[plt-dev] ParenQuest

2009/3/16 Jay McCarthy <jay.mccarthy at gmail.com>:
> You might enjoy playing ParenQuest for a few moments.
>
> wget faculty.cs.byu.edu/~jay/tmp/rl.tar.gz
> tar xzvf rl.tar.gz
> mred -t rl/ui-world.ss
>
> Use the numpad or the arrow keys or VI keys to move around.
> Press "," to pick up a parenthesis
> (Make sure you don't misbalance or pick up the wrong color at the wrong time)
>
> Look for an error message on the console if you win/lose

I got an error message instead of a game =(. What version does it run on?

henk at korhal ~/tmp $ mred -t rl/ui-world.ss
rl/text-world/text-world-sig.ss:10:4: define-signature: unknown
signature form at: contracted in: (define-signature text-world^
((contracted (scene? (-> any/c boolean?)) (empty-scene (->
exact-positive-integer? exact-positive-integer? scene?)) (image? (->
any/c boolean?)) (place-image (-> image? exact-nonnegative-integer?
exact-nonnegative-integer? ...

 === context ===
try-next
/usr/lib/plt/collects/scheme/private/modbeg.ss:44:4

    Henk