"Fernstrom, Christer" wrote: > I haven't found parts of the ZOPE API that deals with handling versions, but I was playing with the idea The source for transactions is in /lib/python/ZODB/Transaction.py Versions save, info and discard are in /lib/python/App/ApplicationManager.py -- Tim Cook, President - FreePM,Inc. http://www.FreePM.com Office: (901) 884-4126 ONLINE DEMO: http://www.freepm.org:8080/FreePM