code: String
  rrToString() {
  	StringBuffer sb = new StringBuffer();
  	Iterator it = strings.iterator();
  	while (it.hasNext()) {
  		byte [] array = (byte []) it.next();
  		sb.append(byteArrayToString(array, true));
  		if (it.hasNext())
  			sb.append(" ");
  	}
  	return sb.toString();
  }
docs: converts to a String