\font\SILmfont={[/usr/local/texlive/2024/texmf-dist/fonts/opentype/gust/poltawski/antpoltexpd-regular.otf]:+clig;+liga;+tlig;+smcp}\SILmfont
\def\SILmfontname{AntPoltExpd-Regular; Small Capitals}%