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From: Eli Zaretskii <eliz@gnu.org>
Newsgroups: gmane.emacs.help
Subject: Re: Removing line and column number settings from some buffers
Date: Fri, 04 Dec 2020 10:40:06 +0200
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In-Reply-To: <X8nS2L5FXp60EQGq@protected.rcdrun.com> (message from Jean Louis
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> Date: Fri, 4 Dec 2020 09:10:32 +0300
> From: Jean Louis <bugs@gnu.support>
> Cc: Michael Heerdegen <michael_heerdegen@web.de>, daniela-spit@gmx.it,
>  help-gnu-emacs@gnu.org
> 
> For session based storage, you may use the Emacs built-in library
> `ring' as it has cycling features, you store anything in ring variable
> and you can take it back and cycle through it.

My suggestion is to use desktop.el for preserving state between
sessions.  It has a customizable option to add variables to save and
restore.