On Sat, Nov 19, 2022 at 8:39 PM Eli Zaretskii <firstname.lastname@example.org
> By sheer coincidence, I've just fixed that a few minutes ago.
> That's quoting-style for you.
I didn't know about text-quoting-style.
> When is it not the locale-coding-system for messages and file-name-coding-system
> for file names?
I don't know. emacsclient can be used to talk to remote instances of Emacs. Do they know the (locale|file-name)-coding system for the emacsclient that contacts them?