There is a google group dedicated to ggplot2. It might be worth making a post there: http://groups.google.com/group/ggplot2?pli=1 -- View this message in context: http://r.789695.n4.nabble.com/ggplot2-histograms-a-subtle-error-found-tp2305814p2311082.html Sent from the R help mailing list archive at Nabble.com.