GNU bug report logs - #63949
30.0.50; `vc-print-log´ does not erase buffer when called from *vc-change-log* buffer, at least for CVS logs

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From: Eli Zaretskii <eliz <at> gnu.org>
To: Jens Schmidt <jschmidt4gnu <at> vodafonemail.de>
Cc: 63949 <at> debbugs.gnu.org, manuel <at> ledu-giraud.fr
Subject: bug#63949: 30.0.50; `vc-print-log´ does not erase buffer when called from *vc-change-log* buffer, at least for CVS logs
Date: Sat, 10 Jun 2023 09:01:37 +0300

> Date: Fri, 9 Jun 2023 22:27:37 +0200
> Cc: manuel <at> ledu-giraud.fr, 63949 <at> debbugs.gnu.org
> From: Jens Schmidt <jschmidt4gnu <at> vodafonemail.de>
> 
> emacs -Q (from emacs-29)
> <visit git-controlled file, say README>
> 
> ;; current buffer equals README
> C-x v l
> ;; current buffer equals *vc-change-log*
> C-h v vc-parent-buffer
> => #<buffer README>
> 
> ;; current buffer equals *vc-change-log*
> C-x v l
> C-h v vc-parent-buffer
> => #<buffer *vc-change-log*>
> 
> ;; current buffer equals *vc-change-log*
> C-x v l
> ;; git log of whole repository is displayed, not of README

Thanks for the explanations.

> Not all VC commands expose this problem.

Why do you think it's a problem?  I can justify this behavior, at
least in some use cases.

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