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desc
@@


1.3
log
@Switching exporter and resync
@
text
@.\" 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).
.\"
.\"	@@(#)tt01	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: head/share/doc/usd/22.trofftut/tt01 96897 2002-05-19 03:37:41Z grog $
.\"
.NH
Introduction
.tr ^.
.PP
.UL troff
[1]
is a text-formatting program,
written originally by J. F. Ossanna,
for producing
high-quality printed output from the phototypesetter
on the
.UC UNIX
operating system.
This document is an example of
.UL troff
output.
.PP
The single most important rule
of using
.UL troff
is
not to use it directly, but through some intermediary.
In many ways,
.UL troff
resembles an assembly language _
a remarkably powerful and flexible one _
but nonetheless such that many operations must be specified
at a level of detail and in a form that is too hard 
for most people to use effectively.
.PP
For two special applications, there are programs that provide
an interface to
.UL troff
for the majority of users.
.UL eqn 
[2]
provides an easy to learn language for typesetting mathematics;
the 
.UL eqn
user
need know no 
.UL troff
whatsoever
to typeset mathematics.
.UL tbl
[3]
provides the same convenience for producing tables of arbitrary
complexity.
.PP
For producing straight text (which may well contain mathematics or tables), there are a number of `macro packages'
that define formatting rules and operations for specific styles
of documents,
and reduce the amount of
direct contact with 
.UL troff .
In particular, the `\-ms'
[4], 
PWB/MM [5], and `\-me' [6]
packages
for internal memoranda and external papers
provide most of the facilities needed
for a wide range of document preparation.\(dg
.FS
\(dg Most Berkeley Unix sites only have \-ms and \-me.
.FE
(This memo was prepared with `\-ms'.)
There are also packages for viewgraphs,
for simulating the older
.UL roff
formatters,
and for other special applications.
Typically you will find these packages easier to use
than
.UL troff
once you get beyond the most trivial operations;
you should always consider them first.
.PP
In the few cases where existing packages don't do the whole job,
the solution is
.ul
not
to write an entirely new set of
.UL troff
instructions from scratch, but to make small changes
to adapt packages that already exist.
.WS
.PP
In accordance with this philosophy of letting someone else
do the work,
the part of
.UL troff
described here is only a small part of the whole,
although it tries to concentrate on the more useful parts.
In any case, there is no attempt to be complete.
Rather, the emphasis is on showing how to do simple things,
and how to make incremental changes to what already exists.
The contents of the remaining sections are:
.sp
.nf
.in .1i
.ta .3i
\02.	Point sizes and line spacing
\03.	Fonts and special characters
\04.	Indents and line length
\05.	Tabs
\06.	Local motions: Drawing lines and characters
\07.	Strings
\08.	Introduction to macros
\09.	Titles, pages and numbering
10.	Number registers and arithmetic
11.	Macros with arguments
12.	Conditionals
13.	Environments
14.	Diversions
	Appendix: Typesetter character set
.sp
.in 0
.fi
The
.UL troff
described here is the C-language version supplied with 
.UC UNIX
Version 7 and 32V as documented in [1].
.WS
.PP
To use
.UL troff
you have to prepare not only the actual text you want printed,
but some information that tells
.ul
how
you want it printed.
(Readers who use
.UL roff
will find the approach familiar.)
For
.UL troff
the text
and
the formatting information are often intertwined quite intimately.
Most commands to
.UL troff
are placed on a line separate from the text itself,
beginning with a period (one command per line).
For example,
.P1
Some text.
^ps 14
Some more text.
.P2
will change the `point size',
that is,
the size of the letters being printed,
to `14 point' (one point is 1/72 inch) like this:
.P1
.fi
Some text.
.ps 14
Some more text.
.ps 10
.P2
.PP
Occasionally, though,
something special occurs in the middle of a line _
to produce
.P1
Area = \(*p\fIr\fR\|\s8\u2\d\s0
.P2
you have to type
.P1
Area = \e(*p\efIr\efR\e\^|\^\es8\eu2\ed\es0
.P2
(which we will explain shortly).
The backslash character
.BD  \e 
is used 
to introduce
.UL troff
commands and special characters within a line of text.
@


