On Thu, Aug 9, 2012 at 5:51 PM, Rob Nickerson <rob.j.nickerson at gmail.com> wrote: > * maxspeed=120; 80?wet; 60?wet+hgv > > Here '?' can be interpreted as 'if' and '+' as 'and'. It's maybe more readable if you write "120; wet ? 80 ; wet+hgv ? 60" Pieren