code: public void comment(char ch[], int start, int length)
            throws org.xml.sax.SAXException
    {
  
      flushPending();
      if (m_tracer != null)
          super.fireCommentEvent(ch, start, length);
    }
docs: Report an XML comment anywhere in the document.
  
  This callback will be used for comments inside or outside the
  document element, including comments in the external DTD
  subset (if read).
  
  @param ch An array holding the characters in the comment.
  @param start The starting position in the array.
  @param length The number of characters to use from the array.
  @throws org.xml.sax.SAXException The application may raise an exception.