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+.\" Hey, Emacs, edit this file in -*- nroff-fill -*- mode!
+.\" This module is believed to contain source code proprietary to AT&T.
+.\" Use and redistribution is subject to the Berkeley Software License
+.\" Agreement and your Software Agreement with AT&T (Western Electric).
+.\" Copyright (C) Caldera International Inc. 2001-2002.  All rights reserved.
+.\" 
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions are
+.\" met:
+.\" 
+.\" Redistributions of source code and documentation must retain the above
+.\" copyright notice, this list of conditions and the following
+.\" disclaimer.
+.\" 
+.\" 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.
+.\" 
+.\" All advertising materials mentioning features or use of this software
+.\" must display the following acknowledgement:
+.\" 
+.\" This product includes software developed or owned by Caldera
+.\" International, Inc.  Neither the name of Caldera International, Inc.
+.\" nor the names of other contributors may be used to endorse or promote
+.\" products derived from this software without specific prior written
+.\" permission.
+.\" 
+.\" USE OF THE SOFTWARE PROVIDED FOR UNDER THIS LICENSE BY CALDERA
+.\" INTERNATIONAL, INC.  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 CALDERA INTERNATIONAL, INC. 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) RISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+.\" 
+.\"
+.EH 'USD:22-%''A TROFF Tutorial'
+.OH 'A TROFF Tutorial''USD:22-%'
+.\".RP
+.\" .....TM 76-1273-7 39199 39199-11
+.ND
+.TL
+A TROFF Tutorial
+.AU "MH 2C-518" 6021
+Brian W. Kernighan
+(updated for 4.3BSD by Mark Seiden)
+.AI
+.\" What's this? .MH
+.\" And this? .OK
+\"Typesetting
+\"Text formatting
+\"NROFF
+.AB
+.PP
+.UL troff
+is a text-formatting program for
+typesetting on the
+.UX
+operating system.
+This device is capable of producing high quality
+text;
+this paper is an example of
+.UL troff
+output.
+.PP
+The phototypesetter itself normally runs with four fonts,
+containing roman, italic and bold letters 
+(as on this page),
+a full greek alphabet, and a substantial number of
+special characters and mathematical symbols.
+Characters can be printed in a range of sizes,
+and placed anywhere on the page.
+.PP
+.UL troff
+allows the user full control over fonts,
+sizes, and character positions,
+as well as the usual features of a formatter _
+right-margin justification, automatic hyphenation,
+page titling and numbering, and so on.
+It also provides macros, arithmetic variables and operations,
+and conditional testing, for complicated formatting tasks.
+.PP
+This document is an introduction to the most basic use of
+.UL troff .
+It presents just enough information to enable the user
+to do simple formatting
+tasks like making viewgraphs,
+and to make incremental changes to existing packages
+of
+.UL troff
+commands.
+In most respects, the 
+.UC UNIX
+formatter
+.UL nroff
+and a more recent version
+.ul
+(device-independent 
+.UL troff)
+are identical to
+the version described here, so this document also serves as a tutorial for
+them as well.
+.PP
+.vs 12p
+\fB\s+1NOTE: This document refers to the historical \f(BItroff\fB program, and
+not to \f(BIgroff\fB.  This is a first cut at importing the tutorial from
+4.4BSD, now that the code has been released.  It should at some time be modified
+to describe \f(BIgroff\fR.\s0
+.AE
+.nr LL 6.5i
+.nr LT 6.5i
+.\" Unknown macro .CS 13 1 14 0 0 5
+.if t .2C
+.nr PS 9
+.nr VS 11