Normalisation (also spelt normalization) takes place when the orthography (or other aspects of the language) of a text is changed in order to make it correspond to a certain standard. This happened to early (i.e. pre-classical) Greek and Latin texts, which underwent a process of orthographical modernisation in the classical or later periods. This happened during the Roman Empire to certain Greek texts not originally written in classical Attic Greek, when Attic forms and inflection sometimes replaced other forms.
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