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RE: Closing XML Protocol Last Call issue 395

From: Martin Gudgin <mgudgin@microsoft.com>
Date: Wed, 4 Dec 2002 18:59:52 -0800
Message-ID: <92456F6B84D1324C943905BEEAE0278E02F443B7@RED-MSG-10.redmond.corp.microsoft.com>
To: <noah_mendelsohn@us.ibm.com>, "Henrik Frystyk Nielsen" <henrikn@microsoft.com>
Cc: <xml-dist-app@w3.org>



> -----Original Message-----
> From: noah_mendelsohn@us.ibm.com [mailto:noah_mendelsohn@us.ibm.com] 
> Sent: 04 December 2002 11:45
> To: Henrik Frystyk Nielsen
> Cc: xmlp-comments@w3.org
> Subject: Re: Closing XML Protocol Last Call issue 395
> 
> 
> 
> I certainly don't want to delay things here, but I am a 
> little unclear on 
> how Infosets handle internal subsets in the first place.  
> I've read it a 
> few times, and though it's somewhat difficult for me to figure out 
> (presumably my fault), it's not clear to me that internal 
> subsets are ever 
> reflected in an infoset.  

The only parts of the DTD that are reflected in the infoset are unparsed
entities, notations and PIs appearing the in DTD. It is my reading of
the Infoset spec that when it says 'DTD' it encompasses the internal and
external subsets.


> That being the case, I'm not clear 
> that one can 
> say that a serialization with a DTD is a worse serialization 
> of a given 
> infoset than one without.  I would be glad to be educated as 
> to why the 
> XML serialization of an Infoset with no DTD is unambiguously 
> the XML 1.x 
> with no internal subset.

I'm not sure why this issues revolves around the internal subset. We
explicitly prohibit the Document Type Declaration Information Item from
appearing. If there is no DTD then there is no internal or external
subset. Lexically one cannot have <!DOCTYPE ... in a SOAP message. 

I get the feeling I'm missing something ...

Gudge
Received on Wednesday, 4 December 2002 22:00:24 GMT

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