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https://issues.apache.org/jira/browse/DAFFODIL-2496?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mike Beckerle reassigned DAFFODIL-2496:
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Assignee: Mike McGann
> implement emptyElementParsePolicy as a dfdl property. It is part of DFDL 1.0
> ----------------------------------------------------------------------------
>
> Key: DAFFODIL-2496
> URL: https://issues.apache.org/jira/browse/DAFFODIL-2496
> Project: Daffodil
> Issue Type: Bug
> Components: Front End
> Affects Versions: 3.0.0
> Reporter: Mike Beckerle
> Assignee: Mike McGann
> Priority: Major
> Labels: beginner
>
> emptyElementParsePolicy was a proposed extension to DFDL at the time we
> implemented it.
> However, it was accepted and is part of DFDL v1.0.
> Hence, we need to implement it as an official DFDL property, not just as an
> extension.
> Note that our extension dfdlx:emptyElementParsePolicy had enums
> 'treatAsEmpty' and 'treatAsMissing'.
> The official DFDL 1.0 property renamed 'treatAsMissing' to 'treatAsAbsent'.
> The meanings of the enums did not change.
> We should continue to accept the extension dfdlx property with the original
> enum values, and detect if both the official and extension properties exist
> and are in conflict.
> We should issue a suppressable warning about the extension property,
> suggesting upgrading the DFDL schema to use the official property.
> The new official emptyElementParsePolicy should, if not defined, generate a
> suppressable warning, and get a default 'treatAsEmpty'.
>
>
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