On Thu, Jun 06, 2013 at 11:03:25AM +0100, Richard Porter wrote: > I've noticed that since quite recently NS has been preserving visited > link status over several sessions instead of starting from scratch > each time.
This has always been the case. A link is "visited" if it is in the history (or rather, in the urldb with a non-zero "visited" count.) The only recent change is that we re-enabled the code to colour links differently if they had a non-zero visited count. B.