"Eric Mahurin" <eric.mahurin / gmail.com> wrote in message >

> I added dups to Kalenkovich's code and saw the same 150+MB usage as
> Munkby's dup code.  I still don't understand this.

I'm not sure about Gustav's code, but for my one memory in duping option is 
eaten by normalization, that do not really need any duping at all.

--EK