RE: subtree filtering: content match nodes

["McDonald, Ira" <imcdonald@sharplabs.com>]

Hi Andy,

You're right of course to cite the W3C standards-track
equivalent to RFC 3076 below - thanks.

Rooting around just now on the W3C site about XPath,
I found the following interesting documents (all of
which became full Recommendations in January 2007):

XQuery 1.0 and XPath 2.0 Formal Semantics
http://www.w3.org/TR/2007/REC-xquery-semantics-20070123/

XML Path Language (XPath) 2.0
http://www.w3.org/TR/2007/REC-xpath20-20070123/

XQuery 1.0 and XPath 2.0 Data Model (XDM)
http://www.w3.org/TR/2007/REC-xpath-datamodel-20070123/

The formal semantics spec does talk about integers and
floats in a "formal" manner that leaves me a little fuzzy.

The XDM spec also refers to normalization and canonical
forms.  I don't have the bandwidth just now to digest
them.  I'll look into them in June.

All - Note XPath/2.0 is NOT fully backwards compatible
with XPath/1.0 (which is presumably now referenced by
Netconf RFCs).  But XPath/2.0, by virtue of being
harmonized with XQuery/1.0, is presumably the right
direction for Netconf to take in looking to resolve
matching behaviour for XPath expressions.

Cheers,
- Ira

Ira McDonald (Musician / Software Architect)
Chair - Linux Foundation Open Printing WG
Blue Roof Music / High North Inc
PO Box 221  Grand Marais, MI  49839
phone: +1-906-494-2434
email: imcdonald@sharplabs.com

-----Original Message-----
From: Andy Bierman [mailto:ietf@andybierman.com]
Sent: Monday, May 21, 2007 2:48 PM
To: McDonald, Ira
Cc: Martin Bjorklund; netconf@ops.ietf.org
Subject: Re: subtree filtering: content match nodes


McDonald, Ira wrote:
> Hi,
> 
> IMHO - Netconf has/had no business attempting to redefine
> canonical XML documents/fragments.  There's a perfectly
> good existing specification "Canonical XML Version 1.0"
> (RFC 3076) that got significant input from W3C experts.
> 

You mean this document:
http://www.w3.org/TR/xml-c14n

The NETCONF WG is not redefining any aspect of this document.
I don't see any text that describes normalizing numbers.

> Cheers,
> - Ira

Andy

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