IBM Plex Sans is a trademark of IBM and distributed under the SIL Open Font License, Version 1.1.
import_plex_sans()
There is an option hrbrthemes.loadfonts
which -- if set to TRUE
-- will
call extrafont::loadfonts()
to register non-core fonts with R PDF & PostScript
devices. If you are running under Windows, the package calls the same function
to register non-core fonts with the Windows graphics device.