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+.\"	$OpenBSD: unvis.1,v 1.8 2013/08/12 14:19:53 jmc Exp $
+.\"	$NetBSD: unvis.1,v 1.3 1994/12/06 07:36:08 jtc Exp $
+.\"
+.\" Copyright (c) 1989, 1990, 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. 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.
+.\"
+.\"     @(#)unvis.1	8.1 (Berkeley) 6/6/93
+.\"
+.Dd $Mdocdate: August 12 2013 $
+.Dt UNVIS 1
+.Os
+.Sh NAME
+.Nm unvis
+.Nd revert a visual representation of data back to original form
+.Sh SYNOPSIS
+.Nm unvis
+.Op Ar
+.Sh DESCRIPTION
+.Nm unvis
+is the inverse function of
+.Xr vis 1 .
+It reverts
+a visual representation of data back to its original form on standard output.
+.Sh SEE ALSO
+.Xr vis 1 ,
+.Xr unvis 3 ,
+.Xr vis 3
+.Sh HISTORY
+The
+.Nm
+command appeared in
+.Bx 4.4 .