TeX Live Manager GUI shows Unicode codes instead of characters

[Andrey Sotnikov]

On Mon, 2021-06-28 at 09:34:47AM +0200, Siep Kroonenberg wrote:
> Relevant command-line parameters:
>
> Language: e.g. '-gui-lang ru'
>
> Font: e.g. '-font fixed'
>
> Keep in mind that Perl/Tk is antique, so some font specifications
> may not be supported. quote the old many-parameter X11 font


It turned out fonts for old X applications have to be properly
installed in order for tlmgr to operate properly. I followed these
instructions:
https://wiki.archlinux.org/title/Fonts#Older_applications
After that everything started working as it should.