\font\SILmfont={[/usr/local/texlive/texmf-local/fonts/opentype/MintType/Recht/Recht-ExtraLight.otf]:+clig;+liga;+tlig;+ss03}\SILmfont
\def\SILmfontname{Recht-ExtraLight; Stylistic Set 3}%