key bindings

F1  -  doesn't work for me
F2  -  save all open files
F3  -  go to the position in the file at which it was previously closed
F4  -  word completion - cycle
F5  -  word completion - show list dialog
F6  -  show call-tip (when have call-tip enabled binary!)
F7  -  kill call-tip
F8  -  available
F9  -  available
F10 -  go to menu (reserved)
F11 -  post window background menu
F12 -  move pointer with arrow keys (reserved)
