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bug#23570: 25.1.50; Cursor motion error with visual-line-mode
From: |
Chong Yidong |
Subject: |
bug#23570: 25.1.50; Cursor motion error with visual-line-mode |
Date: |
Thu, 19 May 2016 10:58:42 +0800 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/25.1.50 (gnu/linux) |
Eli Zaretskii <eliz@gnu.org> writes:
> I cannot say I can reproduce this on my machine. I see something
> similar in Emacs 24.5, but not with the current master or release
> branch.
>
> I think what you see could be explained by changing the frame size by
> non-integer number of characters (i.e. by a number of pixels that is
> smaller than the canonical character width). But since I cannot come
> up with a reproducible recipe, I cannot debug this.
The recipe does not describe changing the frame size by non-integer
number of characters. I'm changing the frame (hence window) size by
dragging the frame border; the width changes by one character at a time.
To remove all ambiguity, here is another recipe using elisp:
1. emacs -Q
2. Insert the following:
(defun foo ()
(interactive)
(save-excursion
(dotimes (x 7)
(insert "123456789 "))
(insert "12 ABCDEFGHIJK MOPQ"))
(visual-line-mode)
(set-frame-parameter nil 'width 85))
3. M-x eval-buffer RET
4. M-x foo RET
5. C-e => cursor goes to the wrong place.
- bug#23570: 25.1.50; Cursor motion error with visual-line-mode, Chong Yidong, 2016/05/18
- bug#23570: 25.1.50; Cursor motion error with visual-line-mode, Eli Zaretskii, 2016/05/18
- bug#23570: 25.1.50; Cursor motion error with visual-line-mode,
Chong Yidong <=
- bug#23570: 25.1.50; Cursor motion error with visual-line-mode, Eli Zaretskii, 2016/05/19
- bug#23570: 25.1.50; Cursor motion error with visual-line-mode, martin rudalics, 2016/05/19
- bug#23570: 25.1.50; Cursor motion error with visual-line-mode, Eli Zaretskii, 2016/05/19
- bug#23570: 25.1.50; Cursor motion error with visual-line-mode, Eli Zaretskii, 2016/05/19
- bug#23570: 25.1.50; Cursor motion error with visual-line-mode, Chong Yidong, 2016/05/19
- bug#23570: 25.1.50; Cursor motion error with visual-line-mode, Eli Zaretskii, 2016/05/21
- bug#23570: 25.1.50; Cursor motion error with visual-line-mode, Chong Yidong, 2016/05/22
- bug#23570: 25.1.50; Cursor motion error with visual-line-mode, Eli Zaretskii, 2016/05/22
- bug#23570: 25.1.50; Cursor motion error with visual-line-mode, John Wiegley, 2016/05/23