I’m not able to reproduce this on a fresh Debian 12 install. Ctrl+u shows an underlined u, and if I type 40 and press enter, I get a ‘@’ as expected. Perhaps you have customized your input method from the default?
I’m not able to reproduce this on a fresh Debian 12 install. Ctrl+u shows an underlined u, and if I type 40 and press enter, I get a ‘@’ as expected. Perhaps you have customized your input method from the default?