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Annotation of mandoc/regress/roff/cond/string.in, Revision 1.5

1.5     ! schwarze    1: .\" $OpenBSD: string.in,v 1.5 2022/06/03 11:50:25 schwarze Exp $
        !             2: .TH STRING 1 "June 3, 2022"
1.1       schwarze    3: .SH NAME
                      4: string \- conditional testing whether a string is defined
                      5: .SH DESCRIPTION
                      6: .ie d mystr OOPS
                      7: .el mystr not yet defined
                      8: .br
                      9: .ds mystr mystrval
                     10: .ie d mystr now defined
                     11: .el OOPS
                     12: .if !d mystr OOPS
                     13: .PP
                     14: .ie d mymac OOPS
                     15: .el mymac not yet defined
                     16: .br
                     17: .de mymac
                     18: mymacval
                     19: ..
                     20: .ie dmymac now defined
                     21: .el OOPS
                     22: .if !d  mymac OOPS
                     23: .PP
                     24: .ie d myren OOPS
                     25: .el myren not yet defined
                     26: .br
                     27: .rn SM myren
                     28: .ie d myren now defined
                     29: .el OOPS
                     30: .if !d myren OOPS
1.2       schwarze   31: .PP
                     32: standard macro is
                     33: .ie d PP defined
                     34: .el not defined \(em OOPS
1.4       schwarze   35: .PP
                     36: identifier and tab:
                     37: .ie d mystr    mystr is defined
                     38: .el OOPS
                     39: .PP
                     40: escape sequence after identifier:
                     41: .ie d mystr\(enmystr is defined
                     42: .el OOPS
1.5     ! schwarze   43: .PP
        !            44: backslash in name:
        !            45: .ds \\ value
        !            46: .ie d \\ \e is defined
        !            47: .el OOPS
        !            48: .rm \\
        !            49: .if d \\ still defined!?
        !            50: .PP
        !            51: dot in name:
        !            52: .ds . value
        !            53: .ie d . \&. is defined
        !            54: .el OOPS
        !            55: .ie d \. \e. is defined
        !            56: .el OOPS
        !            57: .rm .
        !            58: .if d . still defined!?
        !            59: .PP
        !            60: invalid escape in name:
        !            61: .ds G value
        !            62: .ie d G G is defined
        !            63: .el OOPS
        !            64: .ie d \G \eG is defined
        !            65: .el OOPS
        !            66: .rm \G
        !            67: .if d G still defined!?