xtFunction</A>&nbsp;extFunction,
                                     java.util.Vector&nbsp;args,
                                     <A HREF="../../../../org/apache/xalan/extensions/ExpressionContext.html">ExpressionContext</A>&nbsp;exprContext)
                              throws <A HREF="../../../../javax/xml/transform/TransformerException.html">TransformerException</A></PRE>
<DL>
<DD>Process a call to an XPath extension function<DD><DL>
<DT><B>Parameters:</B><DD><CODE>extFunction</CODE> - The XPath ex