XML Information Set goes to Candidate Recommendation

Date:      Wed, 16 May 2001 11:42:49 -0500
From:      Paul Grosso <pgrosso@arbortext.com>
To:        xml-dev@lists.xml.org
Subject:   XML Information Set goes to Candidate Recommendation

The W3C's XML Core WG is pleased to announce the advancement of the XML Information Set to Candidate Recommendation status:

XML Information Set
http://www.w3.org/TR/2001/CR-xml-infoset-20010514
John Cowan, Richard Tobin, eds.

Abstract

This specification provides a set of definitions for use in other specifications that need to refer to the information in an XML document.

Candidate Recommendation Plans and Exit Criteria

The purpose of this XML Information Set specification is to provide definitions for use in other specifications; definitions of what structure is represented by the syntax of an XML document was not included in the original XML specification, but a number of technologies layered on XML have needed such definitions, and have specified them:

The Document Object Model is an API for manipulating the structure represented by an XML document.
XPath gives a syntax for selecting parts of the structure represented by an XML document; this syntax is defined in terms of a data model; this XPath data model is used in the XSLT and XPointer specifications.
The XML Canonicalization specficiation is also based on the XPath data model.
The XML Schema specification is defined in terms of the information represented by an XML document, not in terms of the character-sequence syntax.
The XInclude specification is defined as merging document structures.
The XML Query algebra is based on a data model for XML.

Implementation of this XML Information Set specification consists primarily of its use in such layered specifications.

Feedback from working groups developing such layered specifications is expected to provide the bulk of evidence of implementation experience of the XML Information Set.

Of course, feedback from software developers who find the XML Information Set specification is welcome. Feedback from those developing training materials regarding the structure of XML documents is also in order.

Status of this Document

This specification of the XML Information Set is a Candidate Recommendation of the World Wide Web Consortium.

One of the main purposes of the CR period is to gain feedback based on implementation experience. Because its purpose is to provide definitions for use in other specifications, implementation of this specification consists primarily of its use in those specifications.

The XML Core Working Group invites comments on the specification thru 15 Jun 2001, at which point we expect to have sufficient evidence of implementation to advance to Proposed Recommendation. Comments should be sent to www-xml-infoset-comments@w3.org. An archive is available to the public at:

http://lists.w3.org/Archives/Public/www-xml-infoset-comments/.

For background on this work, please see the XML Activity Statement. This specification is a product of the XML Core Working Group.

See the XML Information Set Requirements for the specific requirements that informed development of this specification.

It is inappropriate to use W3C Working Drafts as reference material or to cite them as other than "work in progress." A list of current W3C Recommendations and other technical documents can be found at http://www.w3.org/TR/.

Paul Grosso, Co-chair of the W3C XML Core WG

Prepared by Robin Cover for The XML Cover Pages archive. See the news item.

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