Thanks for filling in the technical details, Sven. In that case I guess the upgrade mechanism (the upgrade tool and the format of the .upgrade files, I guess) might have to be changed to accomodate this request. Whatever it takes, I think setting up a /usr partition which is preserved between upgrades would be of great benefit. We can all do it ourselves but the key is a having *standard* which we could pretty much be guaranteed that users have. Otherwise install scripts and installers themselves become much more complicated, methinks.

I hope this will at least be considered for the future.