[r-t] Big searches

[Mark Davies]

Don writes,

> Thus a shunt is when I have two edges between the same two nodes, so it
> can be picked up statically, during setup.

Ah right, I misunderstood the scope of what you were doing earlier. I've not
looked carefully at multi-parts for a while; all one-parts for me recently.

> It's particularly a big win in the toy example being discussed (either
> Yorkshire or Rutland ;-) as bobs only, all 24 56s means there are some
> nodes each of which *must* be included

Hmm, you can do this in SMC32 too ("musthave" blocks) however, again, not
for multiparts... If only there were more time in this world!

MBD