Plan 9 from Bell Labs’s /usr/web/sources/contrib/steve/root/sys/lib/texmf/fonts/source/jknappen/sauter/b-icmsy.mf
% Computer Modern Math Symbols invisible if unknown cmbase: input cmbase fi font_identifier:="ICMSY"; font_size design_size*pt#; input c-cmsy; extra_endchar := extra_endchar & "clearit"; generate mathsy % switch to the driver file