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HTML 5

HTML 5
A vocabulary and associated APIs for HTML and XHTML

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HTML 5

Editor's Draft 1 August 2009
Latest Published Version: http://www.w3.org/TR/html5/ Latest Editor's Draft: http://www.w3.org/html/wg/html5/ Previous Versions: http://www.w3.org/TR/2009/WD-html5-20090423/http://www.w3.org/TR/2009/WD-html5-20090212/ http://www.w3.org/TR/2008/WD-html5-20080610/ http://www.w3.org/TR/2008/WD-html5-20080122/ Editors: Ian Hickson, Google, Inc. David Hyatt, Apple, Inc. This specification is available in the following formats: single page HTML, multipage HTML. This is $Revision: 1.2719 $.
Copyright © 2009 W3C® (MIT, ERCIM, Keio), All Rights Reserved. W3C liability, trademark and document use rulesapply.

Abstract
This specification defines the 5th major revision of the core language of the World Wide Web: the Hypertext Markup Language (HTML). In this version, new features are introduced to help Web application authors, new elements are introduced based on research into prevailing authoring practices, and special attention has been given to defining clear conformance criteria foruser agents in an effort to improve interoperability.

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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 most recently formally published revision of this technicalreport can be found in the W3C technical reports index at http://www.w3.org/TR/. The WHATWG version of this specification is available under a license that permits reuse of the specification text. If you wish to make comments regarding this document, please send them to public-html-comments@w3.org (subscribe, archives) or whatwg@whatwg.org (subscribe, archives), or submit them using our publicbug database. All feedback is welcome. We maintain a list of all e-mails that have not yet been considered and a list of all bug reports that have not yet been resolved. Implementors should be aware that this specification is not stable. Implementors who are not taking part in the discussions are likely to find the specification changing out from under them in incompatible ways. Vendorsinterested in implementing this specification before it eventually reaches the Candidate Recommendation stage should join the aforementioned mailing lists and take part in the discussions. The publication of this document by the W3C as a W3C Working Draft does not imply that all of the participants in the W3C HTML working group endorse the contents of the specification. Indeed, for any section ofthe specification, one can usually find many members of the working group or of the W3C as a whole who object strongly to the current text, the existence of the section at all, or the idea that the working group should even spend time discussing the concept of that section. The latest stable version of the editor's draft of this specification is always available on the W3C CVS server and in theWHATWG Subversion repository. The latest editor's working copy (which may contain unfinished text in the process of being prepared) is also available. There are various ways to follow the change history for the specification: E-mail notifications of changes HTML-Diffs mailing list (diff-marked HTML versions for each change): http://lists.w3.org/Archives/Public/public-html-diffs/latestCommit-Watchers mailing list (complete source diffs): http://lists.whatwg.org/listinfo.cgi/commit-watchers-whatwg.org Real-time notifications of changes: Generated diff-marked HTML versions for each change: http://twitter.com/HTML5 All (non-editorial) changes to the spec source: http://twitter.com/WHATWG Browsable version-control record of all changes: CVSWeb interface with side-by-side diffs:...