.TH NR-RR 1 "April 5, 2014" OpenBSD
.SH NAME
nr-rr \- defining and undefining number registers
.SH DESCRIPTION
.nr key1 1
.nr key2 2
.nr key3 3
.nr key4 4
.nr key5 5
.rr key1
.rr key3
.rr key5
non-null values: \n[key2] \n[key4]
.br
unset values: \n[key1] \n[key3] \n[key5]