code: public void comment(char ch[], int start, int length) throws SAXException
    {
  
      if (DEBUG)
        System.out.println("TransformerHandlerImpl#comment: " + start + ", "
                           + length);
  
      if (null != m_lexicalHandler)
      {
        m_lexicalHandler.comment(ch, start, length);
      }
    }
docs: Report an XML comment anywhere in the document.
  
  <p>This callback will be used for comments inside or outside the
  document element, including comments in the external DTD
  subset (if read).</p>
  
  @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 SAXException The application may raise an exception.