[jira] [Updated] (DAFFODIL-1667) remove restriction that dfdl:inputValueCalc and dfdl:outputValueCalc can't be on the same element.

["Mike Beckerle (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/DAFFODIL-1667?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mike Beckerle updated DAFFODIL-1667:
------------------------------------
    Priority: Minor  (was: Major)

> remove restriction that dfdl:inputValueCalc and dfdl:outputValueCalc can't be on the same element.
> --------------------------------------------------------------------------------------------------
>
>                 Key: DAFFODIL-1667
>                 URL: https://issues.apache.org/jira/browse/DAFFODIL-1667
>             Project: Daffodil
>          Issue Type: Improvement
>          Components: Back End, DFDL Language, Front End
>    Affects Versions: 2.0.0
>            Reporter: Mike Beckerle
>            Priority: Minor
>
> This restriction in DFDL seems unnecessary, and a number of times the need for this has come up.
> Removing this restriction may require more than just removing a check. The grammar may have assumptions that an element is either dfdl:inputValueCalc or dfdl:outputValueCalc in that grammar terms for these may be exclusive (in daffodil.grammar package).
> If this restriction is removable, we will raise the removal to the DFDL WG as a correction to the DFDL spec, as part of an experience document around the advanced DFDL features like computed elements, hidden groups, etc.



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