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https://issues.apache.org/jira/browse/DAFFODIL-2295?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Olabusayo Kilo reassigned DAFFODIL-2295:
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Assignee: Olabusayo Kilo
> priorAlignmentApprox incorrect if term is preceded by separator with text bit
> alignment
> ---------------------------------------------------------------------------------------
>
> Key: DAFFODIL-2295
> URL: https://issues.apache.org/jira/browse/DAFFODIL-2295
> Project: Daffodil
> Issue Type: Bug
> Components: Middle "End"
> Affects Versions: 2.5.0
> Reporter: Mike Beckerle
> Assignee: Olabusayo Kilo
> Priority: Minor
> Fix For: 4.1.0
>
>
> The AlignedMixin trait has a member priorAlignmentApprox which for a term,
> computes an approximation of the alignment prior to it.
> One of the things that could be before a term is a separator of a separated
> sequence (prefix or infix position), and in that case, the alignment will be
> the mandatory-text-alignment of that separator's encoding.
> The code of priorAlignmentApprox takes a number of things into consideration,
> but does not take the possibility of a separator into account.
> The design note
> [https://daffodil.apache.org/dev/design-notes/term-sharing-in-schema-compiler/]
> shows numerous things in the "unique before" of a term including the
> separator text regions, but the code doesn't implement this fully.
> This is a bug, because the schema compiler may not insert an alignment region
> when one is required to meet the term's alignment property requirement.
>
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