V4/man/man1/nroff.1

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.th NROFF I 1/15/73
.sh NAME
nroff  \*-  format text
.sh SYNOPSIS
.bd nroff
[
\fB+\fIn\fR
] [
\fB\*-\fIn\fR
] [
.bd \*-s
] [
.bd \*-h
] [
.bd \*-q
] [
.bd \*-i
] files
.sh DESCRIPTION
.it Nroff
formats text according to control lines embedded
in the text files.
.it Nroff
will read the standard input if
no file
arguments are given.
The non-file option arguments are interpreted as follows:
.s3
.lp +4 4
\fB+\fIn\fR	Output will commence at the first page whose page
number is
.it n
or larger
.s3
.lp +4 4
\fB\*-\fIn\fR	will
cause printing to stop after page
.it n.
.s3
.lp +4 4
\fB\*-s\fR	Stop prior to
each page to permit paper
loading.
Printing is restarted by
typing a `newline' character.
.s3
.lp +4 4
\fB\*-h\fR	Spaces
are replaced where possible
with
tabs to speed up output (or reduce
the size of the output file).
.s3
.lp +4 4
\fB\*-q\fR	Prompt
names for insertions are not printed
and the bell character is sent instead;
the insertion is not echoed.
.s3
.lp +4 4
\fB\*-i\fR	Causes the
standard input to be read after the files.
.s3
.i0
.it Nroff
is more completely described
in [1].
A condensed Request Summary is included here.
.sh FILES
.dt
/usr/lib/suftab	suffix hyphenation tables
.br
/tmp/rtm?	temporary
.br
.sh "SEE ALSO"
[1] NROFF User's Manual,
internal memorandum.
.sh BUGS
.in 0
.bp
.nf
.tr &.
.if t .ta .75i 1.5i 2.25i 2.75i
.if n 10 18 28 34
.ce
REQUEST REFERENCE AND INDEX
.s3
Request	Initial	If no	Cause
Form	Value	Argument	Break	Explanation
.s3
I.  Page Control
.s3
&pl +N	N=66	N=66	no	Page Length.
&bp +N	N=1	-	yes	Begin Page.
&pn +N	N=1	ignored	no	Page Number.
&po +N	N=0	N=prev	no	Page Offset.
&ne N	-	N=1	no	NEed N lines.
.s3
II.  Text Filling, Adjusting, and Centering
.s3
&br	-	-	yes	BReak.
&fi	fill	-	yes	FIll output lines.
&nf	fill	-	yes	NoFill.
&ad c	adj,norm adjust	no	ADjust mode on.
&na	adjust	-	no	NoAdjust.
&ce N	off	N=1	yes	CEnter N input text lines.
.s3
III.  Line Spacing and Blank Lines
.s3
&ls +N	N=1	N=prev	no	Line Spacing.
&sp N	-	N=1	yes	SPace N lines
&lv N	-	N=1	no	LeaVe N lines
&sv N	-	N=1	no	SaVe N lines.
&os	-	-	no	Output Saved lines.
&ns	space	-	no	No-Space mode on.
&rs	-	-	no	Restore Spacing.
&xh	off	-	no	EXtra-Half-line mode on.
.s3
IV.  Line Length and Indenting
.s3
&ll +N	N=65	N=prev	no	Line Length.
&in +N	N=0	N=prev	yes	INdent.
&ti +N	-	N=1	yes	Temporary Indent.
.s3
V.  Macros, Diversion, and Line Traps
.s3
&de xx	-	ignored	no	DEfine or redefine a macro.
&ds xx	-	ignored	no	Define or redefine String.
&rm xx	-	-	no	ReMove macro name.
&di xx	-	end	no	DIvert output to macro "xx".
&wh -N xx	-	-	no	WHen; set a line trap.
&ch xx y	-	-	no	CHange trap line.
&ch -N -M	-	-	no		"
&ch xx -M	-	-	no		"
&ch -N y	-	-	no		"
.s3
VI.  Number Registers
.s3
&nr ab +N -M	-	no	Number Register.
&nr a +N -M	-	no		"
&nc c	\\n	\\n	no	Number Character.
&ar	arabic	-	no	Arabic numbers.
&ro	arabic	-	no	Roman numbers.
&RO	arabic	-	no	ROMAN numbers.
.s3
VII.  Input and Output Conventions and Character Translations
.s3
&ta N,M,...	-	none	no	PseudoTAbs setting.
&tc c	space	space	no	Tab replacement Character.
&lc c	.	.	no	Leader replacement Character.
&ul N	-	N=1	no	UNderline input text lines.
&cc c	\fB.\fR	\fB.\fR	no	Basic Control Character.
.if t .tr '\(fm
&c2 c	'	'	no	Nobreak control character.
&ec c	-	\\	no	Escape Character.
&li N	-	N=1	no	Accept input lines LIterally.
&tr abcd....	-	-	no	TRanslate on output.
.s3
VIII.  Hyphenation.
.s3
&nh	on	-	no	No Hyphen.
&hy	on	-	no	HYphenate.
&hc c	none	none	no	Hyphenation indicator Character.
.s3
IX.  Three Part Titles.
.s3
&tl 'left'center'right'	-	no	TitLe.
&lt N	N=65	N=prev	no	Length of Title.
.s3
X.  Output Line Numbering.
.s3
&nm +N M S I	off	no	Number Mode on or off, set parameters.
&np M S I	-	reset	no	Number Parameters set or reset.
.s3
XI.  Conditional Input Line Acceptance
.s3
&if !N anything	-	no	IF true accept line of "anything".
&if c anything	-	no		"
&if !c anything	-	no		"
&if N anything	-	no		"
.s3
XII.  Environment Switching.
.s3
&ev N	N=0	N=prev	no	EnVironment switched.
.s3
XIII.  Insertions from the Standard Input Stream
.s3
&rd prompt	-	bell	no	ReaD insert.
&ex	-	-	no	EXit.
.s3
XIV.	Input File Switching 
.s3
&so filename	-	-	no	Switch SOurce file (push down).
&nx filename	-	no	NeXt file.
.s3
XV.	Miscellaneous
.s3
&tm mesg	-	-	no	Typewriter Message
&ig	-	-	no	IGnore.
&fl	-	-	no	FLush output buffer.
&ab	-	-	no	ABort.
.fi
.tr &&