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Annotation of mandoc/regress/roff/string/undef.in, Revision 1.1

1.1     ! schwarze    1: .\" $OpenBSD: std.in,v 1.2 2017/07/04 14:53:27 schwarze Exp $
        !             2: .TH STRING-UNDEF 1 "April 9, 2018"
        !             3: .SH NAME
        !             4: string-undef - expanding undefined strings
        !             5: .SH DESCRIPTION
        !             6: .SS User defined string
        !             7: The sting "mys" is
        !             8: .ie dmys defined
        !             9: .el undefined
        !            10: and remains
        !            11: .ie dmys defined.
        !            12: .el undefined.
        !            13: .PP
        !            14: Its value is "\*[mys]", and now it is
        !            15: .ie dmys defined,
        !            16: .el undefined,
        !            17: and its value is still "\*[mys]".
        !            18: .PP
        !            19: .ds mys newval
        !            20: After redefining it to "\*[mys]", it is of course still
        !            21: .ie dmys defined.
        !            22: .el undefined.
        !            23: .PP
        !            24: .rm mys
        !            25: After removing the definition, it is now
        !            26: .ie dmys defined.
        !            27: .el undefined.
        !            28: .SS User defined macro
        !            29: The macro "mym" is
        !            30: .ie dmym defined.
        !            31: .el undefined.
        !            32: .PP
        !            33: It has no effect:
        !            34: .mym
        !            35: But now it is
        !            36: .ie dmym defined.
        !            37: .el undefined.
        !            38: .PP
        !            39: .de mym
        !            40: neweffect
        !            41: ..
        !            42: After defining it as:
        !            43: .mym
        !            44: it is of course still
        !            45: .ie dmym defined.
        !            46: .el undefined.
        !            47: .PP
        !            48: .rm mym
        !            49: After removing the definition, it is now
        !            50: .ie dmym defined.
        !            51: .el undefined.
        !            52: .SS Renamed macro
        !            53: The standard .BR macro is
        !            54: .ie dBR defined,
        !            55: .el undefined,
        !            56: and it
        !            57: .BR works .
        !            58: .PP
        !            59: .rn BR newBR
        !            60: After renaming it, the new name is
        !            61: .ie dnewBR defined,
        !            62: .el undefined,
        !            63: and
        !            64: .newBR works .
        !            65: .SS Predefined string
        !            66: A predefined string is
        !            67: .ie dR defined
        !            68: .el undefined
        !            69: and has the value "\*R".