\font\SILmfont={[/usr/local/texlive/2024/texmf-dist/fonts/opentype/gust/poltawski/antpoltltsemiexpd-regular.otf]:+clig;+liga;+tlig;+onum}\SILmfont
\def\SILmfontname{AntPoltLtSemiExpd-Regular; Oldstyle Figures}%