[XeTeX] Guaranteed Unicode replacement glyph in every TeX installation?

[Janusz S. Bień]

On Sat, Aug 21 2021 at 15:20 +01, Philip Taylor (HI) wrote:
> Ulrike Fischer wrote:
>
>  With a current texlive you can use albatross to find out which fonts
> on your system support this
>
>    albatross -d 0xFFFD
>
> I appreciate that this answer may have been targetted solely at Doug McKenna, but in the general case it does not work.  Here, using TeX Live 2021 under
> Windows 7 Ultimate, the command "albatross" is unknown —

It's also absent in all verions of Debian, including testing, unstable
and experimental.

I've just downloaded it from CTAN (I had to circumvent a minor path
problem).

Best regards

Janusz

-- 
             ,   
Janusz S. Bien
emeryt (emeritus)
https://sites.google.com/view/jsbien