important comments and critiques directly in the margins of a manuscript, or, if they themselves found a copy error from the past, they would write the correct words above the line. Since in ancient times, books did not have pages with wide margins, but were written in columns on a long scroll, the space was very cramped and added words often touched against the original text. Later copyists sometimes added the marginal comments right into their new text, either by mistake, or because they honestly