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+.\"	$NetBSD: fold.1,v 1.17 2012/05/12 15:17:15 wiz Exp $
+.\"
+.\" Copyright (c) 1980, 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.
+.\"
+.\"	@(#)fold.1	8.1 (Berkeley) 6/6/93
+.\"
+.Dd May 12, 2012
+.Dt FOLD 1
+.Os
+.Sh NAME
+.Nm fold
+.Nd "fold long lines for finite width output device"
+.Sh SYNOPSIS
+.Nm
+.Op Fl bs
+.Op Fl w Ar width
+.Op Ar
+.Sh DESCRIPTION
+.Nm
+is a filter which folds the contents of the specified files,
+or the standard input if no files are specified,
+breaking the lines to have a maximum of 80 characters.
+.Pp
+The options are as follows:
+.Bl -tag -width XwXwidthXX
+.It Fl b
+Count
+.Ar width
+in bytes rather than column positions.
+.It Fl s
+Fold line after the last blank character within the first
+.Ar width
+column positions (or bytes).
+If a blank character does not exist within the width, then
+a longer line will still be split at the width.
+.It Fl w Ar width
+Specifies
+.Ar width
+to use as a line width, instead of the default 80 characters.
+.El
+.Sh ENVIRONMENT
+.Bl -tag -width indent
+.It Ev LC_CTYPE
+.El
+.Sh EXIT STATUS
+.Ex -std
+.Sh SEE ALSO
+.Xr expand 1 ,
+.Xr fmt 1
+.Sh STANDARDS
+The
+.Nm
+utility conforms to
+.St -p1003.1-2008 .
+.Sh HISTORY
+The
+.Nm
+utility appeared in
+.Bx 1 .
+.Sh BUGS
+If underlining is present it may be messed up by folding.
+.Pp
+.Ar Width
+should be a multiple of 8 if tabs are present, or the tabs should
+be expanded using
+.Xr expand 1
+before using
+.Nm .