[XeTeX] "Missing character" warnings in beamer

[Ulrike Fischer]

Am Wed, 30 Mar 2022 21:09:40 +0200 schrieb Michael Ring:

> Dear all,
> 
> when I run the following sample in XeLaTeX (TeX Live 2021)
> 
> \documentclass{beamer}
> \usetheme{Frankfurt}
> \begin{document}
> \begin{frame}{Test}
> \begin{block}{test block}
> \end{block}
> \end{frame}
> \end{document}
> 
> it outputs the following warning messages:
> 
> Missing character: There is no 4 ("34) in font nullfont!
> Missing character: There is no 1 ("31) in font nullfont!
> Missing character: There is no 0 ("30) in font nullfont!
> Missing character: There is no 4 ("34) in font nullfont!
> Missing character: There is no 4 ("34) in font nullfont!
> 
 
> Is this a known bug and where does it come from? XeTeX? Beamer? PGF?

It is known:

https://github.com/pgf-tikz/pgf/issues/1088

The next pgf version should correct it. 


-- 
Ulrike Fischer 
http://www.troubleshooting-tex.de/