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. ____________________ Racket Users list: http://lists.racket-lang.org/users