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https://issues.apache.org/jira/browse/JENA-1372?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16134183#comment-16134183
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ASF subversion and git services commented on JENA-1372:
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Commit 919a8215174d1820565144c230e8fbc1d7f77cf1 in jena's branch
refs/heads/master from [~andy.seaborne]
[ https://git-wip-us.apache.org/repos/asf?p=jena.git;h=919a821 ]
JENA-1372: fn:apply and fn:collation-key
> New functions in F&O 3.1
> ------------------------
>
> Key: JENA-1372
> URL: https://issues.apache.org/jira/browse/JENA-1372
> Project: Apache Jena
> Issue Type: Improvement
> Components: ARQ
> Affects Versions: Jena 3.4.0
> Reporter: Andy Seaborne
> Priority: Minor
>
> F&O 3.1 adds some new functions : see
> https://www.w3.org/TR/xpath-functions-3/#substantive-changes.
> The ones of note are:
> * [fn:apply|https://www.w3.org/TR/xpath-functions-3/#func-apply] (dynamically
> applies a function to arguments supplied as an array) which is close to the
> extension {{CALL}}, so the code there could be extracted and morphed to be
> {{fn:apply}}.
> *
> [fn:collation-key|https://www.w3.org/TR/xpath-functions-3/#func-collation-key]
> (generates a key that can be used for collation-based matching). It is quite
> similar to role played by {{NodeValueSortKey}}.
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