regress/roff/cond/string.in

   1 .TH STRING 1 "June 14, 2017" OpenBSD
   2 .SH NAME
   3 string \- conditional testing whether a string is defined
   4 .SH DESCRIPTION
   5 .ie d mystr OOPS
   6 .el mystr not yet defined
   7 .br
   8 .ds mystr mystrval
   9 .ie d mystr now defined
  10 .el OOPS
  11 .if !d mystr OOPS
  12 .PP
  13 .ie d mymac OOPS
  14 .el mymac not yet defined
  15 .br
  16 .de mymac
  17 mymacval
  18 ..
  19 .ie dmymac now defined
  20 .el OOPS
  21 .if !d  mymac OOPS
  22 .PP
  23 .ie d myren OOPS
  24 .el myren not yet defined
  25 .br
  26 .rn SM myren
  27 .ie d myren now defined
  28 .el OOPS
  29 .if !d myren OOPS
  30 .PP
  31 standard macro is
  32 .ie d PP defined
  33 .el not defined \(em OOPS