IIRC org-add-note works in a way that is unexpected. I think it makes its actions happen after the command itself. I got bitten by that for something else; maybe it is related here.
Samuel -- The Kafka Pandemic: http://thekafkapandemic.blogspot.com/2010/12/welcome-to-kafka-pandemic-two-forces_9182.html I support the Whittemore-Peterson Institute (WPI) === I want to see the original (pre-hold) Lo et al. 2010 NIH/FDA/Harvard MRV paper.