Parameters

 

n1,n2,...n6

   Indicate positioned numbers in a section header. The commas
   correspond to the dots in the printed section number. For
   example, to set the next .HEADER LEVEL to 3.5.2.4, you would
   enter the following commands:

      .NUMBER LEVEL 3,5,2,4
      .HEADER LEVEL
 

+nN

   Adds n to the current value of the parameter N.
 

-nN

   Subtracts n from the current value of the parameter N.