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+.\" Copyright (c) 1980 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.
+.\"
+.\"	@(#)backgammon.6	6.6 (Berkeley) 8/3/91
+.\"
+.TH BACKGAMMON 6  "August 3, 1991"
+.UC 5
+.SH NAME
+backgammon \- the game of backgammon
+.SH SYNOPSIS
+.B backgammon
+[ - ] [ n r w b pr pw pb t\c
+.I term
+s\c
+.I file
+]
+.SH DESCRIPTION
+This program lets you play backgammon against the computer
+or against a "friend".
+All commands only are one letter,
+so you don't need to type a carriage return,
+except at the end of a move.
+The program is mostly self documenting,
+so that a question mark (?) will usually get some help.
+If you answer `y' when the program asks if you want the rules,
+you will get text explaining the rules of the game,
+some hints on strategy,
+instruction on how to use the program,
+and a tutorial consisting of a practice game against the computer.
+A description of how to use the program can be
+obtained by answering `y' when it asks if you want instructions.
+.PP
+The possible arguments for backgammon
+(most are unnecessary but some are very convenient)
+consist of:
+.ne 11
+.PP
+.na
+.TP 8
+.B n
+don't ask for rules or instructions
+.TP 8
+.B r
+player is red (implies n)
+.TP 8
+.B w
+player is white (implies n)
+.TP 8
+.B b
+two players, red and white (implies n)
+.TP 8
+.B pr
+print the board before red's turn
+.TP 8
+.B pw
+print the board before white's turn
+.TP 8
+.B pb
+print the board before both player's turn
+.TP 8
+.B t\fIterm
+terminal is type
+.IR term ,
+uses /etc/termcap
+.TP 8
+.B s\fIfile
+recover previously saved game from
+.IR file .
+(This can also be done by executing the saved file,
+i.e., typing its name in as a command)
+.ad
+.PP
+Arguments may be optionally preceded by a `-'.
+Several arguments may be concatenated together,
+but not after `s' or `t' arguments,
+since they can be followed by an arbitrary string.
+Any unrecognized arguments are ignored.
+An argument of a lone `-' gets a description of possible arguments.
+.PP
+If
+.IR term
+has capabilities for direct cursor movement (see
+.IR termcap (5))
+.IR backgammon
+``fixes'' the board after each move,
+so the board does not need to be reprinted,
+unless the screen suffers some horrendous malady.
+Also, any `p' option will be ignored.
+(The `t' option is not necessary unless the terminal type does not match
+the entry in the /etc/termcap data base.)
+.SH QUICK\ REFERENCE
+When the program prompts by typing only your color,
+type a space or carriage return to roll, or
+.ne 5
+.PP
+.na
+.TP 8
+.B d
+to double
+.TP 8
+.B p
+to print the board
+.TP 8
+.B q
+to quit
+.TP 8
+.B s
+to save the game for later
+.PP
+.i0
+.ad
+When the program prompts with 'Move:', type
+.ne 4
+.PP
+.na
+.TP 8
+.B p
+to print the board
+.TP 8
+.B q
+to quit
+.TP 8
+.B s
+to save the game
+.ad
+.i0
+.PP
+or a
+.IR move ,
+which is a sequence of
+.ne 4
+.PP
+.na
+.TP 8
+.B s-f
+move from
+.BR s
+to
+.BR f
+.TP 8
+.B s/r
+move one man on
+.BR s
+the roll
+.BR r
+.ad
+.PP
+separated by commas or spaces and ending with a newline.
+Available abbreviations are
+.ne 4
+.PP
+.na
+.TP 10
+.B s-f1-f2
+means
+.BR s-f1,f1-f2
+.TP 10
+.B s/r1r2
+means
+.BR s/r1,s/r2
+.ad
+.PP
+Use `b' for bar and `h' for home,
+or 0 or 25 as appropriate.
+.SH AUTHOR
+Alan Char
+.SH FILES
+.TP 25
+/usr/games/teachgammon
+\- rules and tutorial
+.br
+.TP 25
+/etc/termcap
+\- terminal capabilities
+.SH BUGS
+.PP
+The program's strategy needs much work.