This module supports the Extended Date Time Format.
It builds on the work done by the Numeric Data Types module and incorporates EDTF functions from ProfessionalWiki's EDTF implementation in Php
Specialisation of EdtfDataType is Copyright © 2023-present University of Warwick https://warwick.ac.uk/digitalhumanities.
NumericDataTypes is Copyright © 2018-present Corporation for Digital Scholarship, Vienna, Virginia, USA http://digitalscholar.org
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