@Override
    public void comment(char[] ch, int start, int length) throws SAXException {
        first.comment(ch, start, length);
        second.comment(ch, start, length);
    }
@param ch
@param start
@param length
@throws SAXException
@see org.xml.sax.ext.LexicalHandler#comment(char[], int, int)
src/nu/validator/xml/CombineLexicalHandler.java