Michael Beckerle created DAFFODIL-2135:
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Summary: optional elements that are nillable, where nilValue is ES
are being omitted, not nilled
Key: DAFFODIL-2135
URL: https://issues.apache.org/jira/browse/DAFFODIL-2135
Project: Daffodil
Issue Type: Bug
Components: Back End
Affects Versions: 2.4.0
Reporter: Michael Beckerle
Assignee: Michael Beckerle
Fix For: 2.4.0
Since git hash 53d6b4f342140f9a807ee1ca087dbeaf0367ade7 which was merged
2019-05-22, some formats no longer work.
For one such format, the reason is clear. nillable optional elements with
zero-length aren't being treated correctly.
Specifically nilValue="%ES;" and nilValueDelimiterPolicy="none"
An element that is nillable, but also minOccurs 0 maxOccurs 1 should appear in
the infoset as nilled, but current behavior is it is being omitted.
Even when the element is optional, nil takes precedence over optionality.
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