.he 'ROFF (I)'6/12/72'ROFF (I)'
SYNOPSIS roff
\b\b\b\b____ [ +
\b_number ] [ -s
\b\b__ ] [ -h
\b\b__ ] file\d1\u ...
DESCRIPTION roff
\b\b\b\b____
formats text according to control lines embedded
in the text in file
\e91
\e8, ... .
Encountering a nonexistent file terminates printing.
The optional argument "+
\b_number" causes printing
to begin at the first page
"-s
\b\b__" causes printing to stop before each page
to allow paper manipulation;
receipt of an interrupt signal.
"-h" causes the output to contain
horizontal tabs for two or more spaces
An interrupt signal received during printing terminates all
Incoming interconsole messages are turned off during printing,
and the original message acceptance state is restored upon
At the present time, there
is no document describing ROFF in full.
A Request Summary is attached.
FILES /etc/suftab suffix hyphenation tables
Request Break Initial Meaning
.ad yes yes Begin adjusting right margins.
.ar no arabic Arabic page numbers.
.br yes - Causes a line break - thå filling of
the current line is stopped.
.bl|n yes - Insert contiguous block of n blank lines.
If necessary, a new page will be
started to accomodate the entire block.
.bp|+n yes n=1 Begin new page and number it n.
If n is not given, normal sequencing occurs.
.cc|c no c=. Control character becomes `c'.
.ce|n yes - Center the next n input lines,
.de|xx no - Define macro named "xx"
(definition ends with a line beginning with "..").
.ds yes no Double space; same as ".ls 2".
.ef|t no t='''' Even foot title becomes t.
.eh|t no t='''' Even head title becomes t.
.fi yes yes Begin filling output lines.
.fo no t='''' All foot titles are t.
.hc|c no none Hyphenation character set to `c'.
.he|t no t='''' All head titles are t.
.hx no - Title lines are suppressed.
.hy|n no n=1 Hyphenation is done, if n=1;
.ig no - Ignore input lines until and including
a line beginning with "..".
.in|+n yes - Indent n spaces from left margin.
.ix +n no - Same as ".in" but without break.
.li|n no - Literal, treat next n lines as text.
.ll|+n no n=65 Line length including indent is n characters.
.ls|+n yes n=1 Line spacing set to n lines per output line.
.m1|n no n=2 n blank lines are put between the top
of a new page and the head title.
.m2|n no n=2 n blanks lines put between head title
and beginning of text on page.
.m3|n no n=1 n blank lines put between the end of
.m4|n no n=3 n blank lines put between the foot title
.na yes no Stop adjusting the right margin.
.ne|n no - Begin new page, if n output lines
cannot fit on present page.
.nn|+n no - The next n output lines are not numbered.
.n1 no no Output lines are numbered sequentially
beginning with 1 on each new page.
Head and foot titles are not numbered.
.n2 no no Output lines are numbered sequentially
beginning with 1 on the next output line.
.ni|+n no n=0 Line numbers are indented n.
.nf yes no Stop filling output lines.
.nx|filename - Change to input file "filename".
.of|t no t='''' Odd foot title becomes t.
.oh|t no t='''' Odd head title becomes t.
.pa|+n yes n=1 Same as ".bp".
.pl|+n no n=66 Total paper length taken to be n lines.
.po|+n no n=0 Page offset.
All lines are preceded by N spaces.
.ro no arabic Roman page numbers.
.sk|n no - n pages with head and foot titles but
otherwise blank will be output beginning
with the next page containing text.
.sp|n yes - Insert block of n blank lines.
If the bottom of a page is reached,
remaining lines are not
\b\b\b___ put on next page.
.ss yes yes Single space output lines,
.ta|N|M|... - Pseudotab settings.
Initial tab settings are columns 9,17,25,...
.tc|c no c="|" Tab replacement character becomes "c".
.ti|+n yes - Temporarily indent next output line
.tr|abcd.. no - Translate a into b, c into d, etc.
.ul|n no - Underline the letters and numbers on the
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