Plan 9 from Bell Labs’s /usr/web/sources/contrib/steve/root/sys/lib/texmf/fonts/source/jknappen/sauter/b-ilasy.mf
% LaTeX symbols invisible if unknown cmbase: input cmbase fi font_identifier:="ILASY"; font_size design_size*pt#; input c-cmmi; extra_endchar := extra_endchar & "clearit"; generate lasy