The .SET LEVEL command allows you to preset the level of the
next section head without entering a .HEADER LEVEL command (see
.HEADER LEVEL).
Format
.SET LEVEL [+/-]n
Abreviated format
.SL [+/-]n
1 – Parameters
n
Specifies the level for the next .HEADER LEVEL command.
+n
Makes the level for the next .HEADER LEVEL command n more than
the current level.
-n
Makes the level for the next .HEADER LEVEL command n less than
the current level.