Applications, DTDs, Namespaces (was Re: Another look at namespaces)

Simon St.Laurent simonstl at
Thu Sep 16 20:20:10 BST 1999

At 12:50 PM 9/16/99 -0500, Shane P. McCarron wrote:
>The XHTML 1.0 Proposed Recommendation
>( states in its Abstract
>and in Section 1.0 (What is XHTML?) that the specification is a
>reformulation of the three HTML 4.0 DTDs into three XML applications. We
>absolutely meant this to say that there are three distinct XML
>applications corresponding to the three distinct SGML applications of
>HTML 4.0.  I will add a comment to the issue database that this was
>unclear and try to make an editorial change to the document to clarify
>it during the transition from PR to Recommendation (assuming we ever get
>that far ;-).
>Shane McCarron
>Speaking as editor of the XHTML 1.0 Proposed Recommendation

I'm not sure that this actually clarifies the genuinely contentious issues.  

'Three distinct XML applications' still doesn't imply 'three distinct XML
namespaces'.  The Namespaces in XML Recommendation only describes software
applications, not 'XML applications'.  There doesn't appear to be any
correlation between applications and namespaces, and I think that issue
(also described as DTDs/schemas and namespaces) is what's keeping this
discussion grinding along, going nowhere quickly.

'Vocabularies' might be a better word to use (more in keeping with the NiX
rec), though there the overlap between the three vocabularies makes it hard
to justify.

Simon St.Laurent
XML: A Primer (2nd Ed - September)
Building XML Applications
Inside XML DTDs: Scientific and Technical
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