d643ff21f4
colcrt(1) and nroff(1) where removed in r319664. Remove references to these commands in ul(1) man page. PR: 244127 Reported by: freebsd@tim.thechases.com Approved by: manpages (gbe@) Differential Revision: https://reviews.freebsd.org/D2614
91 lines
2.9 KiB
Groff
91 lines
2.9 KiB
Groff
.\" Copyright (c) 1980, 1991, 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. 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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.\" @(#)ul.1 8.1 (Berkeley) 6/6/93
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.\" $FreeBSD$
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.\"
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.Dd October 7, 2020
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.Dt UL 1
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.Os
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.Sh NAME
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.Nm ul
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.Nd do underlining
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.Sh SYNOPSIS
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.Nm
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.Op Fl i
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.Op Fl t Ar terminal
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.Op Ar
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.Sh DESCRIPTION
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The
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.Nm
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utility reads the named files (or standard input if none are given)
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and translates occurrences of underscores to the sequence
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which indicates underlining for the terminal in use, as specified
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by the environment variable
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.Ev TERM .
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The file
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.Pa /etc/termcap
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is read to determine the appropriate sequences for underlining.
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If the terminal is incapable of underlining, but is capable of
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a standout mode then that is used instead.
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If the terminal can overstrike,
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or handles underlining automatically,
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.Nm
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degenerates to
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.Xr cat 1 .
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If the terminal cannot underline, underlining is ignored.
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.Pp
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The following options are available:
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.Bl -tag -width indent
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.It Fl i
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Underlining is indicated by a separate line containing appropriate
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dashes
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.Ql \- .
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.It Fl t Ar terminal
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Overrides the terminal type specified in the environment with
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.Ar terminal .
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.El
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.Sh ENVIRONMENT
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The
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.Ev LANG , LC_ALL , LC_CTYPE
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and
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.Ev TERM
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environment variables affect the execution of
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.Nm
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as described in
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.Xr environ 7 .
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.Sh EXIT STATUS
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.Ex -std
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.Sh SEE ALSO
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.Xr man 1 ,
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.Xr mandoc 1
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.Sh HISTORY
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The
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.Nm
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command appeared in
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.Bx 3.0 .
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