Appendix A. HTML/XHTML Quick Reference

HTML and XHTML are markup languages that define the structure, rather than the format, of the elements of your documents. XHTML, is the latest version of that language, is more restrictive than previous versions.

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This appendix is based on the information provided in the XHTML Specification W3C Recommendation of January 26, 2000 and revised on August 1, 2002. The latest versions of these standards can be found at http://www.w3.org/TR/html/.

To make the information readily accessible, this appendix organizes HTML elements by their function in the following order:

  • Required elements

  • Text phrases and paragraphs

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