Previously, we have not defined or used a source header. Technically this is not needed, but its better to explicitly have one. Here is the link to the header we will start using for source code checked into Hibernate svn: http://hibernate.org/437.html It is part of a new section of the wiki I just started for centralizing developer- targetted information; it is still in its infancy: http://hibernate.org/436.html -- Steve Ebersole Hibernate Project Lead http://hibernate.org Principal Software Engineer http://redhat.com http://jboss.org