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https://issues.apache.org/jira/browse/DAFFODIL-1907?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael Beckerle reassigned DAFFODIL-1907:
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Assignee: Michael Beckerle
> Daffodil disallows attribute declarations for non-DFDL annotation elements.
> ---------------------------------------------------------------------------
>
> Key: DAFFODIL-1907
> URL: https://issues.apache.org/jira/browse/DAFFODIL-1907
> Project: Daffodil
> Issue Type: Bug
> Components: Front End
> Affects Versions: 2.0.0
> Reporter: Michael Beckerle
> Assignee: Michael Beckerle
> Priority: Major
> Fix For: 2.2.0
>
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> A user has an annotation system goes by name "STF".
> These annotations need to live in the same DFDL schema as DFDL annotations. .
> They are isolated in their own xs:appinfo blocks with different source URI.
> The problem is that this annotation language uses XML attributes on some of
> its annotation elements (just as DFDL does).
> And there's the problem.... this annotation language has xs:attribute
> declarations, and Daffodil issues an SDE because of them, because we don't
> know that they aren't intended to be (mistakenly) used for data. We don't
> have a way of knowing they're only for an annotation language that we'll be
> ignoring.
> We need a mechanism to tolerate these without turning off checking for misuse
> of DFDL-disallowed XML constructs entirely.
> Possibilities might be to issue an SDW, but have a means for suppressing this
> SDW so that users with this situation don't have to put up with lots of SDW
> messages. Another idea is to have a dfdl:ignore annotation that can be placed
> on an xs:include/xs:import telling Daffodil to not carry out that import.
> Another possibility is to add XSD1.1 features for conditional preprocessing
> of schemas.
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