It works for ....
... ah, I'll shut up.
EDIT
I've tried backing and forwarding around CF from threads to forum views etc, and it all works normally. But I have a nagging half-memory of finding this to be a problem recently, because I remember noticing that IE doesn't do it. But now I can't remember where I saw it (whether it's somethin FF used to do on my PC, or possibly whether it was my home (Mac) version) that was playing up. I'll try my Mac version later if I get a chance, I'm curious now.