1.3.2.1
log
@file tt01 was added on branch RELENG_8_4 on 2013-03-28 13:03:41 +0000
@
text
@d1 223
@


1.3.2.2
log
@## SVN ## Exported commit - http://svnweb.freebsd.org/changeset/base/248810
## SVN ## CVS IS DEPRECATED: http://wiki.freebsd.org/CvsIsDeprecated
@
text
@a0 223
.\" 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).
.\"
.\"	@@(#)tt01	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: releng/8.4/share/doc/usd/22.trofftut/tt01 96897 2002-05-19 03:37:41Z grog $
.\"
.NH
Introduction
.tr ^.
.PP
.UL troff
[1]
is a text-formatting program,
written originally by J. F. Ossanna,
for producing
high-quality printed output from the phototypesetter
on the
.UC UNIX
operating system.
This document is an example of
.UL troff
output.
.PP
The single most important rule
of using
.UL troff
is
not to use it directly, but through some intermediary.
In many ways,
.UL troff
resembles an assembly language _
a remarkably powerful and flexible one _
but nonetheless such that many operations must be specified
at a level of detail and in a form that is too hard 
for most people to use effectively.
.PP
For two special applications, there are programs that provide
an interface to
.UL troff
for the majority of users.
.UL eqn 
[2]
provides an easy to learn language for typesetting mathematics;
the 
.UL eqn
user
need know no 
.UL troff
whatsoever
to typeset mathematics.
.UL tbl
[3]
provides the same convenience for producing tables of arbitrary
complexity.
.PP
For producing straight text (which may well contain mathematics or tables), there are a number of `macro packages'
that define formatting rules and operations for specific styles
of documents,
and reduce the amount of
direct contact with 
.UL troff .
In particular, the `\-ms'
[4], 
PWB/MM [5], and `\-me' [6]
packages
for internal memoranda and external papers
provide most of the facilities needed
for a wide range of document preparation.\(dg
.FS
\(dg Most Berkeley Unix sites only have \-ms and \-me.
.FE
(This memo was prepared with `\-ms'.)
There are also packages for viewgraphs,
for simulating the older
.UL roff
formatters,
and for other special applications.
Typically you will find these packages easier to use
than
.UL troff
once you get beyond the most trivial operations;
you should always consider them first.
.PP
In the few cases where existing packages don't do the whole job,
the solution is
.ul
not
to write an entirely new set of
.UL troff
instructions from scratch, but to make small changes
to adapt packages that already exist.
.WS
.PP
In accordance with this philosophy of letting someone else
do the work,
the part of
.UL troff
described here is only a small part of the whole,
although it tries to concentrate on the more useful parts.
In any case, there is no attempt to be complete.
Rather, the emphasis is on showing how to do simple things,
and how to make incremental changes to what already exists.
The contents of the remaining sections are:
.sp
.nf
.in .1i
.ta .3i
\02.	Point sizes and line spacing
\03.	Fonts and special characters
\04.	Indents and line length
\05.	Tabs
\06.	Local motions: Drawing lines and characters
\07.	Strings
\08.	Introduction to macros
\09.	Titles, pages and numbering
10.	Number registers and arithmetic
11.	Macros with arguments
12.	Conditionals
13.	Environments
14.	Diversions
	Appendix: Typesetter character set
.sp
.in 0
.fi
The
.UL troff
described here is the C-language version supplied with 
.UC UNIX
Version 7 and 32V as documented in [1].
.WS
.PP
To use
.UL troff
you have to prepare not only the actual text you want printed,
but some information that tells
.ul
how
you want it printed.
(Readers who use
.UL roff
will find the approach familiar.)
For
.UL troff
the text
and
the formatting information are often intertwined quite intimately.
Most commands to
.UL troff
are placed on a line separate from the text itself,
beginning with a period (one command per line).
For example,
.P1
Some text.
^ps 14
Some more text.
.P2
will change the `point size',
that is,
the size of the letters being printed,
to `14 point' (one point is 1/72 inch) like this:
.P1
.fi
Some text.
.ps 14
Some more text.
.ps 10
.P2
.PP
Occasionally, though,
something special occurs in the middle of a line _
to produce
.P1
Area = \(*p\fIr\fR\|\s8\u2\d\s0
.P2
you have to type
.P1
Area = \e(*p\efIr\efR\e\^|\^\es8\eu2\ed\es0
.P2
(which we will explain shortly).
The backslash character
.BD  \e 
is used 
to introduce
.UL troff
commands and special characters within a line of text.
@


