From: Edward Burns <edward.burns_at_oracle.com>
Date: Fri, 15 Mar 2013 20:16:06 -0700

>>>>> On Tue, 12 Mar 2013 22:50:55 -0500, Leonardo Uribe <lu4242_at_gmail.com> said:

LU> Unfortunately, the solution proposed is limited to work in just 1 or
LU> 2 nesting levels, because structurally it can't deal with the
LU> problem. Why? because the outer flow has its own navigation rules
LU> and the algorithm should detect that and apply the algorithm using
LU> those rules and so on to the top.

Thanks for playing this out so explicitly. I'm going to code up your
example and see what I can come up with.

Ed