[plt-scheme] Example from "The Scheme Programming Language" fails

Ed Cavazos wrote:

>If I copy and paste the example into DrScheme with the MzScheme language, and 
>evaluate:
>
>	(define-structure foo a b c)
>
>I get an error. (I won't include the error here since it really only makes 
>sense when when shown the the DrScheme REPL).
>
What about the code for the example then :-)

-- 
Jens Axel Søgaard