[Michael Kay]

The sample application JDOMExample fails with Saxon
8.8. Saxon has introduced a check that all the
documents supplied as input to a transformation must
use the same Configuration: this is to ensure that they
have unique document numbers (fixing a bug that was
found in 8.7.3, which caused nodes in different
documents to be considered as duplicates).

This example builds the JDOM document using one
Configuration and then transforms it using another. A
corrected version of the application is attached to
this bug entry.

Replacement for samples/java/JDOMExample.java