Mike Beckerle created DAFFODIL-2977:
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Summary: Empty XML element behavior has changed. Needs to be
specific.
Key: DAFFODIL-2977
URL: https://issues.apache.org/jira/browse/DAFFODIL-2977
Project: Daffodil
Issue Type: Bug
Components: Back End
Affects Versions: 3.10.0
Reporter: Mike Beckerle
XML output used to be `<foo></foo>` but now is `<foo/>` or vice versa.
Needs to be definite one or the other. (I recommend `<foo/>`
For any XML outputter, we need to control this behavior so that it is
definitely one or the other and doesn't change from release to release.
It's also possible that we should be special casing the filling in of
string-type elements so that if the string value is length 0 we don't output
any child at all. Filling in a child string object inside a DOM or JDOM node
object where that child string is of zero length is going to perhaps cause this
`<string></string>` vs. `<string/>` behavior. But in XML these are
indistinguishable, so we should catch this case and not attach the child at
all.
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