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Subject: |
28.3; extra width not renderes correctly in TUI when making a character wider |
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Date: |
Tue, 16 May 2023 15:34:38 -0400 |
When I make a character wider by changing the char width table, it isn't
sometimes with shows and sometimes it doesn't.
1. Start up emacs with this command.
emacs -Q --eval '(progn (set-char-table-range char-width-table #x221e 2) (set-char-table-range char-width-table #x2014 2))'
2. Type "—a" into the scratch buffer. The em dash should be correctly rendered two cells wide, and the a shouldn't overlap with the em dash.
3. `M-x redraw-screen`. The em dash should now overlap the a.
consistently works with:
- Termux, iosevka
- xfce4-terminal, iosevka and source code pro
- Kitty, iosevka
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--- Begin Message ---
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Subject: |
Re: bug#63544: 28.3; extra width not renderes correctly in TUI when making a character wider |
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Date: |
Sun, 3 Sep 2023 03:35:24 -0700 |
Eli Zaretskii <eliz@gnu.org> writes:
> tags 63544 notabug
> thanks
[...]
> This is not a bug. I don't see how Emacs could do anything here to
> fix the terminal emulator, without causing serious degradation in
> redisplay performance.
>
> Sorry.
I'm therefore closing this bug report.
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