code: public void comment(char ch[], int start, int length)
  			throws SAXException {
  		append(m_doc.createComment(new String(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.