> WAComponent>>isolate: seems related, but I can't find documentation on > how to use it. Is that what I'm looking for? Yes, #isolate: is what you are looking for. For some documentation see "6.2 Transactions" in http://www.iam.unibe.ch/~scg/Archive/Papers/Duca04eSeaside.pdf. Lukas -- Lukas Renggli http://www.lukas-renggli.ch