\font\SILmfont={[/usr/local/texlive/2024/texmf-dist/fonts/truetype/SIL/charissil/CharisSIL-BoldItalic.ttf]:+clig;+liga;+tlig;+smcp}\SILmfont
\def\SILmfontname{Charis SIL Bold Italic; Small Capitals}%