On Mar 19, 2012, at 3:10 PM, Roelof Wobben wrote: > But the contents of color does not change so I get a error message. > What is the racket way to change the value of a string.
That's not the problem. It's your error message, so you should be able to figure out why it's happening. It has nothing to do with subtleties of the world teachpack; it's a simple bug in your code, related to your switching between English and Dutch words. Stephen Bloch sbl...@adelphi.edu ____________________ Racket Users list: http://lists.racket-lang.org/users
