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From: Stefan Monnier <monnier@iro.umontreal.ca>
Newsgroups: gmane.emacs.help
Subject: Re: beginnerquestion (nconc)
Date: Fri, 17 Mar 2017 22:15:51 -0400
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> (setq sequence (nreverse sequence))

In many cases, the (nreverse sequence) is actually returned or used in
so me function call, so there's no need to `setq' it.


        Stefan