XHTML namespace

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

• XHTML™ 1.0: The Extensible HyperText Markup Language
• XHTML Modularization
• XHTML 1.1
• XHTML Basic

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

• Semantic Web Deployment Working Group, chartered July 2006 to work on RDFa
• WAI Protocols and Formats Working Group (PFWG), chartered Dec 2006 to work on Accessibility of Dynamic Web Content
• HTML Working Group, chartered March 2007
• XHTML2 Working Group, chartered March 2007

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