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Incremental Unparsing - Pending Calculations and Forward Reference
There is an attachment to this page which is a powerpoint slide deck which describes the Daffodil unparser behavior for an outputValueCalc scenario.
output-value-calc-scenario.pdf or the powerpoint source: output-value-calc-scenario.pptx
When unparsing, the situation can arise where one must write out an element, but the value of that element is to be computed from one or more other elements that appear later in Infoset order.
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