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Last modified: Tuesday, January 21, 2003 

Short for Extensible Hypertext Markup Language, a hybrid between HTML and XML specifically designed for Net device displays.

XHTML is a markup language written in XML; therefore, it is an XML application.

XHTML uses three XML namespaces (used to qualify element and attributes names by associating them with namespaces identified by URI references. Namespaces prevent identically custom-named tags that may be used in different XML documents from being read the same way), which correspond to three HTML 4.0 DTDs: Strict, Transitional, and Frameset.

XHTML markup must conform to the markup standards defined in a HTML DTD.

When applied to Net devices, XHTML must go through a modularization process. This enables XHTML pages to be read by many different platforms.

A device designer, using standard building blocks, will specify which elements are supported. Content creators will then target these building blocks--or modules.

Because these modules conform to certain standards, XHTML's extensibility ensures that layout and presentation stay true-to-form over any platform.

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For pages about XHTML . Also check out the following links!

Related Links's Web Development Channel 
Contains links to sites that provide in-depth information, tutorials, and resources for Web development.

Modularization of XHTML
W3C Working Draft, April 10, 2001 specifying a modularization of XHTML.

W3C Proposed Recommendation, August 1999. This specification defines XHTML 1.0, a reformulation of HTML 4.0 as an XML 1.0 application, and three DTDs corresponding to the ones defined by HTML 4.0.

XHTML Extended Forms Requirements
W3C Working Draft, September 6, 1999 describing a comprehensive set of requirements for W3C's work on XHTML forms.

XHTML Web Design for Beginners
This article teaches the user how to produce Web pages in XHTML. Prior knowledge of HTML is helpful.

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Formatting Standards

Markup Languages

Wireless Computing


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