viper-set-expert-level
viper-set-expert-level is an interactive compiled Lisp function in `viper-cmd.el
'.
(viper-set-expert-level &optional DONT-CHANGE-UNLESS)
Sets the expert level for a Viper user.
Can be called interactively to change (temporarily or permanently) the
current expert level.
The optional argument DONT-CHANGE-UNLESS, if not nil, says that
the level should not be changed, unless its current value is
meaningless (i.e., not one of 1,2,3,4,5).
User level determines the setting of Viper variables that are most
sensitive for VI-style look-and-feel.