Debug XQuery Program

Question

In the beginning, I wrote a little XQuery script that was designed to do a small task and only that. Now it came out that this XQuery script is anything but complete, and I have

Answer 1

As Dimitre suggested, trace() is what I fall back on when nothing else works. Messy but it works.

Instead of: $foo := anyXqueryExpression

Do this: $foo := trace(anyXqueryExpression, "text")

Logs the result of executing anyXqueryExpression and adds the prefix "text".