GNU bug report logs - #68930
30.0.50; Emacs conflates C-Ω and C-ω

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From: Eli Zaretskii <eliz <at> gnu.org>
To: Alexander Prähauser <ahprae <at> protonmail.com>, Po Lu <luangruo <at> yahoo.com>
Cc: 68930 <at> debbugs.gnu.org
Subject: bug#68930: 30.0.50; Emacs conflates C-Ω and C-ω
Date: Mon, 05 Feb 2024 21:10:02 +0200

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> Date: Mon, 05 Feb 2024 16:58:02 +0000
> From: Alexander Prähauser <ahprae <at> protonmail.com>
> 
> "Eli Zaretskii" <eliz <at> gnu.org> writes:
> 
> >> Date: Sun, 04 Feb 2024 20:49:26 +0000
> >> From:  Alexander Prähauser via "Bug reports for GNU Emacs,
> >>  the Swiss army knife of text editors" <bug-gnu-emacs <at> gnu.org>
> >>
> >>
> >> Emacs confuses C-ω and C-Ω. This seems to happen regardless of the init file.
> >> For instance, if started with a basic init containing only the lines
> >>
> >> (define-key global-map (kbd "C-ω") 'kill-region)
> >> (define-key global-map (kbd "C-Ω") 'copy-to-register)
> >>
> >> the commands are recalled by exactly the reversed key combinations, C-Ω
> >> kills and C-ω copies to register. Both Ω and ω are here in the xkb-map
> >> of the keyboard layout as unicode characters, U03A9 and U03C9
> >> respectively. I tried using C-Ω and C-ω as key combinations for commands
> >> in the Firefox-plugin Tridactyl to see if it confuses them as well, but
> >> it seems to be able to distinguish them.
> >
> > What does "C-h l" say about what keys Emacs received?
> 
> It also lists them the wrong way around, so if I type C-ω it lists C-Ω
> and vice versa.

So are you sure nothing is wrong with your keyboard setup?

Adding Po Lu in case he has some ideas or comments.

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