Specifically, the three extensions below.
I have added them to the list in Tools/Preferences/Database/User Defined Extensions
but I can't figure out what types to set them to, and where they should appear in the GUI.
http://htmldb.oracle.com/pls/otn/f?p=42626:54:1251612617416849%3A%3A%3A%3AP54_ID:661 http://htmldb.oracle.com/pls/otn/f?p=42626:54:1251612617416849%3A%3A%3A%3AP54_ID:662 http://htmldb.oracle.com/pls/otn/f?p=42626:54:1251612617416849%3A%3A%3A%3AP54_ID:663