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NLEFT
- To: LISP
- Subject: NLEFT
- From: TEITELMAN
- Date: Mon, 14 Jan 1980 22:07:41 -8000
- Date: 14 JAN 1980 2207-PST
- Cc: MASINTER, LEWIS at BBND
(NLEFT L N TAIL) where TAIL is non-NIL and NOT a tail
of L will now generate an error. this was thesouce
of a nasty bug in reset logic. i feel if user specifies
TAIL, means he expects it to be a tail of L. if
he isnt sure, should say (TAILP TAIL L),
new macros with blklibarydef for nleft
warren
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