body><tr><td><span class="term"><i><tt>expr</tt></i>:</span></td><td>a compiled expression</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the maximum length or -1 in case of error</td></tr></tbody></table></div><h3><a name="xmlExpNewAtom" id="xmlExpNewAtom"></a>Function: xmlExpNewAtom</h3><pre class="programlisting"><a href="libxml-xmlregexp.html#xmlExpNodePtr">xmlExpNodePtr</a>	xmlExpNewAtom		(<a href="libxml-xmlregexp.html#xmlExpCtxtPtr">xmlExpCtxtPtr</a> ctxt, <br />					 con