%% This is part of the OpTeX project, see http://petr.olsak.net/optex

\_famdecl [Plex] \Plex
   {IBM Plex font family}
   {\serif \sans \mono
    \thin \elight \light \regular \text \medium \semibold
    \cond \nocond}
   {\rm \bf \it \bi}
   {}%% No math!
   {IBMPlexSerif-Regular}
   {\_def\_fontnamegen {[IBMPlex\_subV-\_currV]:\_fontfeatures}}

\_wlog{\_detokenize{%
Subfamilies:^^J
 \serif .... Serif (default)^^J
 \sans ..... Sans serif^^J
 \mono ..... Mono^^J%
Weight modifiers:^^J
 \thin ........ \rm \it = thin, \bf \bi = light^^J
 \elight ...... \rm \it = extra light, \bf \bi = regular^^J
 \light ....... \rm \it = light, \bf \bi = medium^^J
 \regular ..... \rm \it = regular, \bf \bi = bold (default)^^J
 \text ........ \rm \it = text, \bf \bi = bold^^J
 \medium ...... \rm \it = medium, \bf \bi = bold^^J
 \semibold .... \rm \it = regular, \bf \bi = semibold^^J%
Modifiers:^^J
 \cond \nocond .... Condensed (sans serif only)^^J%
}}

\_moddef \resetmod {\__Plex_nocond \__Plex_serif \__Plex_regularVars}

\_def\__Plex_nocond      {\_fsetV cond={} }
\_def\__Plex_serif       {\_fsetV sub=Serif }
\_def\__Plex_regularVars {\_fvars Regular Bold Italic BoldItalic }

\_moddef \serif {\__Plex_serif}
\_moddef \sans  {\_fsetV sub={Sans\_condV} }
\_moddef \mono  {\_fsetV sub=Mono }

\_moddef \thin     {\_fvars Thin Light ThinItalic LightItalic }
\_moddef \elight   {\_fvars ExtraLight Regular ExtraLightItalic Italic }
\_moddef \light    {\_fvars Light Medium LightItalic MediumItalic }
\_moddef \regular  {\__Plex_regularVars}
\_moddef \text     {\_fvars Text Bold TextItalic BoldItalic }
\_moddef \medium   {\_fvars Medium Bold MediumItalic BoldItalic }
\_moddef \semibold {\_fvars Regular SemiBold Italic SemiBoldItalic }

\_moddef \cond   {\_fsetV cond=Condensed }
\_moddef \nocond {\__Plex_nocond}

\_initfontfamily

\_endcode

Official font repository:
https://github.com/IBM/plex
