1NR-INCR(1)                  General Commands Manual                 NR-INCR(1)
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5NNAAMMEE
6       nr-incr - increment a number register by accessing it
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8DDEESSCCRRIIPPTTIIOONN
9       Roff can count by merely accessing a number register: 1 2 3
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11       It can also change the step size: 5 7 9
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13       It can also count down: 6 3 0 -3
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15       Down in negative steps is up: -1 1 3 5
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17       Go to some other value, then continue incrementing with an unchanged
18       (negative) step size: 40 38 36
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22OpenBSD                         April 10, 2018                      NR-INCR(1)
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