<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Is there an implementation of software transactional memory, similar to <a href="http://clojure.org/refs">Clojure</a>'s, for PLT Scheme?<div><br></div><div>Thanks,</div><div>Jeff de Vries</div><div><br></div></body></html>