meillo@29: faff9ea75591fcc43e28a76a630570fb9c454e5e cs talk version
meillo@52: a41320ca9ab65d2a793c33ee0435dfd55617da8f draft version to proof-readers
meillo@60: eba2e5b8d36ffa4cc3bf4799ee8781a9872a9dfc version of seminar presentation