Thank you Matt. I'm glad that, for once, it wasn't the result of my failure to set something up!
Regards, Tim (Apologies for whatever format this message comes in... I'm using the google mobile groups app) -- You received this message because you are subscribed to the Google Groups "Racket Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to racket-users+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
