regress/mdoc/Sm/scope.in

   1 .\" $OpenBSD: scope.in,v 1.4 2017/07/04 14:53:26 schwarze Exp $
   2 .Dd $Mdocdate: July 4 2017 $
   3 .Dt SM-SCOPE 1
   4 .Os
   5 .Sh NAME
   6 .Nm Sm-scope
   7 .Nd scope of the spacing macro
   8 .Sh DESCRIPTION
   9 Using an abbreviated example from the
  10 .Xr ksh 1
  11 manual.
  12 .Pp
  13 Modifiers can be applied to the
  14 .Pf ${ Ns Ar name Ns }
  15 form of parameter substitution:
  16 .Bl -tag -width Ds
  17 .Sm off
  18 .It ${ Ar name No :- Ar word No }
  19 .Sm on
  20 If
  21 .Ar name
  22 is set and not
  23 .Dv NULL ,
  24 it is substituted; otherwise,
  25 .Ar word
  26 is substituted.
  27 .El
  28 .Pp
  29 In the above modifiers, the
  30 .Ql \&:
  31 can be omitted, ...