RE: "Chunk of XML" - Canonicalization and equality

>-----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. 

--
PITHY WORDS OF WISDOM 
Entropy isn't what it used to be.


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