Hi Ken, Thanks for the feedback. If you have a jar file with the extension function, you can add the jar in the transformation or validation scenario extensions. Find more details in our user manual: https://www.oxygenxml.com/doc/versions/26.0/ug-editor/topics/xslt-xquery-ext... If you just want to ignore the validation problem, you can use enable the ignore problems support. To do this, open the Preferences dialog box (Options > Preferences) and go to Editor > Document Validation > Ignored Validation Problems. Then you can use the quick fixes to inore the problem in the document or in all the documents. Find more details in our user manual. https://www.oxygenxml.com/doc/versions/26.0/ug-editor/topics/preferences-ign... Best Regards, Octavian On 2/22/2024 9:53 PM, G. Ken Holman wrote:

Hi!

My editor is correctly flagging the reference to an undefined user-defined function with arity 2.

It happens I have extended my XSLT processor with this functionality, so I want to teach oXygen about the existence of the function so that it won't complain. In my environment, the stylesheet runs without error, so I don't need the tool to tell me the reference is in error.

Where do I do that?

Thanks!

. . . . . . Ken

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