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https://issues.apache.org/jira/browse/DAFFODIL-852?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael Beckerle reassigned DAFFODIL-852:
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Assignee: Michael Beckerle
> Implement runtime checks for lastDeclaredRequiredElement
> --------------------------------------------------------
>
> Key: DAFFODIL-852
> URL: https://issues.apache.org/jira/browse/DAFFODIL-852
> Project: Daffodil
> Issue Type: New Feature
> Components: Back End, Diagnostics
> Affects Versions: s11
> Reporter: Josh Adams
> Assignee: Michael Beckerle
> Priority: Major
>
> This is primarily an issue for cases where an element is
> maxOccurs="unbounded" occursCountKind="implicit", as this is only allowed on
> the last required element of a sequence (see DFDL-732)
> So far I believe that we have the compile time checks completed. However,
> there are cases where it cannot be determined whether or not an element is
> required at compile time. For example:
> - unbounded/implicit element followed by a choice where a required element
> is selected at runtime (see
> edu.illinois.ncsa.daffodil.section14.occursCountKind.TestOCKImplicitNew
> test_ockImplicit12)
> - unbounded/implicit element followed by an element where lengthKind=pattern
> and that pattern can match an empty string. (see
> edu.illinois.ncsa.daffodil.section14.occursCountKind.TestOCKImplicitNew
> test_ockImplicit14)
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