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.TH TROFF 1
.SH NAME
troff, nroff \- text formatting and typesetting
.SH SYNOPSIS
.B troff
[
.I option ...
]
[
.I file ...
]
.PP
.B nroff
[
.I option ...
]
[
.I file ...
]
.SH DESCRIPTION
.I Troff
formats text in the named
.I files
for
printing on a typesetter.
.I Nroff
does the same, but produces output suitable
for typewriter-like devices.
.PP
If no
.I file
argument is present, the standard input is read.
An argument consisting of a single minus
.RB ( - )
is taken to be
a file name corresponding to the standard input.
The options are:
.nr xx \w'\fL-m\f2name\ \ '
.TP \n(xxu
.BI -o list
Print pages in the comma-separated
.I list
of numbers and ranges.
A range
.IB N - M
means 
.I N
through
.IR M ;
initial
.BI - M
means up to
.IR M ;
final
.IB N -
means from
.I N
to the end.
.TP
.BI -n N
Number first generated page
.IR N .
.TP
.BI -m name
Process the macro file
.BI /usr/share/9base/troff/tmac/tmac. name
before the input
.IR files .
.TP
.BI -r aN
Set register
.I a
(one character name) to
.IR N .
.TP
.B -i
Read standard input after the input files are exhausted.
.TP
.B -q
Invoke the simultaneous input-output mode of the
.B rd
request.
.TP
.B -N
Produce output suitable for typewriter-like devices.
.SS Typesetter devices (not \fL-N\fP) only
.TP \n(xxu
.B -a
Send a printable
textual
approximation
of the results to the standard output.
.TP
.BI -T dest
Prepare output for typesetter
.IR dest :
.br
.ns
.RS
.TP \w'\fL-TLatin1\ 'u
.B -Tutf
(The default.) PostScript printers with
preprocessing to handle Unicode
characters encoded in
.SM UTF
.PD0
.TP
.B -Tpost
Regular PostScript printers
.PD0
.TP
.B -T202
Mergenthaler Linotron 202 
.RE
.PD
.TP "\w'\fL-m\f2name 'u"
.BI -F dir
Take font information from directory
.IR dir .
.SS Typewriter (\fL-N\fP) output only
.TP \n(xxu
.BI -s N
Halt prior to every
.I N
pages (default
.IR N =1)
to allow paper loading or changing.
.TP
.BI -T name
Prepare output for specified terminal.
Known
.I names
include
.B utf
for the normal Plan 9
.SM UTF
encoding of the Unicode Standard character set (default),
.B 37
for the
Teletype model 37,
.B lp
(`line-printer')
for any terminal without half-line capability,
.B 450
for the \s-1DASI\s+1-450
(Diablo Hyterm),
and
.B think
(HP ThinkJet).
.TP
.B -e
Produce equally-spaced words in adjusted
lines, using full terminal resolution.
.TP
.B -h
Use output tabs during horizontal spacing
to speed output and reduce output character count.
Tab settings are assumed to be every
8 nominal character widths.
.SH FILES
.TF \*9/troff/term/*
.TP
.B /tmp/trtmp*
temporary file
.TP
.B \*9/tmac/tmac.*
standard macro files
.TP
.B \*9/troff/term/*
terminal driving tables for
.I nroff
.TP
.B \*9/troff/font/*
font width tables for
.I troff
.SH SOURCE
.B \*9/src/cmd/troff
.SH "SEE ALSO"
.IR lpr (1),
.IR proof (1),
.IR tr2post (1),
.IR eqn (1), 
.IR tbl (1), 
.IR pic (1), 
.IR grap (1),
.IR doctype (1), 
.IR ms (7),
.IR image (7),
.IR tex (1),
.IR deroff (1)
.br
J. F. Ossanna and B. W. Kernighan,
``Troff User's Manual''
.br
B. W. Kernighan,
``A TROFF Tutorial'',
.I
Unix Research System Programmer's Manual,
Tenth Edition, Volume 2.