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RE: "Chunk of XML" - Canonicalization and equality

From: Dare Obasanjo <dareo@microsoft.com>
Date: Mon, 12 Jan 2004 15:10:04 -0800
Message-ID: <830178CE7378FC40BC6F1DDADCFDD1D10190D691@RED-MSG-31.redmond.corp.microsoft.com>
To: "Tim Berners-Lee" <timbl@w3.org>, <www-tag@w3.org>

>-----Original Message-----
>From: www-tag-request@w3.org [mailto:www-tag-request@w3.org] 
>On Behalf Of Tim Berners-Lee
>Sent: Monday, January 12, 2004 2:11 PM
>To: 'www-tag@w3.org'
>Subject: "Chunk of XML" - Canonicalization and equality
>- The underlying data model:  SOAP and WSDL and XML-Include use the 
>Infoset;   DSig used XPath 1.0 and XQ I understand uses XPath 2.0 data 
>model. No group seems interested in invariance in the 
>serialized XML, but only in the parsed XML of some form.
>- Whether xml:lang is included.  (Not done in the DSig 
>canon'ns, Internat'n would like to see it in)
>- Whether xml:base  is included (xml:base did not exist when 
>DSig did their canon'ns)
>- Whether extraneous namespace settings not obviously used are 
>included. (This is the difference between XML DSig's exclusive 
>and inclusive canon'n)

There is no serialization of the PSVI which is also a big problem given
the amount of technologies that depend on it. 

Entropy isn't what it used to be.

This posting is provided "AS IS" with no warranties, and confers no
Received on Monday, 12 January 2004 18:11:49 UTC

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