GNU bug report logs - #64960
Documentation for copy-sequence

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Package: emacs;

Reported by: uzibalqa <uzibalqa <at> proton.me>

Date: Sun, 30 Jul 2023 16:43:01 UTC

Severity: minor

Fixed in version 29.2

Done: Stefan Kangas <stefankangas <at> gmail.com>

Bug is archived. No further changes may be made.

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Message #14 received at 64960 <at> debbugs.gnu.org (full text, mbox):

From: Dmitry Gutov <dmitry <at> gutov.dev>
To: uzibalqa <uzibalqa <at> proton.me>, Eli Zaretskii <eliz <at> gnu.org>
Cc: 64960 <at> debbugs.gnu.org
Subject: Re: bug#64960: Documentation for copy-sequence
Date: Sun, 30 Jul 2023 22:59:16 +0300

On 30/07/2023 22:20, uzibalqa via Bug reports for GNU Emacs, the Swiss 
army knife of text editors wrote:
> So it returns a copy but elements are not copied.  So what happens exactly ?
> You get a reference to the original ?  When I modify the copy, the original
> remains intact.

The list (if the sequence is a list) is new (from newly allocated cons 
cells), but the values inside (in cars of those conses) are shared with 
the original list.
This bug report was last modified 1 year and 248 days ago.

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