bug#8517: Can't handle utf8 encoded filenames in locale 'de_DE.utf8'

[Eli Zaretskii]

> From: Lars Ingebrigtsen <larsi@gnus.org>
> Date: Wed, 21 Aug 2019 13:56:32 -0700
> Cc: 8517@debbugs.gnu.org, 611396-forwarded@bugs.debian.org,
>  Gernot Kieseritzky <gernotk@gmail.com>
> 
>  ("German"
>   (documentation . "This language environment is almost the same as 
> Latin-1,\nbut sets the default input method to 
> \"german-postfix\".\nAdditionally, it selects the German tutorial.")
>   (sample-text . "German (Deutsch Nord)       Guten Tag\nGerman (Deutsch Süd) 
> Grüß Gott")
>   (unibyte-display . iso-latin-1)
>   (input-method . "german-postfix")
>   (nonascii-translation . iso-8859-1)
>   (coding-priority iso-latin-1)
>   (coding-system iso-latin-1 iso-latin-9)
>   (charset iso-8859-1)
>   (tutorial . "TUTORIAL.de"))
> 
> So while it may be surprising in this day and age that that's what this
> does, I don't think the definition can be changed (because that'd break
> the setup of people who rely on "German" to be iso-8859-1).

Not sure why this is even important.  By default, Emacs takes the
codeset part (i.e. the encoding it prefers) from the locale.  the
above is only important if someone sets the language environment by
hand.  Am I right?