I can reproduce it and I think my observations above are completely correct. So I raised an issue.
http://code.google.com/p/web2py/issues/detail?id=1313 -- --- You received this message because you are subscribed to the Google Groups "web2py-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to web2py+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.