DECLARE_SCHEME_CALLBACK (calc_stem_info, (SCM));
DECLARE_SCHEME_CALLBACK (calc_positioning_done, (SCM));
DECLARE_SCHEME_CALLBACK (width, (SCM smob));
DECLARE_SCHEME_CALLBACK (calc_stem_info, (SCM));
DECLARE_SCHEME_CALLBACK (calc_positioning_done, (SCM));
DECLARE_SCHEME_CALLBACK (width, (SCM smob));