Strange difference between MacOS and Linux - Unicode Math

[Ulrike Fischer]

Am Tue, 27 Sep 2022 17:26:32 +0900 schrieb Norbert Preining:

>> Can you show both log-files from the compilation with lualatex? And
>> also the pdf's?
> 
> Hmmm, strange, now I get on both systems the 4 instead of triangleup
> which is also painful
> 
> \documentclass{article}
> \usepackage{fontspec}
> \usepackage{unicode-math}
> \let\bd\bigtriangleup
> \begin{document}
> Hello $\bd$ World
> \end{document}
> 
> 
> ??

\let\bd\bigtriangleup before \begin{document} is not a good idea.
unicode-math setups the math only a begin document. If you move the
the \let behind \begin{document} it will work again.


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