bug#37633: Column part interpreted wrong in compilation mode

[Eli Zaretskii]

> From: Bernd Paysan <bernd@net2o.de>
> Cc: anton@mips.complang.tuwien.ac.at, 37633@debbugs.gnu.org
> Date: Sun, 06 Oct 2019 21:22:20 +0200
> 
> > > if the editor mistook a UTF-8 file for an iso8859-1, it will see an
> > > UTF-8 string "äöü" (6 bytes UTF-8) as "äöü" (6 bytes iso8859-1).
> > > But it's still 6 bytes.
> > 
> > Not inside the Emacs buffer, it isn't.
> 
> I created a unicode file:
> [...]
> If I revert this buffer with the correct encoding utf-8-unix, then it still 
> navigates to the i of %i, so it's all agnostic to whether the encoding 
> detected was correct or wrong.

Not sure I understand: are you saying that your experiment proves that
my assertion about the number of bytes was incorrect?  Because it
doesn't.

And anyway, I see n o reason to argue about this side issue, since we
seem to be in agreement that using the file's encoding is TRT.