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bug#60066: 30.0.50; whitespace-mode modifies buffer
From: |
Bastian Beranek |
Subject: |
bug#60066: 30.0.50; whitespace-mode modifies buffer |
Date: |
Wed, 14 Dec 2022 17:53:54 +0100 |
On Wed, Dec 14, 2022 at 5:15 PM Eli Zaretskii <eliz@gnu.org> wrote:
>
> > From: Bastian Beranek <bastian.beischer@gmail.com>
> > Date: Wed, 14 Dec 2022 15:26:03 +0100
> >
> >
> > I have
> >
> > (add-hook 'c-mode-common-hook 'whitespace-mode)
> >
> > in my .emacs and I am using emacs master (which includes
> > whitespace.el). When opening a source file in my project the buffer
> > immediately is marked as modified and emacs will ask to save the buffer
> > when trying to kill it.
> >
> > I was able to trace this back to the above line in my .emacs. If I don't
> > enable whitespace-mode in the hook the buffer is not marked as modified
> > when opening the .C file.
> >
> > With my configuration I would not expect whitespace-mode to make any
> > changes to the buffer.
> >
> > I went back to whitespace.el from commit
> >
> > 29eb4596956a74a83ceb4c17835886a23ea0dd20
> >
> > and the problem is fixed. So I assume it is a recent regression in
> > whitespace.el.
>
> Richard, could you please look into this? It sounds like your recent
> changes to whitespace.el could be the culprit for this regression. I
> guess something like with-silent-modifications is missing somewhere?
It might be worth pointing out that there are no actual differences
between the buffer and its on-disk counterpart, but still emacs
considers the buffer to be modified, as if a change was made and
reverted (but not through undo).
- bug#60066: 30.0.50; whitespace-mode modifies buffer, Bastian Beranek, 2022/12/14
- bug#60066: 30.0.50; whitespace-mode modifies buffer, Eli Zaretskii, 2022/12/14
- bug#60066: 30.0.50; whitespace-mode modifies buffer,
Bastian Beranek <=
- bug#60066: 30.0.50; whitespace-mode modifies buffer, Eli Zaretskii, 2022/12/14
- bug#60066: 30.0.50; whitespace-mode modifies buffer, Michael Heerdegen, 2022/12/14
- bug#60066: 30.0.50; whitespace-mode modifies buffer, Richard Hansen, 2022/12/18
- bug#60066: 30.0.50; whitespace-mode modifies buffer, Bastian Beranek, 2022/12/19
- bug#60066: 30.0.50; whitespace-mode modifies buffer, Eli Zaretskii, 2022/12/19
- bug#60066: 30.0.50; whitespace-mode modifies buffer, Eli Zaretskii, 2022/12/19