\font\SILmfont={[/usr/local/texlive/2024/texmf-dist/fonts/opentype/ibm/plex/IBMPlexSans-Text.otf]:+clig;+liga;+tlig;+ss03}\SILmfont
\def\SILmfontname{IBM Plex Sans Text; Stylistic Set 3}%