[plt-scheme] top-level?

From: jos koot (jos.koot at tiscali.nl)
Date: Fri Aug 26 08:21:45 EDT 2005

Hi,
I look for a simple way for a syntax to see whether or not it is used at 
top-level? Can anyone help? Thanks in advance.
Jos Koot
((((lambda(x)((((((x x)x)x)x)x)x))
   (lambda(x)(lambda(y)(x(x y)))))
  (lambda(x)(write x)x))
 "greetings, Jos") 



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