Strange difference between MacOS and Linux - Unicode Math

Norbert Preining norbert at
Tue Sep 27 08:52:20 CEST 2022

Adding missing information:

Compiler was xelatex (as can be seen from the pdfinfo), but same happens with

The Mac I use is a M1 (arm64, apple silicon).


On Tue, 27 Sep 2022, Norbert Preining wrote:
> Hi all,
> can someone explain me why the following file:
> \documentclass{article}
> \usepackage{fontspec}
> \usepackage{unicode-math}
> \begin{document}
> Hello $\bigtriangleup$ World
> \end{document}
> compiled once on MacOS and once on Linux, both with uptodate TL2022,
> I get a correct version on Linux, and on MacOS the
> 	\bigtriangleup
> appears as
> 	4
> in the pdf.
> I have checked the embedded fonts and the agree.
> I attach the pdf files.
> Thanks for any enlighting comment!

PREINING Norbert                    
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