GNU bug report logs - #78479
31.0.50; Passing a list to a customization string variable for Emacs >= 31 in project.el

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Message #8 received at 78479 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: "M. Page-Lieberman" <mateus.justino <at> gmail.com>,
 Dmitry Gutov <dmitry <at> gutov.dev>
Cc: 78479 <at> debbugs.gnu.org
Subject: Re: bug#78479: 31.0.50;
 Passing a list to a customization string variable for Emacs >= 31 in
 project.el
Date: Thu, 22 May 2025 14:34:48 +0300

> From: "M. Page-Lieberman" <mateus.justino <at> gmail.com>
> Date: Sun, 18 May 2025 09:21:57 -0400
> 
> I get the following warning message when starting up Emacs when
> attempting to install Geiser (via straight.el, ie. /(straight-use-package
> 'geiser)/ in my init file):
> 
> """
> ⛔ Warning (initialization): An error occurred while loading ‘/Users/jotaemei/.emacs.d/init.el’:
> 
> Wrong type argument: stringp, (projects.eld projects)
> 
> To ensure normal operation, you should investigate and remove the cause
> of the error in your initialization file.  Start Emacs with the
> ‘--debug-init’ option to view a complete error backtrace.
> """
> 
> The installation of Guile grabs project.el, which in turn defines the
> following definition for a customization on line 1852:
> 
> """
> (defcustom project-list-file
>   (locate-user-emacs-file (if (>= emacs-major-version 31)
>                               '("projects.eld" "projects")
>                             "projects"))
>   "File in which to save the list of known projects."
>   :type 'file
>   :version "31.1"
>   :group 'project)
> """
> 
> I /do/ have an Emacs major version of 31, which is for emacs-plus.
> 
> When I pull up the customization via /customize-variable/, I see for the
> value of project-list-file: """UNKNOWN, you should not see this."""
> 
> Notably, no such projects.eld file nor directory exists in the file system.
> For the time being, I'll just edit that defcustom to remove it.
> 
> In GNU Emacs 31.0.50 (build 1, x86_64-apple-darwin24.3.0, NS
>  appkit-2575.40 Version 15.3.1 (Build 24D70)) of 2025-03-08 built on
>  MacBookPro
> Windowing system distributor 'Apple', version 10.3.2575
> System Description:  macOS 15.4.1

Dmitry, any comments or suggestions?

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