[racket] keyboard input from user

universe uses strings instead of symbols, now.

Try (key=? x "up"), etc.

Also, you'll need to be in Advanced language for print (or whatever
print is in Advanced Language), I think.

Todd

On Sun, Oct 3, 2010 at 9:26 PM, Shriram Krishnamurthi <sk at cs.brown.edu> wrote:
> Are you using big-bang?
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