1</TT
>.  If you do that, be careful
     of the possibility that a downgrade script might unexpectedly
     get applied because it yields a shorter path.  The risky case is where
     there is a <SPAN
CLASS="QUOTE"
>"fast path"</SPAN
> update script that jumps ahead several
     versions as well as a downgrade script to the fast path's start point.
     It might take fewer steps to apply the downgrade and then the fast
     path than to move ahead one version at a time.  If the downgrade script
     drops 