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bug#23871: 25.1.50; Undo unexpectedly leads to blank buffer
From: |
Phillip Lord |
Subject: |
bug#23871: 25.1.50; Undo unexpectedly leads to blank buffer |
Date: |
Sun, 03 Jul 2016 21:37:53 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/25.0.95 (gnu/linux) |
Eli Zaretskii <eliz@gnu.org> writes:
>> 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.
I think we have two bugs (one which covers the other). Handling of point
after an insertion. This was hiding another, which is handling of point
as the first change in a buffer. Although the last one was being hidden,
I think this would also affect deletes.
> 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.
Yeah, I'd really like Stefan to look over it also. Or, alternatively,
would could wait a week till I have had chance to finish reading the
"How to Program C" book I just bought.
Phil
- bug#23871: 25.1.50; Undo unexpectedly leads to blank buffer, (continued)
- 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, 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, 2016/07/03
- bug#23871: 25.1.50; Undo unexpectedly leads to blank buffer,
Phillip Lord <=
- 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
- bug#23871: 25.1.50; Undo unexpectedly leads to blank buffer, Stefan Monnier, 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, Phillip Lord, 2016/07/05