c_swallowed_object_get, 0);
rb_define_method (cPart, "text", c_text_get, 0);
rb_define_method (cPart, "text=", c_text_set, 1);
c_swallowed_object_get, 0);
rb_define_method (cPart, "text", c_text_get, 0);
rb_define_method (cPart, "text=", c_text_set, 1);