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https://issues.apache.org/jira/browse/DAFFODIL-2182?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16885336#comment-16885336
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Michael Beckerle commented on DAFFODIL-2182:
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Per review comment from Brandon Sloane:
{quote}{ . } and \{ .[1] } are the same thing when the current node is an
element, aren't they? I don't think "." is supposed to elevate you to the array
containing the current element. I tested this here:
[https://www.freeformatter.com/xpath-tester.html] with the xml:
{{<foo> <a>1</a> <a>2</a> <a>3</a> </foo> }}
where the expression {{foo/a[2]/.[1]}} resolved to 2
{quote}
This issue may have been discussed in DFDL workgroup email archives in the
past. Must search there and/or get clarification about the behavior of .[i].
> Expression .[1] on array should evaluate to the value of the first element.
> Produces value of current element.
> --------------------------------------------------------------------------------------------------------------
>
> Key: DAFFODIL-2182
> URL: https://issues.apache.org/jira/browse/DAFFODIL-2182
> Project: Daffodil
> Issue Type: Bug
> Components: Middle "End"
> Affects Versions: 2.4.0
> Reporter: Michael Beckerle
> Priority: Minor
>
> See test_array_self_expr1.
> I believe when an element is an array, that .[i] should be meaningful.
> It appears that the DPath compiler is creating an implementation that just
> gets the value of the current element ignoring the indexing.
>
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