+ g_signal_connect_swapped (dict, "backend-changed",
+ G_CALLBACK (enable_save), de);
+ g_signal_connect_swapped (dict, "variable-inserted",
+ G_CALLBACK (enable_save), de);
+ g_signal_connect_swapped (dict, "variable-deleted",
+ G_CALLBACK (enable_save), de);
+ enable_save (de);