i've created a little patch, that changes the way autofill works: pressing the button does not clear the timetable, and it starts filling up wherever the train is at. clearing the timetable became a separate button.
it's very handy if you want to set up a route with a predefined amout of waiting time (for a ratings bonus at a pickup station and even some goods taken on the first trip) without having the train to run an entire round filling the timetable first.
works wonders with quick goto & timetable separation
ps: i also removed the sticky button from the timetable window, as it became unneeded, and made all 3 sub-windows of the vehicle view (orders,timetable,info) close eachother (timetable didn't, but the other two did already)