m_errorHandler.error(new SAXParseException(msg, null, id, lineNo, charOffset));
this.error(new SAXParseException(msg, null, id, lineNo, charOffset));
  public boolean problem(short where, short classification,                        Object styleNode, Node sourceNode,                       String msg, String id, int lineNo, int charOffset)  throws org.xml.sax.SAXException     {    if (m_problemListener != null)      m_problemListener.problem(where, classification, styleNode, sourceNode, msg, id, lineNo, charOffset);    else      m_errorHandler.error(new SAXParseException(msg, null, id, lineNo, charOffset));    return false;     }  