Re: Disambiguate modeline character for UTF-8?

[Ulrich Mueller]

>>>>> On Fri, 07 Jul 2023, Eli Zaretskii wrote:

>> > Not that I expect this to happen in practice anyway, since UTF-7 is
>> > rarely encountered nowadays.
>> 
>> Yes, and when users encounter that rare case, they should get an
>> indication that the file they are visiting is in an unusual encoding.

> We don't have a notion of "unusual" encoding in Emacs.  Basically,
> anything besides ASCII and perhaps UTF-8 is "unusual" nowadays, so
> such a notion won't be useful, IMO.

> How is utf-7 more "unusual" than, say, ebcdic or iso-2022-jp or even
> windows-1251?

Sorry, poor choice of wording. What I meant was that when users
encounter a rare case like UTF-7 (or any of the others you just
mentioned), then they should get an indication of the fact.