question: public void warn ( XPathContext xctxt , String msg , Object args [ ] ) throws javax . xml . transform . TransformerException { String formattedMsg = XSLMessages . createWarning ( msg , args ) ; ErrorListener errHandler = xctxt . getErrorListener ( ) ; errHandler . warning ( new TransformerException ( formattedMsg , ( SAXSourceLocator ) xctxt . getSAXLocator ( ) ) ) ; }
target:  Warn the user of a problem.