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This page is a location to centralize notes about implementation of advanced DFDL features, and to highlight places where the DFDL specification may need to be clarified, augmented, or corrected.
Infoset can contain elements that have dfdl:outputValueCalc
It is essential that when unparsing it is allowed for the infoset to already contain output-computed elements. The values of these will be discarded and recomputed during unparsing, but they have to be tolerated if present, and created if not present.
SDE for element in hidden group that has no default, nor dfdl:outputValueCalc
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