'IBMPlexMonoExtraLight,extralight', 'IBMPlexMonoLight,light',
'IBMPlexMonoSemibold,semibold'],
"typewriter", "tt", "plex-mono", "scale")
+ fm.expandFontMapping(['ADOBESourceSerifPro'], "roman", None, "sourceserifpro")
+ fm.expandFontMapping(['ADOBESourceSansPro'], "sans", "sf", "sourcesanspro", "scaled")
+ fm.expandFontMapping(['ADOBESourceCodePro'], "typewriter", "tt", "sourcecodepro", "scaled")
return fm
def convert_fonts(document, fm):