Hello David,

When I run the transformation under XProc as a p:xslt step, I am getting some errors that didn’t appear with Saxon. Try running the same transformation in Oxygen with Saxon-EE and check if you see the same errors. It's possible that Saxon-EE shows you a different set of errors.

(1)What XSLT engine is being used with XProc? Does Calabash provide its own engine? XML Calabash (within Oxygen) is configured to use Saxon-EE. A Saxon configuration file is located in Oxygen\lib\xproc\calabash\lib\saxon.config. This can be used to set the edition of Saxon (EE/PE/HE) and various Saxon settings. AFAIK, the command line XML Calabash bundles and uses Saxon-HE, but can probably be configured to use other XSLT engine implementations (Java).

(2)Can I control which engine is being used within XProc? For XML Calabash within Oxygen you can only control the edition of Saxon being used. See the saxon.config file I mentioned above. You can set configuration/@edition="PE" or configuration/@edition="HE".

If you're using XML Calabash in the command line (independently from Oxygen) I suspect it's possible to use various javax.xml.transform.TransformerFactory implementations, but don't have a clear configuration path for that. In theory, if the XSLT engine implements the javax.xml.transform.TransformerFactory service, it should also advertise it, so it should work by simply replacing one XSLT engine .jar library with another in the Java classpath. Regards, Adrian Adrian Buza oXygen XML Editor and Author Support Tel: +1-650-352-1250 ext.2020 Fax: +40-251-461482 On 11.01.2016 02:25, David Levy wrote:

I have just started to experiment with XProc.

Prior to using XProc, I have been transforming XML with XSLT and the transformation scenario lets me select among a number of transformation engines such as various flavors of Saxon. When I run the transformation under XProc as a p:xslt step, I am getting some errors that didn’t appear with Saxon. These are easily solved, but I wonder:

(1)What XSLT engine is being used with XProc? Does Calabash provide its own engine?

(2)Can I control which engine is being used within XProc?

With thanks,

David

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