[plt-scheme] printing shared structures

From: Prabhakar Ragde (plragde at uwaterloo.ca)
Date: Tue Jan 29 12:10:21 EST 2008

While we are on the subject, if I have two structures, each of which 
involves sharing but no cycles, and I evaluate (print-graph #t) and then 
print them, will they print identically iff they are equal? in the R6RS 
sense? --PR

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