V4/usr/man/man1/roff.1

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including files from this version of Unix. 
.th ROFF I 6/12/72
.sh NAME
roff  \*-  format text
.sh SYNOPSIS
.bd roff
[ \fB+\fIn\fR ] [ \fB\*-\fIn\fR ] [
.bd \*-s
] [
.bd \*-h
] file ...
.sh DESCRIPTION
.it Roff
formats text according to control lines embedded
in the text in the given files.
Encountering a nonexistent file terminates printing.
Incoming interconsole messages are turned off during printing.
The optional flag arguments mean:
.s3
.lp +5 5
\fB+\fIn\fR	Start printing at the first page with number \fIn\fR.
.s3
.lp +5 5
\fB\*-\fIn\fR	Stop printing at the first page numbered higher
than \fIn\fR.
.s3
.lp +5 5
\fB\*-s\fR	Stop before each page (including the first)
to allow paper manipulation;
resume on receipt of an interrupt signal.
.s3
.lp +5 5
\fB\*-h\fR	Insert tabs in the output stream to replace
spaces whenever appropriate.
.s3
.i0
A Request Summary is attached.
.sh FILES
/usr/lib/suftab	suffix hyphenation tables
.br
/tmp/rtm?	temporary
.br
.sh "SEE ALSO"
nroff (I), troff (I)
.sh BUGS
.it Roff
is the simplest of the runoff
programs, but is virtually
undocumented.
.bp
.tc |
.tr |
.in 0
.ce
REQUEST SUMMARY
.s3
.ul
.if t .ta .75i 1.5i 2.25i
.if n .ta 8 16 24 32
Request	Break	Initial	Meaning
.if t .in2.25i
.if n .in24
.na
.ti 0
.li
.ad	yes	yes	Begin adjusting right margins.
.ti 0
.li
.ar	no	arabic	Arabic page numbers.
.ti 0
.li
.br	yes	-	Causes a line break \*- the filling of
the current line is stopped.
.ti 0
.li
.bl|n	yes	-	Insert of n blank lines, on new page if necessary.
.ti 0
.li
.bp|+n	yes	n=1	Begin new page and number it n; no n means `+1'.
.ti 0
.li
.cc|c	no	c=.	Control character becomes `c'.
.ti 0
.li
.ce|n	yes	-	Center the next n input lines,
without filling.
.ti 0
.li
.de|xx	no	-	Define macro named `xx'
(definition ends on line beginning `\fB..\fR').
.ti 0
.li
.ds	yes	no	Double space; same as `.ls 2'.
.ti 0
.li
.ef|t	no	t=\*a\*a\*a\*a	Even foot title becomes t.
.ti 0
.li
.eh|t	no	t=\*a\*a\*a\*a	Even head title becomes t.
.ti 0
.li
.fi	yes	yes	Begin filling output lines.
.ti 0
.li
.fo	no	t=\*a\*a\*a\*a	All foot titles are t.
.ti 0
.li
.hc|c	no	none	Hyphenation character set to `c'.
.ti 0
.li
.he|t	no	t=\*a\*a\*a\*a	All head titles are t.
.ti 0
.li
.hx	no	-	Title lines are suppressed.
.ti 0
.li
.hy|n	no	n=1	Hyphenation is done, if n=1;
and is not done, if n=0.
.ti 0
.li
.ig	no	-	Ignore input lines through
a line beginning with `\fB..\fR'.
.ti 0
.li
.in|+n	yes	-	Indent n spaces from left margin.
.ti 0
.li
.ix +n	no	-	Same as `.in' but without break.
.ti 0
.li
.li|n	no	-	Literal, treat next n lines as text.
.ti 0
.li
.ll|+n	no	n=65	Line length including indent is n characters.
.ti 0
.li
.ls|+n	yes	n=1	Line spacing set to n lines per output line.
.ti 0
.li
.m1|n	no	n=2	Put n blank lines between the top
of page and head title.
.ti 0
.li
.m2|n	no	n=2	n blank lines put between head title
and beginning of text on page.
.ti 0
.li
.m3|n	no	n=1	n blank lines put between end of
text and foot title.
.ti 0
.li
.m4|n	no	n=3	n blank lines put between the foot title
and the bottom of page.
.ti 0
.li
.na	yes	no	Stop adjusting the right margin.
.ti 0
.li
.ne|n	no	-	Begin new page, if n output lines
cannot fit on present page.
.ti 0
.li
.nn|+n	no	-	The next n output lines are not numbered.
.ti 0
.li
.n1	no	no	Number output lines; start with 1 each page
.ti 0
.li
.n2|n	no	no	Number output lines; stop numbering if n=0.
.ti 0
.li
.ni|+n	no	n=0	Line numbers are indented n.
.ti 0
.li
.nf	yes	no	Stop filling output lines.
.ti 0
.li
.nx|filename	-	Change to input file `filename'.
.ti 0
.li
.of|t	no	t=\*a\*a\*a\*a	Odd foot title becomes t.
.ti 0
.li
.oh|t	no	t=\*a\*a\*a\*a	Odd head title becomes t.
.ti 0
.li
.pa|+n	yes	n=1	Same as `.bp'.
.ti 0
.li
.pl|+n	no	n=66	Total paper length taken to be n lines.
.ti 0
.li
.po|+n	no	n=0	Page offset.
All lines are preceded by N spaces.
.ti 0
.li
.ro	no	arabic	Roman page numbers.
.ti 0
.li
.sk|n	no	-	Produce n blank pages starting next page.
.ti 0
.li
.sp|n	yes	-	Insert block of n blank lines.
.ti 0
.li
.ss	yes	yes	Single space output lines,
equivalent to `.ls 1'.
.ti 0
.li
.ta|N|M|...		-	Pseudotab settings.
Initial tab settings are columns 9,17,25,...
.ti 0
.li
.tc|c	no	c=`|'	Tab replacement character becomes `c'.
.ti 0
.li
.ti|+n	yes	-	Temporarily indent next output
line n space.
.ti0
.li
.tr|abcd..	no	-	Translate a into b, c into d, etc.
.ti0
.li
.ul|n	no	-	Underline the letters and numbers
in the next n input lines.