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Re: MCL bug??
- To: info-mcl@cambridge.apple.com, mick@ee.su.oz.au
- Subject: Re: MCL bug??
- From: Ranson <ranson@LANNION.cnet.fr>
- Date: Thu, 14 Oct 1993 06:57:00 +0000
- X400-content-type: P2-1984 (2)
- X400-mts-identifier: [/PRMD=CNET/ADMD=ATLAS/C=FR/;750596271@x400.lannion.cnet.fr]
- X400-originator: ranson@LANNION.cnet.fr
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You're modifying a quoted constant '(nil nil), definitely something to be
avoided in Common Lisp. Also, you're confusing the scope of the variable list1
and its value (nil nil).
In such cases, build a new value each time : instead of '(nil nil), use
(list nil nil).
Daniel.