GNU bug report logs - #18928
24.4; viper-save-setting produces invalid configuration file

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From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Keshav Kini <keshav.kini <at> gmail.com>
Cc: 18928 <at> debbugs.gnu.org
Subject: bug#18928: 24.4; viper-save-setting produces invalid configuration file
Date: Fri, 04 Dec 2020 11:48:34 +0100

Keshav Kini <keshav.kini <at> gmail.com> writes:

> Steps to reproduce:
>
> 1) Run `emacs -Q`.
> 2) Execute the following elisp in the scratch buffer:
>
> (require 'viper-util)
> (setq x 3)
> (viper-save-setting 'x nil "/tmp/.viper")
> (setq x 4)
> (viper-save-setting 'x nil "/tmp/.viper")
>
> Expected result:
>
> /tmp/.viper should contain "(setq x '4)"
>
> Actual result:
>
> /tmp/.viper contains "(setq x  '4 '3)"

(This bug report unfortunately got no response at the time.)

Thanks for the clear recipe.  I've now fixed this particular error in
Emacs 28, but as you point out, this really should be fixed in a
different way -- using Customize would be ideal, but there's always
backwards compatibility issues. 

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

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