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[no subject]

    Date: 29 AUG 1978 2034-EDT
    From: RWK,KGK at MIT-MC
    Sent-by: RWK at MIT-MC
    To: (BUG LISP) at MIT-MC
    CC: RWK at MIT-MC, KGK at MIT-MC

    (SETQ POLY-1 '(NIL NIL 5 . 6))
    (SETQ POLY-2 '(nil nil nil nil))

    Please fix to either work or give an error.
PDP-10 MacLISP simply does not pretend to check for atoms other than
NIL (sorry, ()) at the end of a list, because the atom test
is too expensive in important inner loops like APPEND.