[jira] [Created] (DAFFODIL-2035) prefixLengthType and element lengthUnits only needs to be the same when prefixIncludePrefixLength

["Steve Lawrence (JIRA)" <ji...@apache.org>]

Steve Lawrence created DAFFODIL-2035:
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             Summary: prefixLengthType and element lengthUnits only needs to be the same when prefixIncludePrefixLength
                 Key: DAFFODIL-2035
                 URL: https://issues.apache.org/jira/browse/DAFFODIL-2035
             Project: Daffodil
          Issue Type: Bug
          Components: Front End
            Reporter: Steve Lawrence
            Assignee: Steve Lawrence
             Fix For: 2.3.0


Section 12.3.4 of the DFDL says:

{quote}If the prefix type is dfdl:lengthKind 'implicit' or 'explicit' then the dfdl:lengthUnits properties of both the prefix type and the element must be the same.{quote}

This restriction was implemented as part of DAFFODIL-114. However, it was discovered that the Errata that led to this part of the spec was:
{quote}2.76. Section 12.3.4. When property prefixIncludesPrefixLength is ‘yes’ there are some restrictions that need to be added to enable reliable lengths to be calculated: - If the prefix type is lengthKind 'implicit' or 'explicit' then the lengthUnits properties of both the prefix type and the element must be the same.{quote}

It seems this errata was not fully merged into the spec.

I believe this shoudl already work if we just modify the restriction to apply only when prefixIncludesPrefixLength="yes". To to make this change and add tests to verify.



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