question: public void warn ( XPathContext xctxt , String msg , Object [ ] args ) throws javax . xml . transform . TransformerException { java . lang . String fmsg = XSLMessages . createXPATHWarning ( msg , args ) ; if ( null != xctxt ) { ErrorListener eh = xctxt . getErrorListener ( ) ; eh . warning ( new TransformerException ( fmsg , xctxt . getSAXLocator ( ) ) ) ; } }
target:  Warn the user of an problem.