[ num ] sp capword sp caplet . sp capword sp capword sp othword sp othword sp othword sp capword sp capword sp [ capword ] . sp capword , sp capword : capword sp capword sp othword sp capword , sp capword sp othword sp capword sp capword sp othword sp capword ; sp year . capword sp othword : sp othword : / / othword . othword . othword . othword . othword / othword / othword / othword / othword year . othword .