regress/roff/nr/undef.in

   1 .\" $OpenBSD: divzero.in,v 1.3 2017/07/04 14:53:27 schwarze Exp $
   2 .TH NR-UNDEF 1 "April 9, 2018"
   3 .SH NAME
   4 nr-undef \- using an undefined number register
   5 .SH DESCRIPTION
   6 The myr register is initially
   7 .ie rmyr defined.
   8 .el undefined.
   9 .PP
  10 Its initial value is \n[myr].
  11 .PP
  12 After interpolating it, is is now
  13 .ie rmyr defined.
  14 .el undefined.
  15 .PP
  16 .nr myr 1
  17 After defining it to \n[myr], it is of course still
  18 .ie rmyr defined.
  19 .el undefined.
  20 .PP
  21 .rr myr
  22 After removing it, it is again
  23 .ie rmyr defined.
  24 .el undefined.