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While reading up on XProc 3 I wonder whether a step like an XSLT 3 stylesheet can return any type of the XSLT 3 or XPath 3.1 data model.

The spec in http://spec.xproc.org/master/head/xproc/#documents.9 has a section saying

If the result is a map, array or any atomic value, a JSON document is created and content-type application/json is used.

I am struggling to understand what would happen with sequences in general, e.g. a sequence of arrays of nodes (e.g. type array(node())*) or a sequence of maps from an atomic type to a node (e.g. a type map(xs:string, node())*) as that is not a type JSON could handle, at least not in the sense I know JSON or the XSLT 3 serialization spec allows JSON serialization for.

Any insight as to whether XProc 3 is meant to allow passing on any XDM 3.1 sequence between steps?

Martin Honnen
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1 Answers1

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This is an absolutely valid question and I think some clarification in the spec is due. Would you mind raising an issue on Github? https://github.com/xproc/3.0-specification/issues/

Gerrit

Gerrit Imsieke
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