regress/mdoc/Sm/scope.out_ascii

   1 SM-SCOPE(1)                 General Commands Manual                SM-SCOPE(1)
   2
   3 N\bNA\bAM\bME\bE
   4      S\bSm\bm-\b-s\bsc\bco\bop\bpe\be - scope of the spacing macro
   5
   6 D\bDE\bES\bSC\bCR\bRI\bIP\bPT\bTI\bIO\bON\bN
   7      Using an abbreviated example from the ksh(1) manual.
   8
   9      Modifiers can be applied to the ${_\bn_\ba_\bm_\be} form of parameter substitution:
  10
  11      ${_\bn_\ba_\bm_\be:-_\bw_\bo_\br_\bd}
  12              If _\bn_\ba_\bm_\be is set and not NULL, it is substituted; otherwise, _\bw_\bo_\br_\bd
  13              is substituted.
  14
  15      In the above modifiers, the `:' can be omitted, ...
  16
  17 OpenBSD                          July 4, 2017                          OpenBSD