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&optional losage

    Date: 18 Aug 1981 1622-EDT
    From: Neal Feinberg <FEINBERG at CMU-20C>
     (setq y 0)
     (defun foo (&optional (y y)) y)
    then (foo) => () in Maclisp 2117.  I suspect it should evaluate to 0
This was already fixed here in the DEFMACRO file -- I suspect your
version of DEFMACRO is out-of-date, so why not just FTP over the more
recent copy (current version is 165).