.DISPLAY_LEVELS

   The .DISPLAY LEVELS command allows you to specify the form that
   sequential numbering (or lettering) of section headers will
   take. You can control the form of individual numbers within a
   section number for a header (that is, those numbers preceding
   or following a dot). This command does not change any values; it
   affects only the way the values are displayed.(See also .HEADER
   LEVEL, .NUMBER LEVEL, and .STYLE HEADERS.)

   Default Header Level Numbering

   Command            Nonchapter  Chapter n   Appendix A

   .HEADER LEVEL 1    1           n.1         A.1
   .HEADER LEVEL 2    1.1         n.1.1       A.1.1
   .HEADER LEVEL 3    1.1.1       n.1.1.1     A.1.1.1

   Format

     .DISPLAY LEVELS  [y1] [,y2]...[,y6]

   Abreviated format

     .DHL  [y1][,y2]...[,y6]
 

Additional information available:

Parameter       Default         Example