Upgraded to oXygen 5.1 from 5.0; vm = 1.5.0_01; os = CentOS (RHEL-3) Document | XML Document | Configure Transformation Scenario | Edit | Parameters Can no longer edit XSLT parameter values as default value (value1, 2 etc) are now constants; however no problem with inserting and/or modifying XSLT parameter names. Please advise. -- Ray