Abstract
This specification defines the Third Edition of XHTML 1.0, a reformulation of HTML 4 as an
XML 1.0 application, and three DTDs corresponding to the ones defined by HTML 4. The semantics of the elements and their attributes are
defined in the W3C Recommendation for HTML 4. These semantics provide the foundation for future extensibility of XHTML. Compatibility with existing HTML user agents is possible by following a
small set of guidelines [XHTMLMIME].
Status of this document
This section describes the status of this document at the time of its publication. Other documents may supersede this document. A list of current W3C publications and the latest revision of
this technical report can be found in the W3C technical reports index at http://www.w3.org/TR/.
This document is a W3C Proposed Edited Recommendation. If approved, it will supersede the previous edition of XHTML 1.0. This third
edition is not a new version of XHTML 1.0 (first published 26 January 2000). The changes in this document reflect corrections applied as a result of comments submitted by the community and
as a result of ongoing work within the XHTML 2 Working Group. The only change of note in this version is that the contents of the informative Appendix A have been removed as they are being kept up to
date in a separate document [XHTMLMIME]. Changes between this version and the previous Recommendation are illustrated in a
diff-marked version.
Publication as a Proposed Edited Recommendation does not imply endorsement by the W3C Membership. This is a draft document and may be updated, replaced or obsoleted by other documents at any time.
It is inappropriate to cite this document as other than work in progress.
W3C Advisory Committee Members are invited to send formal review comments on this Proposed Edited Recommendation to the W3C Team until 4 June 2009. Members of the W3C Advisory Committee will find
the appropriate review form for this document by consulting their list of current WBS questionnaires.
Please report errors in this document to www-html-editor@w3.org (archive). Public
discussion on HTML features takes place on the mailing list www-html@w3.org (archive).
This document has been produced by the W3C XHTML 2 Working Group as part of the HTML Activity. The goals of
the XHTML 2 Working Group are discussed in the XHTML 2 Working Group charter.
This document is governed by the 24 January 2002 CPP as amended by the
W3C Patent Policy Transition Procedure. 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. 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.
A list of current W3C Recommendations and other technical documents can be found at http://www.w3.org/TR.
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