XHTML

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• Computers: Programming: Internet: CSS 
• Computers: Data Formats: Markup Languages: HTML 
• Computers: Data Formats: Markup Languages: XML 

• KuraFire: Case for XHTML  - Discusses details on the tool's efficiency and flexibility. Also provides related articles.
• NYPL – XHTML Guidelines and Benefits  - Discusses the rules of XTHML as compared to HTML. Includes details on its benefits, authoring tips and validation.
• Patrice Levesque – HTML: How to Succeed  - Covers details on the tool's maintenance difficulties, its syntax and declaration.
• XHTML 1.0: Where XML and HTML Meet  - Details on the backwards compatibility to HTML. Includes modularization and particulars on extension modules.
• XML.com: XHTML  - Review of the latest working draft of XHTML 2.0 by Grant Clark. Contains information on the importance of XHTML as an XML vocabulary.