_SCHEMAS_ELEM_NSDEFAULT</pre><p>allow elements in no namespace Obsolete, not used anymore.</p>
<h3><a name="XML_SCHEMAS_ELEM_REF" id="XML_SCHEMAS_ELEM_REF"></a>Macro: XML_SCHEMAS_ELEM_REF</h3><pre>#define XML_SCHEMAS_ELEM_REF</pre><p>the element is a <a href="libxml-SAX.html#reference">reference</a> to a type</p>
<h3><a name="XML_SCHEMAS_ELEM_SUBST_GROUP_HEAD" id="XML_SCHEMAS_ELEM_SUBST_GROUP_HEAD"></a>Macro: XML_SCHEMAS_ELEM_SUBST_GROUP_HEAD</h3><pre>#define XML_SCHEMAS_ELEM_SUBST_GROUP_HEAD</pre><p>the 