rem: "The requested URL was not found.");
add: "The requested URL was not found on this server.");
context: Ns_ConnReturnNotFound(Ns_Conn *conn){    int result;    if (ReturnRedirect(conn, 404, &result)) {	return result;    }    return Ns_ReturnNotice(conn, 404, "Not Found",			   "The requested URL was not found.");}