Major Section: HISTORY
Example: :ubu! :x-4
The keyword command :ubu!
is the same as :
ubu
, but with
related queries suppressed appropriately, and with a guarantee that it is
``error-free.'' More precisely, the error triple returned by :ubu!
will
always be of the form (mv nil val state)
. :
Oops
will undo the
last :ubu!
. Also see ubu, see ubt, and see u.