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bug#45319: 28.0.50; Redisplay: `forward-char' moves backwards into invis
From: |
Eli Zaretskii |
Subject: |
bug#45319: 28.0.50; Redisplay: `forward-char' moves backwards into invisible text |
Date: |
Sat, 19 Dec 2020 11:10:48 +0200 |
> From: Michael Heerdegen <michael_heerdegen@web.de>
> Date: Sat, 19 Dec 2020 07:10:53 +0100
> Cc: Jonas Bernoulli <jonas@bernoul.li>
>
> (defvar my-magit-log-show-only-hash-lines-mode-keywords
> `((,(rx (and bol space (* any) eol))
> (0 (let ((beg (match-beginning 0))
> (end (1+ (match-end 0))))
> (add-text-properties beg end
> (list 'invisible
> 'my-magit-log-show-only-hash-lines))
> nil)))))
>
> (define-minor-mode my-magit-log-show-only-hash-lines-mode
> "..." nil nil nil
> (if (not my-magit-log-show-only-hash-lines-mode)
> (remove-from-invisibility-spec 'my-magit-log-show-only-hash-lines)
> (font-lock-add-keywords nil
> my-magit-log-show-only-hash-lines-mode-keywords)
> (add-to-invisibility-spec 'my-magit-log-show-only-hash-lines)))
>
> Now enable that mode in the buffer and M-x font-lock-fontify-buffer.
>
> When I now move around in the buffer with the arrow keys, it often
> happens that when point is at the beginning of a visible line, and I hit
> <right>, the echo area shows that point actually has moved backwards into
> the invisible area somewhere before that line, but the cursor is placed
> at the expected position. Further movement behaves as expected from the
> drawn cursor position, just the value of `point' sometimes is
> inconsistent, and that can cause trouble (like incorrect section
> highlighting in the Magit Log buffer).
Does setting global-disable-point-adjustment non-nil and repeating
your experiment explain what happens?
It isn't a redisplay problem.
- bug#45319: 28.0.50; Redisplay: `forward-char' moves backwards into invisible text, Michael Heerdegen, 2020/12/19
- bug#45319: 28.0.50; Redisplay: `forward-char' moves backwards into invisible text,
Eli Zaretskii <=
- bug#45319: 28.0.50; Redisplay: `forward-char' moves backwards into invisible text, Michael Heerdegen, 2020/12/19
- bug#45319: 28.0.50; Redisplay: `forward-char' moves backwards into invisible text, Eli Zaretskii, 2020/12/19
- bug#45319: 28.0.50; Redisplay: `forward-char' moves backwards into invisible text, Michael Heerdegen, 2020/12/19
- bug#45319: 28.0.50; Redisplay: `forward-char' moves backwards into invisible text, Eli Zaretskii, 2020/12/19
- bug#45319: 28.0.50; Redisplay: `forward-char' moves backwards into invisible text, Michael Heerdegen, 2020/12/19
- bug#45319: 28.0.50; Redisplay: `forward-char' moves backwards into invisible text, Eli Zaretskii, 2020/12/19
- bug#45319: 28.0.50; Redisplay: `forward-char' moves backwards into invisible text, Michael Heerdegen, 2020/12/19
- bug#45319: 28.0.50; Redisplay: `forward-char' moves backwards into invisible text, Michael Heerdegen, 2020/12/19
- bug#45319: 28.0.50; Redisplay: `forward-char' moves backwards into invisible text, Michael Heerdegen, 2020/12/20
- bug#45319: 28.0.50; Redisplay: `forward-char' moves backwards into invisible text, Eli Zaretskii, 2020/12/20