Hi,

On Fri, Mar 29, 2013 at 9:09 AM, Dan Smith <dsmith@danplanet.com> wrote:

> I've attached a revised patch.

Thanks! I think it looks better than before, but I still feel like it's
a bit heavyweight. If it works, though...

Ok, attached patch is lighter weight (I've changed from a tree structure to a simple list) and should apply at current head.