scripts/cif_validate: tests/cases/cif_validate_031.inp data_mixed_category_looped_list: NOTE, data items in a looped list must all belong to the same category -- data items ['_first_looped_category_item_1', '_first_looped_category_item_2'] belong to the 'first_looped_category' category, data items ['_second_looped_category_item_1', '_second_looped_category_item_2'] belong to the 'second_looped_category' category.
