XHTML 1.0: The Extensible HyperText Markup Language (Second Edition)

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W3C

** XHTML™ 1.0 The Extensible HyperText Markup Language (Second Edition)
**

* A Reformulation of HTML 4 in XML 1.0*

* W3C Recommendation 26 January 2000, revised 1 August 2002*

* This version:
http://www.w3.org/TR/2002/REC-xhtml1-20020801
* Latest version:
http://www.w3.org/TR/xhtml1
* Previous version:
http://www.w3.org/TR/2000/REC-xhtml1-20000126
* Diff-marked version:
http://www.w3.org/TR/2002/REC-xhtml1-20020801/xhtml1-diff.html
* Authors:
See acknowledgments.

Please refer to the *errata* for this document, which may include some
normative corrections. See also *translations*.

This document is also available in these non-normative formats: Multi-part
XHTML file, PostScript version, PDF version, ZIP archive, and Gzip'd TAR
archive.

Copyright ©2002 W3C^® (MIT, INRIA, Keio), All Rights Reserved. W3C
liability, trademark, document use and software licensing rules apply.

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* Abstract*

This specification defines the Second 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.

* Status of this document*

/This section describes the status of this document at the time of its
publication. Other documents may supersede this document. The latest status
of this document series is maintained at the W3C./

This document is the second edition of the XHTML 1.0 specification
incorporating the errata changes as of 1 August 2002. Changes between this
version and the previous Recommendation are illustrated in a diff-marked
version.

This second edition is /not/ a new version of XHTML 1.0 (first published 26
January 2000). The changes in this document


Source: www.w3.org/TR/xhtml1/


XHTML - Wikipedia, the free encyclopedia

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** XHTML **

From Wikipedia, the free encyclopedia
Jump to: navigation, search

XHTML
Filename extension .xhtml, .xht,
.xml, .html, .htm
Internet media type application/xhtml+xml
Developed by World Wide Web Consortium
Initial release 26 January 2000 (2000-01-26)
Latest release 1.1 (Second Edition) / 23 November 2010; 3 years
ago (2010-11-23)
Type of format Markup language
Extended from XML, HTML
Standard(s) 1.0 (Recommendation),
1.0 SE (Recommendation),
1.1 (Recommendation),
1.1 SE (Recommendation),


5 (Working Draft)
Open format? Yes

HTML
· HTML and HTML5; HTML editor
· Dynamic HTML
· *XHTML*

· XHTML Basic (Mobile)
· XHTML Mobile Profile and C-HTML

· HTML element

· Span and div

· HTML attribute
· Character encodings; Unicode
· Language code
· Document Object Model
· Browser Object Model
· Style sheets and CSS
· Font family and Web colors
· HTML scripting and JavaScript
· W3C, WHATWG, and validator
· Quirks mode
· HTML Frames
· HTML5 Canvas, WebGL, and WebCL
· HTML5 Audio and HTML5 video
· Web storage
· Web browser (layout) engine
· Comparison of

· document markup languages
· web browsers
· layout engine support for

· HTML; Non-standard HTML
· XHTML (1.1)
· HTML5; HTML5 canvas,

· HTML5 media (Audio, Video)

· v
· t
· e

*XHTML (_Ex_tensible _H_yper_T_ext _M_arkup _L_anguage)* is a family of XML
markup languages that mirror or extend versions of the widely used
Hypertext Markup Language (HTML), the language in which web pages are
written.

While HTML (prior to HTML5) was defined as an application of Standard
Generalized Markup Language (SGML), a very flexible markup language
framework, XHTML is an application of XML, a more restrictive subset of
SGML. Because XHTML documents need to be well-formed, they can be parsed
using standard XML parsers—unlike HTML, which requires a


Source: en.wikipedia.org/wiki/XHTML

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