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Annotation of 43BSDReno/usr.bin/colcrt/colcrt.1, revision 1.1

1.1     ! root        1: .\" Copyright (c) 1980, 1990 The Regents of the University of California.
        !             2: .\" All rights reserved.
        !             3: .\"
        !             4: .\" Redistribution and use in source and binary forms are permitted provided
        !             5: .\" that: (1) source distributions retain this entire copyright notice and
        !             6: .\" comment, and (2) distributions including binaries display the following
        !             7: .\" acknowledgement:  ``This product includes software developed by the
        !             8: .\" University of California, Berkeley and its contributors'' in the
        !             9: .\" documentation or other materials provided with the distribution and in
        !            10: .\" all advertising materials mentioning features or use of this software.
        !            11: .\" Neither the name of the University nor the names of its contributors may
        !            12: .\" be used to endorse or promote products derived from this software without
        !            13: .\" specific prior written permission.
        !            14: .\" THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
        !            15: .\" WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
        !            16: .\" MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            17: .\"
        !            18: .\"     @(#)colcrt.1   6.6 (Berkeley) 7/24/90
        !            19: .\"
        !            20: .Dd July 24, 1990
        !            21: .Dt COLCRT 1
        !            22: .OS BSD 3
        !            23: .Sh NAME
        !            24: .Nm colcrt
        !            25: .Nd filter nroff output for CRT previewing
        !            26: .Sh SYNOPSIS
        !            27: .Nm colcrt
        !            28: .Op Fl
        !            29: .Op Fl \&2
        !            30: .Ar
        !            31: .Sh DESCRIPTION
        !            32: .Nm Colcrt
        !            33: provides virtual half-line and reverse line feed sequences
        !            34: for terminals without such capability, and on which overstriking
        !            35: is destructive.
        !            36: Half-line characters and underlining (changed to dashing `\-')
        !            37: are placed on new lines in between the normal output lines.
        !            38: .Pp
        !            39: .Tw Ds
        !            40: .Tp Fl
        !            41: Suppress all underlining.
        !            42: It is especially useful for previewing
        !            43: .Ar allboxed
        !            44: tables from
        !            45: .Xr tbl 1 .
        !            46: .Pp
        !            47: .Tp Fl 2
        !            48: Causes all half-lines to be printed, effectively double spacing the output.
        !            49: Normally, a minimal space output format is used which will suppress empty
        !            50: lines.
        !            51: The program never suppresses two consecutive empty lines, however.
        !            52: The
        !            53: .Fl 2
        !            54: option is useful for sending output to the line printer when the output
        !            55: contains superscripts and subscripts which would otherwise be invisible.
        !            56: .Tp
        !            57: .Pp
        !            58: A typical use of
        !            59: .Nm colcrt
        !            60: would be
        !            61: .Pp
        !            62: .Dl tbl exum2.n \&| nroff \-ms \&| colcrt \- \&| more
        !            63: .Sh SEE ALSO
        !            64: .Xr nroff 1 ,
        !            65: .Xr troff 1 ,
        !            66: .Xr col 1 ,
        !            67: .Xr more 1 ,
        !            68: .Xr ul 1
        !            69: .Sh HISTORY
        !            70: Appeared in 3 BSD.
        !            71: .Sh BUGS
        !            72: Should fold underlines onto blanks even with the
        !            73: .Sq Fl
        !            74: option so that
        !            75: a true underline character would show; if we did this, however,
        !            76: .Nm colcrt
        !            77: wouldn't get rid of
        !            78: .Ar cu'd
        !            79: underlining
        !            80: completely.
        !            81: .Pp
        !            82: Can't back up more than 102 lines.
        !            83: .Pp
        !            84: General overstriking is lost;
        !            85: as a special case `\&|' overstruck with `\-' or underline becomes `+'.
        !            86: .Pp
        !            87: Lines are trimmed to 132 characters.
        !            88: .Pp
        !            89: Some provision should be made for processing superscripts and subscripts
        !            90: in documents which are already double-spaced.

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