\font\SILmfont={[/usr/local/texlive/texmf-local/fonts/truetype/Google/NotoSerifLao/NotoSerifLao_ExtraCondensed-ExtraLight.ttf]:+clig;+liga;+tlig;+ss01}\SILmfont
\def\SILmfontname{Noto Serif Lao ExtraCondensed ExtraLight; Stylistic Set 1}%