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schema languages: <a class="reference external" href="http://en.wikipedia.org/wiki/Document_Type_Definition">DTD</a>, <a class="reference external" href="http://www.relaxng.org/">Relax NG</a> and <a class="reference external" href="http://www.w3.org/XML/Schema">XML Schema</a>.  All three provide

<p>There is also initial support for <a class="reference external" href="http://www.ascc.net/xml/schematron">Schematron</a>.  However, it does not currently

<div class="contents topic" id="contents">

<p class="topic-title first">Contents</p>

<li><a class="reference internal" href="#validation-at-parse-time" id="id3">Validation at parse time</a></li>

<li><a class="reference internal" href="#id1" id="id4">DTD</a></li>

<li><a class="reference internal" href="#relaxng" id="id5">RelaxNG</a></li>

<li><a class="reference internal" href="#xmlschema" id="id6">XMLSchema</a></li>

<li><a class="reference internal" href="#id2" id="id7">Schematron</a></li>

<div class="section" id="validation-at-parse-time">

<h1>Validation at parse time</h1>

<div class="section" id="id1">

<h1>DTD</h1>

<div class="section" id="relaxng">

<h1>RelaxNG</h1>

<p>libxml2 does not currently support the <a class="reference external" href="http://www.thaiopensource.com/relaxng/trang.html">RelaxNG Compact Syntax</a>.

However, the <a class="reference external" href="http://www.thaiopensource.com/relaxng/trang.html">trang</a> translator can convert the compact syntax to the

<div class="section" id="xmlschema">

<h1>XMLSchema</h1>

<div class="section" id="id2">

<h1>Schematron</h1>

<p>Since version 2.0, lxml.etree features <a class="reference external" href="http://www.ascc.net/xml/schematron">Schematron</a> support, using the

Generated on: 2009-06-21.