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Annotation of mandoc/regress/roff/esc/B.in, Revision 1.2

1.2     ! schwarze    1: .\" $OpenBSD: B.in,v 1.3 2017/07/04 14:53:27 schwarze Exp $
        !             2: .Dd $Mdocdate: July 4 2017 $
1.1       schwarze    3: .Dt ESC-B 1
1.2     ! schwarze    4: .Os
1.1       schwarze    5: .Sh NAME
                      6: .Nm esc-B
                      7: .Nd the roff escape B sequence: validate numerical expression
                      8: .Sh DESCRIPTION
                      9: empty: \B''
                     10: .br
                     11: digit: \B'0'
                     12: .br
                     13: no number: \B'no number'
                     14: .br
                     15: trailing garbage: \B'1X'
                     16: .br
                     17: trailing operator: \B'1+'
                     18: .br
                     19: infix operator: \B'1+1'
                     20: .br
                     21: infix and trailing operator: \B'1+1+'
                     22: .br
                     23: chain of operations: \B'1+2+3+4'
                     24: .br
                     25: trailing para: \B'1+('
                     26: .br
                     27: unclosed para: \B'(1'
                     28: .br
                     29: empty pair of parentheses: \B'()'
                     30: .br
                     31: parentheses containing number: \B'(42)'
                     32: .br
                     33: complex expression: \B'3+(3*(5==5*2)*4)+(3*5)/2'
                     34: .br
                     35: other delimiter: \Bx1+1x
                     36: .br
                     37: no closing delimiter: \B'1+1