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+.TH NR-EVAL 1 "April 7, 2014" OpenBSD
+.SH NAME
+nr-eval \- numeric expressions in assignments to number registers
+.SH DESCRIPTION
+.nr mr 1
+1: \n(mr
+.br
+.nr mr nonumber
+nonumber: \n(mr
+.br
+.nr mr 3X
+3X: \n(mr
+.br
+.nr mr 4+
+4+: \n(mr
+.br
+.nr mr 2+3
+2+3: \n(mr
+.br
+.nr mr 1+1:
+1+1:: \n(mr
+.br
+.nr mr 10-3
+10-3: \n(mr
+.br
+.nr mr 4*2
+4*2: \n(mr
+.br
+.nr mr 27/3
+27/3: \n(mr
+.br
+.nr mr 58%16
+58%16: \n(mr
+.br
+.nr mr 11<?20
+11<?20: \n(mr
+.br
+.nr mr 30<?12
+30<?12: \n(mr
+.br
+.nr mr 7>?13
+7>?13: \n(mr
+.br
+.nr mr 14>?6
+14>?6: \n(mr
+.br
+.nr mr 2+3*3
+2+3*3: \n(mr
+.br
+.nr mr 16+(
+para at eol: \n(mr
+.br
+.nr mr (17
+unclosed para: \n(mr
+.br
+.nr mr (18)
+(18): \n(mr
+.br
+.nr mr ( 25 - 6 )
+( 25 - 6 ): \n(mr
+.br
+.nr mr 11+( 3*3 )
+11+( 3*3 ): \n(mr
+.br
+.nr mr 3+(3*(5==5*2)*4)+(3*5)/2
+3+(3*(5==5*2)*4)+(3*5)/2: \n(mr
+.br