Il 25/06/24 23:52, Jeremy Bryant ha scritto:

Important settings:
value of $LANG: it_IT.UTF-8
locale-coding-system: utf-8-unix

Major mode: LaTeX
This suggests you are using the major mode from AUCTeX, rather than the
built-in latex-mode?  Is this right?

No, I'm using the built-in latex-mode. AUCTeX is not installed on my machine.