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exitlist in new-style DO



I know the manual documents it this way (p. 2-40), but I think this
guy has a good point.  Justifications, anyone?

- - - - Begin forwarded message - - - -
Date: Sat, 21 Feb 81 20:40:00 GMT
Original-Date: 21 February 1981 1540-EST (Saturday)
From: Paul.Hilfinger at CMU-10A (C410PH01)
To: Dave.Touretzky at CMU-10A
Subject:  Deep philosophical question
Message-Id: <21Feb81 154012 PH01@CMU-10A>
Origin:  C410PH01 at CMU-10A; 21 Feb 1981 1541-EST

David,

Is there some deep underlying reason why in the expression

	(do ( ... ) (e1)  ... )

MacLisp does not treat e1 as thelast element in the EXITLIST and returns
(instead) NIL?  Grumble.

--Paul
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