%% This is part of OpTeX project, see http://petr.olsak.net/optex \_fontdecl [XCharter] \XCharter {An extension of Bitstream Charter} {\caps \slant} {\rm \bf \it \bi} {} {[XCharter-Roman]} \_wlog{\_detokenize{% Modifiers:^^J \caps ...... caps & small caps^^J \slant ..... slanted variants used in \it, \bi^^J }} \_protected\def \XCharter {% \_def \_currfamily {XCharter}% \_def \_fontnamegen {[XCharter-\_currV]:\_capsV\_fontfeatures}% \_resetmod } \_moddef \resetmod {\_fsetV caps={} \_fvars Roman Bold Italic BoldItalic } \_moddef \slant {\_fvars Roman Bold Slanted BoldSlanted } \_moddef \caps {\_fsetV caps=+smcp;+onum; } \_initfontfamily % new font family must be initialized \_endcode See the file `f-heros.opm` for information about principles of such font-macro-files.