1. textual criticism
Wikipedia definition
2. Textual criticismTextual criticism (or lower criticism) is a branch of literary criticism that is concerned with the identification and removal of transcription errors in the texts of manuscripts. Ancient scribes made errors or alterations when copying manuscripts by hand. Given a manuscript copy, several or many copies, but not the original document, the textual critic seeks to reconstruct the original text (the archetype or autograph) as closely as possible.
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