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Annotation of mandoc/regress/roff/nr/incr.in, Revision 1.2

1.2     ! schwarze    1: .\" $OpenBSD: incr.in,v 1.1 2018/04/10 00:52:21 schwarze Exp $
1.1       schwarze    2: .TH NR-INCR 1 "April 10, 2018"
                      3: .SH NAME
                      4: nr-incr \- increment a number register by accessing it
                      5: .SH DESCRIPTION
                      6: .nr myr 0 1
                      7: Roff can count by merely accessing a number register:
                      8: \n+[myr]
                      9: \n+[myr]
                     10: \n+[myr]
                     11: .PP
                     12: .nr myr +0 1+1
                     13: It can also change the step size:
                     14: \n+[myr]
                     15: \n+[myr]
                     16: \n+[myr]
                     17: .PP
                     18: .nr myr +0 3
                     19: It can also count down:
                     20: \n-[myr]
                     21: \n-[myr]
                     22: \n-[myr]
                     23: \n-[myr]
                     24: .PP
                     25: .nr myr -0 -2
                     26: Down in negative steps is up:
                     27: \n-[myr]
                     28: \n-[myr]
                     29: \n-[myr]
                     30: \n-[myr]
1.2     ! schwarze   31: .PP
        !            32: .nr myr 42
        !            33: Go to some other value,
        !            34: then continue incrementing with an unchanged (negative) step size:
        !            35: \n+[myr]
        !            36: \n+[myr]
        !            37: \n+[myr]