change deref-copy to deref-exp

quek / paiprolog

forked Christophe Rhodes's PAIProlog that an update of Peter Norvig's "Prolog in Common Lisp".

Other

18 stars 6 forks source link

change deref-copy to deref-exp #8

Closed kg6y-ucd closed 8 years ago

kg6y-ucd commented 8 years ago

BTW, an improved version of DEREF-COPY is presented in the answer to PAIP's exercise 12.13, and SETOF has no erroneous behavior with it. I think that there may be a bug in deref-copy.

quek commented 8 years ago

Thank you.