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