I'm using:
PL/SQL Developer
Version 7.1.2.1363
12.41114 - 2 user license
Windows XP Professional 5.1 Build 2600 (Service Pack 2)
and accessing an Oracle 9i database with the following NLS parameters:
Parameter Value
NLS_CALENDAR GREGORIAN
NLS_CHARACTERSET AL32UTF8
NLS_COMP BINARY...