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First WD of xml:id Requirements Document

From: Paul Grosso <pgrosso@arbortext.com>
Date: Wed, 06 Aug 2003 17:26:48 -0500
Message-Id: <>
To: www-tag@w3.org

The XML Core WG has just published its first WD of
a Requirements Document for xml:id.  It can be found at:


The XML Core WG welcomes comments.  We plan to start work
immediately on drafting a simple specification to support 
our requirements for xml:id.

Since XML 1.0, the ability of processors to identify an XML element by an 
explicit identifier ("IDness") has depended upon validation. Both DTDs and 
[XML Schema] have mechanisms to identify the structures containing unique 
identifiers. But neither XML Schema nor DTDs are required by all processors. 
A common processor type does not perform validation, nor fetch external 
resources for the purpose of acertaining whether the document contains 
unique identifiers.

This document sets out the requirements for a mechanism for determining 
"IDness" applicable to all classes of XML processors.

Status of this Document
This document is a working draft prepared by the W3C XML Core Working Group 
as part of the XML Activity. As a first draft, it does not necessarily 
represent a consensus of the members of the XML Core WG.

By publishing this draft, the XML Core WG requests comments from interested 
parties. Comments should be sent to public-xml-id@w3.org, which is an 
automatically and publicly archived email list.

Paul Grosso, Arnaud Le Hors
Co-chairs, XML Core WG 
Received on Wednesday, 6 August 2003 18:27:01 UTC

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