ML_VALID_ENABLED</a>;
</pre><p>Whether the DTD validation support is configured in</p>
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        <hr/>
        <div class="refsect2" lang="en"><h3><a name="LIBXML_VERSION">Macro </a>LIBXML_VERSION</h3><pre class="programlisting">#define <a href="#LIBXML_VERSION">LIBXML_VERSION</a>;
</pre><p>the version number: 1.2.3 value is 10203</p>
</div>
        <hr/>
        <div class="refsect2" lang="en"><h3><a name="LIBXML_VERSION_EXTRA">Macro </a>LIBXML_VERSION_EXTRA</h3><pre class="programlisting">#de