code: public void comment(char[] ch, int start, int length)
      throws SAXException {
          if (lexicalHandler != null) {
              lexicalHandler.comment(ch, start, length);
          }
      }
docs: /*
  Filter a comment event.
  
  @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.
  @exception org.xml.sax.SAXException If a filter
  further down the chain raises an exception.
  @see org.xml.sax.ext.LexicalHandler#comment