code: func (v *Color) Parse(spec string) bool {
  	cstr := C.CString(spec)
  	defer C.free(unsafe.Pointer(cstr))
  	c := C.pango_color_parse(v.native(), (*C.char)(cstr))
  	return gobool(c)
  }
docs: //gboolean    pango_color_parse    (PangoColor       *color,
  //			  const char       *spec);