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bug#23871: 25.1.50; Undo unexpectedly leads to blank buffer
From: |
Eli Zaretskii |
Subject: |
bug#23871: 25.1.50; Undo unexpectedly leads to blank buffer |
Date: |
Sun, 03 Jul 2016 18:12:40 +0300 |
merge 1095 21722
thanks
> From: Markus Triska <triska@metalevel.at>
> Cc: Eli Zaretskii <eliz@gnu.org>, 23871@debbugs.gnu.org
> Date: Sun, 03 Jul 2016 12:08:01 +0200
>
> Please note that #23871 is the main problem for me and has been present
> in Emacs for about a decade. The other issues I filed are only my
> attempts to make the issue more easily reproducible, and may in fact
> even be unrelated issues that I find while trying to find the root cause
> of #23871. I first filed #1095, then adapted this to #21722, and now
> also filed #23871 because redisplay may also be involved.
AFAICS, 1095 and 21722 report exactly the same problem; 21722 should
have never been opened as a separate bug. So I just merged them
together.
> I have tolerated the problems described in #1095 and #21722 for about a
> decade and see no reason to delay Emacs 25: Neither Emacs 23 nor 24 were
> delayed because of them although these issues were already reported!
> #23871 was also present during this time but not yet reported.
That may be so, but my problem, which _is_ a regression from 24.5, is
that even this part of 1095:
In "emacs -Q", when I insert into *scratch* the form:
(progn (end-of-line) (insert "\nhi"))
then place point on the "g" and press C-M-x C-/, then the insertion is
undone, and point remains on the "g", as expected.
doesn't work as expected in Emacs 25. This is a regression I'd like
to fix before 25.1 is released.
And this part of 1095/21722 _is_ solved by Phillip's patch, so I think
we should install it on the release branch. However, I'd like Stefan
to look over the patch before we install it.
- bug#23871: 25.1.50; Undo unexpectedly leads to blank buffer, (continued)
- bug#23871: 25.1.50; Undo unexpectedly leads to blank buffer, Phillip Lord, 2016/07/03
- bug#23871: 25.1.50; Undo unexpectedly leads to blank buffer, Markus Triska, 2016/07/03
- bug#23871: 25.1.50; Undo unexpectedly leads to blank buffer, Phillip Lord, 2016/07/03
- bug#23871: 25.1.50; Undo unexpectedly leads to blank buffer, Markus Triska, 2016/07/03
- bug#23871: 25.1.50; Undo unexpectedly leads to blank buffer, Eli Zaretskii, 2016/07/04
- bug#23871: 25.1.50; Undo unexpectedly leads to blank buffer, Eli Zaretskii, 2016/07/05
- bug#23871: 25.1.50; Undo unexpectedly leads to blank buffer, Phillip Lord, 2016/07/05
- bug#23871: 25.1.50; Undo unexpectedly leads to blank buffer, Markus Triska, 2016/07/05
- bug#23871: 25.1.50; Undo unexpectedly leads to blank buffer, Markus Triska, 2016/07/05
- bug#23871: 25.1.50; Undo unexpectedly leads to blank buffer, Eli Zaretskii, 2016/07/05
- bug#23871: 25.1.50; Undo unexpectedly leads to blank buffer,
Eli Zaretskii <=
- bug#23871: 25.1.50; Undo unexpectedly leads to blank buffer, Markus Triska, 2016/07/03
- bug#23871: 25.1.50; Undo unexpectedly leads to blank buffer, Eli Zaretskii, 2016/07/03
- bug#23871: 25.1.50; Undo unexpectedly leads to blank buffer, Phillip Lord, 2016/07/03
- bug#23871: 25.1.50; Undo unexpectedly leads to blank buffer, Eli Zaretskii, 2016/07/02
- bug#23871: 25.1.50; Undo unexpectedly leads to blank buffer, Phillip Lord, 2016/07/03
- bug#23871: 25.1.50; Undo unexpectedly leads to blank buffer, Stefan Monnier, 2016/07/03
- bug#23871: 25.1.50; Undo unexpectedly leads to blank buffer, Phillip Lord, 2016/07/04
- bug#23871: 25.1.50; Undo unexpectedly leads to blank buffer, Stefan Monnier, 2016/07/04
- bug#23871: 25.1.50; Undo unexpectedly leads to blank buffer, Phillip Lord, 2016/07/05
- bug#23871: 25.1.50; Undo unexpectedly leads to blank buffer, Markus Triska, 2016/07/05