Validating identity message
The errata list for this fifth edition is available at A Test Suite is maintained to help assessing conformance to this specification.This document has been reviewed by W3C Members, by software developers, and by other W3C groups and interested parties, and is endorsed by the Director as a W3C Recommendation.Copyright © 2008 The Extensible Markup Language (XML) is a subset of SGML that is completely described in this document.Its goal is to enable generic SGML to be served, received, and processed on the Web in the way that is now possible with HTML.It is a stable document and may be used as reference material or cited from another document.W3C's role in making the Recommendation is to draw attention to the specification and to promote its widespread deployment.This enhances the functionality and interoperability of the Web.W3C maintains a public list of any patent disclosures made in connection with the deliverables of the group; that page also includes instructions for disclosing a patent.
Most of the errata in the list provide a rationale for the change.
Please refer to the errata for this document, which may include some normative corrections.
The previous errata for this document, are also available. This document is also available in these non-normative formats: XML and XHTML with color-coded revision indicators.
XML has been designed for ease of implementation and for interoperability with both SGML and HTML.
This section describes the status of this document at the time of its publication. A list of current W3C publications and the latest revision of this technical report can be found in the W3C technical reports index at