toIsoString
Part of the ISO/IEC 18013-5:2021 standard: Message digest function (9.1.2.5)
Skips patch if it is 0, i.e. serializes 1.1 instead of 1.1.0
Part of the ISO/IEC 18013-5:2021 standard: Message digest function (9.1.2.5)
Skips patch if it is 0, i.e. serializes 1.1 instead of 1.1.0