Implement the XInclude substitution on the XML document @doc</p>
<div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>doc</tt></i>:</span></td><td>an XML document</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>0 if no substitution were done, -1 if some processing failed or the number of substitutions done.</td></tr></tbody></table></div><h3><a name="xmlXIncludeProcessFlags" id="xmlXIncludeProcessFlags"></a>Function: xmlXInclude