[racket] syntax, differently

Mathew Kurian:

> However, in the case of universe/world teachpacks, where the use of
> states is a vital component, a set of code can get very long,
> especially if the program is very complex and contains multiple
> structures (in some cases structures inside structures inside
> structures) within the states.

I agree with the critique of lengthy expressions involving nested 
records (structs).

Here's how I deal with it:

     http://gist.github.com/364754

The particular solution is for R6RS but PLT has the necessary mechanisms 
for it.

Ed