connect_action (de, "transform_recode-same", G_CALLBACK (recode_same_dialog));
connect_action (de, "transform_recode-different", G_CALLBACK (recode_different_dialog));
connect_action (de, "transform_recode-same", G_CALLBACK (recode_same_dialog));
connect_action (de, "transform_recode-different", G_CALLBACK (recode_different_dialog));