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From: Michael Heerdegen via Users list for the GNU Emacs text editor <help-gnu-emacs@gnu.org>
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Subject: Re: Auto add register when leaving buffer?
Date: Tue, 05 Nov 2024 12:43:29 +0100
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Marc Coquand <marc@mccd.space> writes:

> 		(add-hook 'window-buffer-change-functions
> 			  (lambda ()
> 			    (interactive)
> 			      (point-to-register ?c)) 0 't))))

Maybe the docstring of `window-buffer-change-functions' could give you
some hint?


Michael.