$OpenBSD: undef.in,v 1.1 2018/04/09 22:26:25 schwarze Exp $
NR-UNDEF 1 "April 9, 2018"
NAME
nr-undef - using an undefined number register
DESCRIPTION
The myr register is initially
Its initial value is \n[myr].
After interpolating it, is is now
.nr myr 1 After defining it to \n[myr], it is of course still
.rr myr After removing it, it is again