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.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 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.An individual who has actual knowledge of a patent which the individual believes contains Essential Claim(s) must disclose the information in accordance with section 6 of the W3C Patent Policy.
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.Unless otherwise specified, failure to observe a prescription of this specification indicated by one of the keywords [Definition: (Of strings or names:) Two strings or names being compared are identical.Characters with multiple possible representations in ISO/IEC 10646 (e.g.This version of the XML specification may be distributed freely, as long as all text and legal notices remain intact.[Definition: A violation of the rules of this specification; results are undefined.
For the convenience of readers, an XHTML version with color-coded revision indicators is also provided; this version highlights each change due to an erratum published in the errata list for the previous edition, together with a link to the particular erratum in that list.