GNU bug report logs - #76242
[PATCH] Clarify that mapconcat's FUNCTION can return nil

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Message #25 received at 76242 <at> debbugs.gnu.org (full text, mbox):

From: Stefan Kangas <stefankangas <at> gmail.com>
To: Eli Zaretskii <eliz <at> gnu.org>, Michael Heerdegen <michael_heerdegen <at> web.de>
Cc: 76242 <at> debbugs.gnu.org, hong <at> topbug.net
Subject: Re: bug#76242: [PATCH] Clarify that mapconcat's FUNCTION can return
 nil
Date: Thu, 13 Feb 2025 00:29:27 -0800

Eli Zaretskii <eliz <at> gnu.org> writes:

> How about the below instead:
>
>   FUNCTION must be a function of one argument, and must return a value
>     that is a sequence of characters: either a string, or a vector or
>     list of numbers that are valid character codepoints; nil is treated
>     as an empty string.

LGTM.

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