^

Introduction to HTML/XHTML

XHTML Conformance

  1. Must obey the XHTML DTDs.
  2. Root element must be html.
  3. The html must contain an xmlns pointing to the the XHTML namespace.
    <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
  4. A DOCTYPE must appear before the html and point to the appropriate XHTML DTD.
  5. Cannot override any parameter entities in the DTD.
Example:

José M. Vidal .

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