> do you think this can be solved within LilyPond? Otherwise I could > add a service to FreeType so that function `cff_charset_cid_to_gindex` > (in FreeType's file `src/cff/cffload.c`) gets a public API...[*]
Silly me! FreeType already offers the necessary functionality (see
`ftcid.h`):
FT_Get_CID_Is_Internally_CID_Keyed
FT_Get_CID_From_Glyph_Index
I'll prepare a fix.
Werner
