bug#33429: 26.1.50; XML: Mistakenly complains about encoding

[Eli Zaretskii]

> From: Benny Riefenstahl <riefenstahl@mecom.de>
> Date: Mon, 19 Nov 2018 12:58:42 +0100
> 
> When I open the attached file test.xml in "emacs -Q", Emacs complains in
> *Warnings*:
> 
>   Warning (emacs): File contents detected as iso-latin-1.
>     Consider adding an xml declaration with the encoding specified,
>     or saving as utf-8, as mandated by the xml specification.
> 
> The file looks fine to me, I have even used nxml-insert-xml-declaration
> to re-create the XML declaration.
> 
> Reproduced in a current build of emacs-26 and on master.

Thanks, should be fixed now on the emacs-26 branch.