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BS ISO 19444-1:2019
Document management. XML Forms Data Format Use of ISO 32000-2 (XFDF 3.0) (British Standard)
This document specifies an XML format for representing forms data and annotations in the Portable Document Format, ISO 32000-2 (PDF 2.0).
This document does not change or add any definitions for any components of ISO 32000-2.
British Standards Institution [bsi]