1.2
log
@Add Caldera license
Make buildable under FreeBSD.

Approved by:    David Taylor <davidt@@caldera.com>
@
text
@d43 1
a43 1
.\" $FreeBSD$
@


1.2.24.1
log
@Switch importer
@
text
@d43 1
a43 1
.\" $FreeBSD: stable/7/share/doc/usd/22.trofftut/tt01 96897 2002-05-19 03:37:41Z grog $
@


1.2.14.1
log
@Switch importer
@
text
@d43 1
a43 1
.\" $FreeBSD: stable/6/share/doc/usd/22.trofftut/tt01 96897 2002-05-19 03:37:41Z grog $
@


1.2.42.1
log
@SVN rev 225736 on 2011-09-23 00:51:37Z by kensmith

Copy head to stable/9 as part of 9.0-RELEASE release cycle.

Approved by:	re (implicit)
@
text
@@


1.2.42.2
log
@## SVN ##
## SVN ## Exported commit - http://svnweb.freebsd.org/changeset/base/ 242902
## SVN ## CVS IS DEPRECATED: http://wiki.freebsd.org/CvsIsDeprecated
## SVN ##
## SVN ## ------------------------------------------------------------------------
## SVN ## r242902 | dteske | 2012-11-11 23:29:45 +0000 (Sun, 11 Nov 2012) | 10 lines
## SVN ##
## SVN ## Fix a regression introduced by SVN r211417 that saw the breakage of a feature
## SVN ## documented in usr.sbin/sysinstall/help/shortcuts.hlp (reproduced below):
## SVN ##
## SVN ## If /usr/sbin/sysinstall is linked to another filename, say
## SVN ## `/usr/local/bin/configPackages', then the basename will be used
## SVN ## as an implicit command name.
## SVN ##
## SVN ## Reviewed by:	adrian (co-mentor)
## SVN ## Approved by:	adrian (co-mentor)
## SVN ##
## SVN ## ------------------------------------------------------------------------
## SVN ##
@
text
@d43 1
a43 1
.\" $FreeBSD: stable/9/share/doc/usd/22.trofftut/tt01 96897 2002-05-19 03:37:41Z grog $
@


1.2.42.1.4.1
log
@SVN rev 239080 on 2012-08-05 23:54:33Z by kensmith

Copy stable/9 to releng/9.1 as part of the 9.1-RELEASE release process.

Approved by:	re (implicit)
@
text
@@


1.2.42.1.4.2
log
@Switch importer
@
text
@d43 1
a43 1
.\" $FreeBSD: releng/9.1/share/doc/usd/22.trofftut/tt01 96897 2002-05-19 03:37:41Z grog $
@


1.2.42.1.2.1
log
@SVN rev 227445 on 2011-11-11 04:20:22Z by kensmith

Copy stable/9 to releng/9.0 as part of the FreeBSD 9.0-RELEASE release
cycle.

Approved by:	re (implicit)
@
text
@@


1.2.42.1.2.2
log
@Switch importer
@
text
@d43 1
a43 1
.\" $FreeBSD: releng/9.0/share/doc/usd/22.trofftut/tt01 96897 2002-05-19 03:37:41Z grog $
@


1.2.40.1
log
@SVN rev 216618 on 2010-12-21 17:10:29Z by kensmith

Copy stable/7 to releng/7.4 in preparation for FreeBSD-7.4 release.

