https://www.w3.org/1999/xhtml/

XHTML namespace

The namespace name http://www.w3.org/1999/xhtml is intended for use in various specifications such as:

Recommendations:

• HTML 5: A vocabulary and associated APIs for HTML and XHTML
• XHTML™ 1.0: The Extensible HyperText Markup Language
• XHTML Modularization
• XHTML 1.1
• XHTML Basic
• XHTML Print
• XHTML+RDFa

Other Documents:

• HTML 5.1
• HTML 5.2

The charters of the following W3C Working Groups include work on HTML that may impact this namespace:

• Web Platform Working Group, chartered October 2015

For more information about XML namespaces, please refer to Namespaces in XML.

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Michael Smith, W3C HTML Activity Lead

Last edited: $Date: 2016/09/07 14:16:54 $