.\" Copyright (c) 1980, 1990 The Regents of the University of California.
.\" All rights reserved.
.\"
-.\" Redistribution and use in source and binary forms are permitted provided
-.\" that: (1) source distributions retain this entire copyright notice and
-.\" comment, and (2) distributions including binaries display the following
-.\" acknowledgement: ``This product includes software developed by the
-.\" University of California, Berkeley and its contributors'' in the
-.\" documentation or other materials provided with the distribution and in
-.\" all advertising materials mentioning features or use of this software.
-.\" 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 ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
-.\" WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
-.\" MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+.\" 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.
.\"
-.\" @(#)expand.1 6.5 (Berkeley) 7/24/90
+.\" 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.
.\"
-.Dd July 24, 1990
+.\" @(#)expand.1 6.7 (Berkeley) 7/26/91
+.\"
+.Dd July 26, 1991
.Dt EXPAND 1
.Os BSD 4
.Sh NAME
.Nd expand tabs to spaces, and vice versa
.Sh SYNOPSIS
.Nm expand
-.Oo
-.Op Fl Ar tabstop
-.Op Fl Ar tab1,tab2,...,tabn
-.Oo
+.Op Fl Ns Ar tabstop
+.Op Fl Ns Ar tab1,tab2,...,tabn
.Ar
.Nm unexpand
.Op Fl a
Option (with
.Nm unexpand
only):
-.Tw Ds
-.Tp Fl a
+.Bl -tag -width flag
+.It Fl a
By default, only leading blanks and tabs
are reconverted to maximal strings of tabs. If the
.Fl a
option is given, then tabs are inserted whenever they would compress the
resultant file by replacing two or more characters.
-.Tp
+.El
.Sh HISTORY
-.Nm Expand
-appeared in 3 BSD.
+The
+.Nm expand
+command appeared in
+.Bx 3.0 .
projects / unix-history / blobdiff