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125 lines
4.0 KiB
Groff
Executable File
125 lines
4.0 KiB
Groff
Executable File
.\" Copyright (c) 1980, 1990, 1993
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.\" The Regents of the University of California. All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by the University of
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.\" California, Berkeley and its contributors.
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.\" 4. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" @(#)colcrt.1 8.1 (Berkeley) 6/30/93
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.\"
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.\" Modified for GNO (Apple IIgs) by Steve Reeves and Devin Reade's bsd2man
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.\"
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.\" $Id: colcrt.1,v 1.1 1998/02/17 03:12:28 gdr-ftp Exp $
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.\"
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.TH COLCRT 1 "January 22, 1998" GNO "Commands and Applications"
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.SH NAME
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.B colcrt
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\- filter nroff output for CRT previewing
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.SH SYNOPSIS
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.B colcrt
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[
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.B \-
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]
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[
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.B \-2
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]
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[
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.IR file " ..."
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]
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.br
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.B colcrt
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.B \-V
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.SH DESCRIPTION
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.B Colcrt
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provides virtual half-line and reverse line feed sequences
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for terminals without such capability, and on which overstriking
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is destructive.
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Half-line characters and underlining (changed to dashing `\-')
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are placed on new lines in between the normal output lines.
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.SH OPTIONS
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.IP \fB\-\fP
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Suppress all underlining.
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This option is especially useful for previewing
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.I allboxed
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tables from
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.BR tbl (1).
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.IP \fB\-2\fP
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Causes all half-lines to be printed, effectively double spacing the output.
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Normally, a minimal space output format is used which will suppress empty
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lines.
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The program never suppresses two consecutive empty lines, however.
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The
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.B \-2
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option is useful for sending output to the line printer when the output
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contains superscripts and subscripts which would otherwise be invisible.
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.IP \fB\-V\fR
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Prints version information and exits.
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.SH EXAMPLES
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A typical use of
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.B colcrt
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would be
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.sp
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.B "tbl exum2.n \&| nroff \-ms \&| colcrt \- \&| more"
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.SH BUGS
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Should fold underlines onto blanks even with the
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.B \-
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option so that
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a true underline character would show.
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.LP
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Can't back up more than 102 lines.
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.LP
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General overstriking is lost;
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as a special case
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.B \&|
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overstruck with
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.B \-
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or underline becomes
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.BR \&+ .
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.LP
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Lines are trimmed to 132 characters.
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.LP
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Some provision should be made for processing superscripts and subscripts
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in documents which are already double-spaced.
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.SH HISTORY
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The
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.B colcrt
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command appeared in
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3.0BSD.
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.SH ATTRIBUTIONS
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This command was ported from FreeBSD source code
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for distribution with GNO/ME 2.0.6.
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.LP
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This program contains material from the ORCA/C
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Run-Time Libraries, copyright 1987-1998
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by Byte Works, Inc. Used with permission.
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.SH "SEE ALSO"
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.BR col (1),
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.BR more (1),
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.BR nroff (1),
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.BR troff (1),
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.BR ul (1)
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