Op 30-3-2012 9:46, Pierpaolo Bernardi schreef:
Hello Roelof,On Fri, Mar 30, 2012 at 09:32, Roelof Wobben<r.wob...@home.nl> wrote:(define (show-ufo ufo) (place-image BLU (ufo-loc u) MTS)) But still I can't get the show-ufo work.Check carefully the name of your variables! Doesn't DrRacket give you an explicative error message in this case? P.
Oke, I will do that. Yes, The error that variable u is not known. Roelof ____________________ Racket Users list: http://lists.racket-lang.org/users
