static int is_tabdiff_column(int id)
{
	assert((size_t) id < ARRAY_SIZE(infos));

	switch(id) {
	case COL_ACTION:
	case COL_OLD_TARGET:
	case COL_OLD_OPTIONS:
		return 1;
	default:
		break;
	}
	return 0;
}
static int is_tabdiff_column(int id)
{
	assert((size_t) id < ARRAY_SIZE(infos));

	switch(id) {
	case COL_ACTION:
	case COL_OLD_TARGET:
	case COL_OLD_OPTIONS:
		return 1;
	default:
		break;
	}
	return 0;
}