doctrine/doctrine2 — pull request #573 by EvanK (2013-02-07 19:01:27+00:00)
Title: [Documentation] Noted prePersist event only triggers on first persist

While probably obvious to a core doctrine developer, a user of doctrine would not necessarily know this without doing some digging or [stack overflowing](http://stackoverflow.com/questions/7934555/doctrine-2-prepersist-doesnt-fire)