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NR-INCR(1) General Commands Manual NR-INCR(1)
NNAAMMEE
nr-incr - increment a number register by accessing it
DDEESSCCRRIIPPTTIIOONN
Roff can count by merely accessing a number register: 1 2 3
It can also change the step size: 5 7 9
It can also count down: 6 3 0 -3
Down in negative steps is up: -1 1 3 5
Go to some other value, then continue incrementing with an unchanged
(negative) step size: 40 38 36
OpenBSD April 10, 2018 NR-INCR(1)
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