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From: Eli Zaretskii <eliz@gnu.org>
To: Andrew Hyatt <ahyatt@gmail.com>
Cc: 53294@debbugs.gnu.org, monnier@iro.umontreal.ca
Subject: bug#53294: 29.0.50; Indirect font changes incorrectly affecting original buffer
Date: Sun, 16 Jan 2022 17:41:53 +0200	[thread overview]
Message-ID: <83ilujy9fi.fsf@gnu.org> (raw)
In-Reply-To: <m2pmorbsyf.fsf@andrews-mbp.lan> (message from Andrew Hyatt on Sun, 16 Jan 2022 10:28:40 -0500)

> From: Andrew Hyatt <ahyatt@gmail.com>
> Cc: 53294@debbugs.gnu.org
> Date: Sun, 16 Jan 2022 10:28:40 -0500
> 
> > But "inheriting" the state means the indirect buffer gets the 
> > copy of the variables of the original buffer, and that is not a 
> > deep copy, AFAIU. 
> > 
> > Stefan, any comments on this issue? 
> 
> Sorry, I may have been unclear. I'm not disagreeing - what you 
> just said is correct. But, because of that, it's a bug for code to 
> make an indirect buffer, then perform operations on it via setcdr 
> or setf like things, which then will affect the original buffer's 
> variables.

I'm not sure it's a bug.  It could be a "feature", not limited to
face-remapping-alist, but instead affecting every buffer-local
variable that is not a simple scalar.





  reply	other threads:[~2022-01-16 15:41 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-01-16  5:13 bug#53294: 29.0.50; Indirect font changes incorrectly affecting original buffer Andrew Hyatt
2022-01-16  9:22 ` Eli Zaretskii
2022-01-16 14:43   ` Andrew Hyatt
2022-01-16 15:00     ` Eli Zaretskii
2022-01-16 15:28       ` Andrew Hyatt
2022-01-16 15:41         ` Eli Zaretskii [this message]
2022-01-16 17:11           ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-01-16 18:16             ` Eli Zaretskii
2022-01-16 21:41               ` Andrew Hyatt
2022-01-17 21:47               ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-01-18  2:24                 ` Andrew Hyatt
2022-01-18  2:47                   ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-01-19  2:37                     ` Andrew Hyatt
2022-01-19  3:42                       ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-01-20 13:42                         ` Lars Ingebrigtsen
2022-02-16 17:41 ` Anders Johansson
2022-02-17 11:41   ` Lars Ingebrigtsen
2022-02-17 13:38   ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors

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