code: public void startElement(String uri, String localName, String qName)
          throws SAXException {
              
          if (m_state != null) {
              m_state.resetState(getTransformer());
          }
  
          // fire off the start element event
          if (m_tracer != null)
              super.fireStartElem(qName);         
      }
docs: Receives notification that an element starts, but attributes are not
  fully known yet.
  
  @param uri the URI of the namespace of the element (optional)
  @param localName the element name, but without prefix (optional)
  @param qName the element name, with prefix, if any (required)
  
  @see ExtendedContentHandler#startElement(String, String, String)