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+.\" 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).
+.\"
+.\"	@(#)tt.mac	8.1 (Berkeley) 6/8/93
+.\" 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.
+.\" 
+.\" $FreeBSD$
+.\"
+.tr _\(em
+.tr *\(**
+.de UL
+.if n .ul
+.if n \\$3\\$1\\$2
+.if t \\$3\f3\\$1\fP\\$2
+..
+.de UC
+\\$3\s-1\\$1\s+1\\$2
+..
+.de C
+.if n .ul
+.if n \\$3\\$1\\$2
+.if t \\$3\f3\\$1\fP\\$2
+..
+.de IT
+.if t \\$3\f2\\$1\fP\\$2
+.if n .ul
+.if n \\$3\\$1\\$2
+..
+.de UI
+\f3\\$1\fI\\$2\fR\\$3
+..
+.de P1
+.if n .ls 1
+.nf
+.\" use first argument as indent if present
+.if \\n(.$ .DS I \\$1
+.if !\\n(.$ .DS I 5
+.ta .75i 1.5i 2.25i 3i 3.75i
+.tr '\'
+..
+.de P2
+.tr ''
+.DE
+.if n .ls 2
+.lg
+..
+.if t .ds m \(mi
+.if n .ds m -
+.if t .ds n \(no
+.if n .ds n -
+.if t .ds s \v'.41m'\s+4*\s-4\v'-.41m'
+.if n .ds s *
+.if t .ds S \(sl
+.if n .ds S /
+.if t .ds d \s+4\&.\&\s-4
+.if n .ds d \&.\&
+.if t .ds a \z@@
+.if n .ds a @
+.hy 14
+.\" XXX is this supposed to be a comment? .	2=not last lines; 4= no -xx; 8=no xx-
+.de WS
+.sp \\$1
+..
+.\"   ACCENTS  say \*'e or \*`e to get e acute or e grave
+.ds ' \h'\w'e'u*4/10'\z\(aa\h'-\w'e'u*4/10'
+.ds e \o"e\'"
+.ds ` \h'\w'e'u*4/10'\z\(ga\h'-\w'e'u*4/10'
+.\"   UMLAUT  \*:u, etc.
+.ds : \v'-0.6m'\h'(1u-(\\n(.fu%2u))*0.13m+0.06m'\z.\h'0.2m'\z.\h'-((1u-(\\n(.fu%2u))*0.13m+0.26m)'\v'0.6m'
+.\"  TILDE and CIRCUMFLEX
+.ds ^ \\k:\h'-\\n(.fu+1u/2u*2u+\\n(.fu-1u*0.13m+0.06m'\z^\h'|\\n:u'
+.ds ~ \\k:\h'-\\n(.fu+1u/2u*2u+\\n(.fu-1u*0.13m+0.06m'\z~\h'|\\n:u'
+.de BD
+\&\\$3\f1\\$1\h\(ts-\w\(ts\\$1\(tsu+1u\(ts\\$1\fP\\$2\&
+..
+.hw semi-colon