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Subject: RE: [ubl] Namespace versioning

Title: Re: [ubl] Namespace versioning
I am not talking about doing away with minor versions for the schema, only minor versioning of the namespaces.  A namespace is nothing more than the first part of a qualified name for elements and attributes - or if you like an artificial container of names that are unique within that container.  It is not, and in my opinion should not, be a substitution for schema location.  Our namespace string and schema location string are the same out of convenience and standardization - not because they imply the same thing.

From: Anthony B. Coates [mailto:abcoates@londonmarketsystems.com]
Sent: Tue 8/16/2005 5:10 PM
To: ubl@lists.oasis-open.org
Subject: Re: [ubl] Namespace versioning

Mark, what mechanism would you use for identifying the minor version of 
the Schema that an instance is valid for?  Non-identification of minor 
versions is fine for systems that are always and instantaneously updated 
to handle the latest minor version of the Schema, but all other systems 
need to be able to identify when they have been sent an instance which 
corresponds to a new minor version that the system doesn't yet handle.

Cheers, Tony.

On Tue, 16 Aug 2005 20:07:11 +0100, CRAWFORD, Mark <MCRAWFORD@lmi.org> 

> Greetings,
> A while back I raised the issue of eliminating the minor versioning of
> namespaces.  More specifically, I propose changing NMS 2 as well as
> differentiation VER 1 through VER 4 for the namespace <document ID> to
> use <name>-<major> and for the schema location <documentID> to use
> <name>-<major >.<non-zero>[.<revision>].

Anthony B. Coates
London Market Systems Limited
33 Throgmorton Street, London, EC2N 2BR, UK
Mobile/Cell: +44 (79) 0543 9026
[MDDL Editor (Market Data Definition Language), http://www.mddl.org/]
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