regress/roff/string/zerolength.in

   1 .\" $OpenBSD: zerolength.in,v 1.3 2017/07/04 14:53:27 schwarze Exp $
   2 .TH STRING-ZEROLENGTH 1 "December 19, 2010"
   3 .SH NAME
   4 string-zerolength - handling of zero-length user-defined strings
   5 .SH DESCRIPTION
   6 .ds dszero "
   7 .de dezero
   8 ..
   9 use zero-length string:
  10 x\*[dszero]x
  11 .dszero
  12 x
  13 .PP
  14 use zero-length macro:
  15 x\*[dezero]x
  16 .dezero
  17 x