Approved by:	re (implicit)
@
text
@@


1.2.40.2
log
@Switch importer
@
text
@d43 1
a43 1
.\" $FreeBSD: releng/7.4/share/doc/usd/22.trofftut/tt01 96897 2002-05-19 03:37:41Z grog $
@


1.2.38.1
log
@SVN rev 203736 on 2010-02-10 00:26:20Z by kensmith

Copy stable/7 to releng/7.3 as part of the 7.3-RELEASE process.

Approved by:	re (implicit)
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1.2.36.1
log
@SVN rev 196045 on 2009-08-03 08:13:06Z by kensmith

Copy head to stable/8 as part of 8.0 Release cycle.

Approved by:	re (Implicit)
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1.2.36.2
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@## SVN ##
## SVN ## Exported commit - http://svnweb.freebsd.org/changeset/base/ 242909
## SVN ## CVS IS DEPRECATED: http://wiki.freebsd.org/CvsIsDeprecated
## SVN ##
## SVN ## ------------------------------------------------------------------------
## SVN ## r242909 | dim | 2012-11-12 07:47:19 +0000 (Mon, 12 Nov 2012) | 20 lines
## SVN ##
## SVN ## MFC r242625:
## SVN ##
## SVN ## Remove duplicate const specifiers in many drivers (I hope I got all of
## SVN ## them, please let me know if not).  Most of these are of the form:
## SVN ##
## SVN ## static const struct bzzt_type {
## SVN ##       [...list of members...]
## SVN ## } const bzzt_devs[] = {
## SVN ##       [...list of initializers...]
## SVN ## };
## SVN ##
## SVN ## The second const is unnecessary, as arrays cannot be modified anyway,
## SVN ## and if the elements are const, the whole thing is const automatically
## SVN ## (e.g. it is placed in .rodata).
## SVN ##
## SVN ## I have verified this does not change the binary output of a full kernel
## SVN ## build (except for build timestamps embedded in the object files).
## SVN ##
## SVN ## Reviewed by:	yongari, marius
## SVN ##
## SVN ## ------------------------------------------------------------------------
## SVN ##
@
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.\" $FreeBSD: stable/8/share/doc/usd/22.trofftut/tt01 96897 2002-05-19 03:37:41Z grog $
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1.2.36.1.8.1
log
@SVN rev 232438 on 2012-03-03 06:15:13Z by kensmith

Copy stable/8 to releng/8.3 as part of 8.3-RELEASE release cycle.

Approved by:	re (implicit)
@
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1.2.36.1.8.2
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@Switch importer
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@d43 1
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1.2.36.1.6.1
log
@SVN rev 216617 on 2010-12-21 17:09:25Z by kensmith

Copy stable/8 to releng/8.2 in preparation for FreeBSD-8.2 release.

Approved by:	re (implicit)
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1.2.36.1.4.1
log
@SVN rev 209145 on 2010-06-14 02:09:06Z by kensmith

Copy stable/8 to releng/8.1 in preparation for 8.1-RC1.

Approved by:	re (implicit)
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1.2.36.1.2.1
log
@SVN rev 198460 on 2009-10-25 01:10:29Z by kensmith

Copy stable/8 to releng/8.0 as part of 8.0-RELEASE release procedure.

Approved by:	re (implicit)
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1.2.34.1
log
@SVN rev 191087 on 2009-04-15 03:14:26Z by kensmith

Create releng/7.2 from stable/7 in preparation for 7.2-RELEASE.

Approved by:	re (implicit)
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1.2.32.1
log
@SVN rev 185281 on 2008-11-25 02:59:29Z by kensmith

Create releng/7.1 in preparation for moving into RC phase of 7.1 release
cycle.

Approved by:	re (implicit)
@
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1.2.30.1
log
@SVN rev 183531 on 2008-10-02 02:57:24Z by kensmith

Create releng/6.4 from stable/6 in preparation for 6.4-RC1.

Approved by:	re (implicit)
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1.1
log
@Initial checkin: 4.4BSD version.  These files need to be updated with
current license information and adapted to the FreeBSD build
environment before they will build.

Approved by:    David Taylor <davidt@@caldera.com>
@
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.\" $FreeBSD$
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