g_list_free (field_choice->selected_items);
field_choice->selected_items = NULL;
field_choice->selected_items = g_list_prepend (field_choice->selected_items,
g_list_free (field_choice->selected_items);
field_choice->selected_items = NULL;
field_choice->selected_items = g_list_prepend (field_choice->selected_items,