bug#43632: Raw bytes printed as latin-1 in echo area and *Messages*

[Eli Zaretskii]

> From: Lars Ingebrigtsen <larsi@gnus.org>
> Cc: mattiase@acm.org,  43632@debbugs.gnu.org
> Date: Sun, 27 Sep 2020 13:13:31 +0200
> 
> Eli Zaretskii <eliz@gnu.org> writes:
> 
> >> In the *scratch* buffer, C-x C-e:
> >> 
> >> "\377"
> >> => "\377"
> >> 
> >> But the echo area says "\xff".
> >> 
> >> because I have (setq display-raw-bytes-as-hex t).
> >
> > So you've explicitly asked for that, no?
> 
> I have, so I guess the only confusing thing is that it's still "\377" in
> the scratch buffer?

In the scratch buffer you have a string of 4 ASCII characters, not of
1 raw byte, right?

> >> (string-to-multibyte "\377")
> >> => "\377"
> >> 
> >> And the echo area says "\377", as expected.
> >
> > That's unrelated: Emacs behaved the same before my changes.
> 
> Yup.  But don't we call these "raw bytes", too?  I was just idly wondering
> whether the display of these should also be affected by
> `display-raw-bytes-as-hex'...

No, because what you have in *scratch* is again a string of 4 ASCII
characters.