S> HackerS (and the interactive computer gameS they write) traditionally favour thiSSlightly marked uSage over other poSSible equivalentSSuch aS "There' S no X here!" or "X iS miSSing." or "Where' S the X?". ThiS goeS back to the original PDP-10 ADVENT, which would reSpond in thiS wiSe if you aSked it to do Something involving an object not preSent at your location in the game. [Jargon File]
