regress/roff/nr/rr.out_ascii

   1 NR-RR(1)                    General Commands Manual                   NR-RR(1)
   2
   3 N\bNA\bAM\bME\bE
   4        nr-rr - defining and undefining number registers
   5
   6 D\bDE\bES\bSC\bCR\bRI\bIP\bPT\bTI\bIO\bON\bN
   7        non-null values: 2 4
   8        unset values: 0 0 0
   9
  10 OpenBSD                          April 5, 2014                        NR-RR(1)