From ...
From: Erik Naggum <erik@naggum.no>
Subject: Re: Looking for a LISP function or macro ...
Date: 1998/09/19
Message-ID: <3115209140656764@naggum.no>#1/1
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References: <6ttrts$qjk$1@nnrp1.dejanews.com> <VLwM1.3$45.6131@burlma1-snr1.gtei.net> <3115133657941919@naggum.no> <3603b7ee.2870367@judy>
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Newsgroups: comp.lang.lisp

* Reini Urban <rurban@sbox.tu-graz.ac.at>
| but collect-if is also a good name. i just watched myself reading my
| code with the unspoken words "keep if" so i named it like this. you,
| erik, explained it the same way :)

  hm.  I intended "keep" as a generalized term encompassing both "collect"
  and "retain", the point being that COLLECT would return a freshly consed
  list of elements collected from the argument list, while RETAIN would
  (destructively) delete the unwanted elements from the argument list.

#:Erik
-- 
  ATTENTION, all abducting aliens!  you DON'T need to RETURN them!