Am Tue, 12 May 2020 16:00:25 +0200 schrieb Pierre Dupond:
> What is curious is that the name of the font seems to be correctly > recognised like it is shown in this log extract: > > (/opt/texlive/2019/texmf-local/tex/latex/unicode-math/unicode-math-table.tex))) > ) > kpathsea: Running mktextfm Asana-Math.otf/OT messages often do more expansion than the actual code. > Any ideas? Expand the var. And better use a tl-var instead of str-var. the comparision code of font spec don't expect a string there. \tl_const:Nn \c__test_MathFont_tl {Asana-Math.otf} \exp_args:No\setmathfont{\tl_use:N \c__test_MathFont_tl} > \AtBeginDocument{\ExplSyntaxOff} Better remove this. It is unneeded. -- Ulrike Fischer http://www.troubleshooting-tex.de/