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