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+.\" Copyright (c) 1980, 1991, 1993
+.\"	The Regents of the University of California.  All rights reserved.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\"    notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\"    notice, this list of conditions and the following disclaimer in the
+.\"    documentation and/or other materials provided with the distribution.
+.\" 3. All advertising materials mentioning features or use of this software
+.\"    must display the following acknowledgement:
+.\"	This product includes software developed by the University of
+.\"	California, Berkeley and its contributors.
+.\" 4. Neither the name of the University nor the names of its contributors
+.\"    may be used to endorse or promote products derived from this software
+.\"    without specific prior written permission.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+.\" SUCH DAMAGE.
+.\"
+.\"     @(#)ul.1	8.1 (Berkeley) 6/6/93
+.\"
+.Dd June 6, 1993
+.Dt UL 1
+.Os BSD 4
+.Sh NAME
+.Nm ul
+.Nd do underlining
+.Sh SYNOPSIS
+.Nm ul
+.Op Fl i
+.Op Fl t Ar terminal
+.Op Ar name Ar ...
+.Sh DESCRIPTION
+.Nm Ul
+reads the named files (or standard input if none are given)
+and translates occurrences of underscores to the sequence
+which indicates underlining for the terminal in use, as specified
+by the environment variable
+.Ev TERM .
+The
+.Pa terminfo
+database is read to determine the appropriate sequences for underlining.
+If the terminal is incapable of underlining, but is capable of
+a standout mode then that is used instead.
+If the terminal can overstrike,
+or handles underlining automatically,
+.Nm ul
+degenerates to
+.Xr cat 1 .
+If the terminal cannot underline, underlining is ignored.
+.Pp
+The following options are available:
+.Bl -tag -width Ds
+.It Fl i
+Underlining is indicated by a separate line containing appropriate
+dashes `\-'; this is useful when you want to look at the underlining
+which is present in an
+.Xr nroff
+output stream on a crt-terminal.
+.It Fl t Ar terminal
+Overrides the terminal type specified in the environment with
+.Ar terminal .
+.El
+.Sh ENVIRONMENT
+The following environment variable is used:
+.Bl -tag -width TERM
+.It Ev TERM
+The
+.Ev TERM
+variable is used to relate a tty device
+with its device capability description (see
+.Xr terminfo 5 ) .
+.Ev TERM
+is set at login time, either by the default terminal type
+specified in
+.Pa /etc/ttys
+or as set during the login process by the user in their
+.Pa login
+file (see
+.Xr setenv 1 ) .
+.El
+.Sh SEE ALSO
+.Xr man 1 ,
+.Xr nroff 1 ,
+.Xr colcrt 1
+.Sh BUGS
+.Xr Nroff
+usually outputs a series of backspaces and underlines intermixed
+with the text to indicate underlining.  No attempt is made to optimize
+the backward motion.
+.Sh HISTORY
+The
+.Nm
+command appeared in
+.Bx 3.0 .
+.Sh AVAILABILITY
+The ul command is part of the util-linux-ng package and is available from
+ftp://ftp.kernel.org/pub/linux/utils/util-linux-ng/.