pub unsafe extern "C" fn pango_font_description_merge(
desc: *mut PangoFontDescription,
desc_to_merge: *const PangoFontDescription,
replace_existing: gboolean,
)
pub unsafe extern "C" fn pango_font_description_merge(
desc: *mut PangoFontDescription,
desc_to_merge: *const PangoFontDescription,
replace_existing: gboolean,
)