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bug#57728: 29.0.50; Emacs writes wrong glyph at the bottom-right corner
From: |
Eli Zaretskii |
Subject: |
bug#57728: 29.0.50; Emacs writes wrong glyph at the bottom-right corner of text terminals |
Date: |
Mon, 12 Sep 2022 14:58:26 +0300 |
> Date: Sun, 11 Sep 2022 20:35:47 +0000
> From: Gregory Heytings <gregory@heytings.org>
> cc: Akib Azmain Turja <akib@disroot.org>, 57728@debbugs.gnu.org
>
> 1. emacs -Q -nw
>
> 2a. if your terminal emulator has a light background: M-x load-theme RET
> modus-vivendi RET
>
> 2b. if your terminal emulator has a dark background: M-x load-theme RET
> modus-operandi RET
These do nothing in my case, but I don't think that's crucial.
> Observe at that point that the last character (the one at the bottom
> right) does not have the background color of the chosen theme. So far so
> good.
Doesn't happen here (and why "good"?).
> 3. M-: (define-key minibuffer-mode-map (kbd "C-t") (defun bug57728 ()
> (interactive) (dotimes (i 5000) (insert (+ (% (random) 26) ?a))))) RET
>
> 4. M-: C-t
>
> 5. Now hit C-p a few times, until you see the "\" continuation character
> appear on the last character (the one at the bottom right). This should
> not happen.
It does happen. Why do you think it shouldn't? Those are all
continued lines, so they should all end with a '\'.
However, if I now C-n enough times to have the mini-window scroll, I
see that lines scrolled into the view don't have the '\' continuation
glyph. _That_ shouldn't happen. So I finally have something to work
with, thanks.
Curiously, this doesn't happen in a normal window, only in the
mini-window. Hmm...
> (Note that the "\" continuation character disappears with C-l, after step
> 5 and after step 6.)
Yes, because C-l redraws TTY frames.
- bug#57728: 29.0.50; Emacs writes wrong glyph at the bottom-right corner of text terminals, (continued)
- bug#57728: 29.0.50; Emacs writes wrong glyph at the bottom-right corner of text terminals, Eli Zaretskii, 2022/09/12
- bug#57728: 29.0.50; Emacs writes wrong glyph at the bottom-right corner of text terminals, Gregory Heytings, 2022/09/12
- bug#57728: 29.0.50; Emacs writes wrong glyph at the bottom-right corner of text terminals, Gerd Möllmann, 2022/09/12
- bug#57728: 29.0.50; Emacs writes wrong glyph at the bottom-right corner of text terminals, Gerd Möllmann, 2022/09/12
- bug#57728: 29.0.50; Emacs writes wrong glyph at the bottom-right corner of text terminals, Eli Zaretskii, 2022/09/12
- bug#57728: 29.0.50; Emacs writes wrong glyph at the bottom-right corner of text terminals, Andreas Schwab, 2022/09/12
- bug#57728: 29.0.50; Emacs writes wrong glyph at the bottom-right corner of text terminals, Akib Azmain Turja, 2022/09/12
- bug#57728: 29.0.50; Emacs writes wrong glyph at the bottom-right corner of text terminals,
Eli Zaretskii <=
- bug#57728: 29.0.50; Emacs writes wrong glyph at the bottom-right corner of text terminals, Gregory Heytings, 2022/09/12
- bug#57728: 29.0.50; Emacs writes wrong glyph at the bottom-right corner of text terminals, Eli Zaretskii, 2022/09/12
- bug#57728: 29.0.50; Emacs writes wrong glyph at the bottom-right corner of text terminals, Gregory Heytings, 2022/09/12
- bug#57728: 29.0.50; Emacs writes wrong glyph at the bottom-right corner of text terminals, Eli Zaretskii, 2022/09/12