of XML documents.
>This seems to be the approach used in XHTML Modularization.
>Dan Connolly, W3C http://www.w3.org/People/Connolly/

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Received on Wednesday, 20 June 2007 17:33:15 UTC

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