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

\_famdecl [fbb] \FBembo {Bembo–like fonts derived from Cardo}
        {\caps \swash} {\rm \bf \it \bi} {}
        {[fbb-Regular]}
        {\_def\_fontnamegen {[fbb-\_currV]:script=latn;\_capsV\_swaV\_fontfeatures}}

\_wlog{\_detokenize{%
Modifier:^^J
 \caps ...... caps & small caps + old digits^^J
 \swash ..... alternative Q letter and some other characters^^J
}}

\_moddef \resetmod {\_fsetV caps={},swa={} \_fvars Regular Bold Italic BoldItalic }
\_moddef \caps     {\_fsetV caps=+smcp;\_ffonum; }
\_moddef \swash    {\_fsetV swa=+swsh;+salt; }

\_initfontfamily % new font family must be initialized

\_endcode

See historical notice in texdoc fbb.

See the file `f-heros.opm` for information about principles of such
font-macro-files.