regress/roff/string/zerolength.in

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