regress/roff/string/zerolength.out_ascii

   1 STRING-ZEROLENGTH(1)        General Commands Manual       STRING-ZEROLENGTH(1)
   2
   3 N\bNA\bAM\bME\bE
   4        string-zerolength - handling of zero-length user-defined strings
   5
   6 D\bDE\bES\bSC\bCR\bRI\bIP\bPT\bTI\bIO\bON\bN
   7        use zero-length string: xx x
   8
   9        use zero-length macro: xx x
  10
  11 OpenBSD                        December 19, 2010          STRING-ZEROLENGTH(1)