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From: Stefan Monnier <monnier@iro.umontreal.ca>
Newsgroups: gmane.emacs.devel
Subject: Re: Please install this for me.
Date: Sun, 24 Feb 2019 11:12:40 -0500
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> -			(if tem (cdr tem)
> +			(if tem (append (cdr tem) nil)

I think `copy-sequence` be preferable because more explicit.


        Stefan