Many thanks, Jens Axel! That looks very good and includes several techniques that will help and inspire me, in particular for*/matrix, which I hadn't used yet.
I'll try it out the next chance I get. -- 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.
