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https://issues.apache.org/jira/browse/DAFFODIL-2903?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dave Thompson closed DAFFODIL-2903.
-----------------------------------
Verified the specified commit (commit dc558743c067270cfe062943ea0cbfa69fea410b)
is included in the latest pull from the daffodil repository.
Verified, via review, changes identified in the commit comment were
implemented.
Verified the affected daffodil subproject sbt test suites executed successfully
including the added test.
> Allow inputValueCalc to apear in a hidden group
> -----------------------------------------------
>
> Key: DAFFODIL-2903
> URL: https://issues.apache.org/jira/browse/DAFFODIL-2903
> Project: Daffodil
> Issue Type: New Feature
> Components: Front End
> Reporter: Steve Lawrence
> Priority: Major
> Fix For: 3.8.0
>
>
> Elements in a hidden group have a restriction that they must define
> dfdl:outputValueCalc, a default value, or are optional. This is necessary so
> that they can be unparsed without appearing in the infoset.
> It might also be useful to allow dfdl:inputValueCalc to appear in a hidden
> group. It seems a bit odd since we would calculate an element only to not
> include it in the infoset, but it could be useful as an interim calculation
> for another non-hidden inputValueCalc.
> On alternative to a hidden IVC is use a variable, but in some cases infoset
> paths/elements are easier to use since you don't have to worry about new
> variable instances or varable scoping.
>
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