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<title>deroff(1) - Plan 9 from User Space</title>
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<tr><td width=20><td><b>DEROFF(1)</b><td align=right><b>DEROFF(1)</b>
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<br>
<p><font size=+1><b>NAME </b></font><br>
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deroff, delatex – remove formatting requests<br>
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<p><font size=+1><b>SYNOPSIS </b></font><br>
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<tt><font size=+1>deroff</font></tt> [ <i>option ...</i> ] <i>file ...
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</i>
<tt><font size=+1>delatex</font></tt> <i>file<br>
</i>
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<p><font size=+1><b>DESCRIPTION </b></font><br>
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<i>Deroff</i> reads each file in sequence and removes all <i>nroff</i> and <a href="../man1/troff.html"><i>troff</i>(1)</a>
requests and non-text arguments, backslash constructions, and
constructs of preprocessors such as <a href="../man1/eqn.html"><i>eqn</i>(1)</a>, <a href="../man1/pic.html"><i>pic</i>(1)</a>, and <a href="../man1/tbl.html"><i>tbl</i>(1)</a>.
Remaining text is written on the standard output. <i>Deroff</i> follows
files included by <tt><font size=+1>.so</font></tt> and <tt><font size=+1>.nx</font></tt> commands; if a file has
already been included, a <tt><font size=+1>.so</font></tt> for that file is ignored and a <tt><font size=+1>.nx</font></tt>
terminates execution. If no input file is given, <i>deroff</i> reads
from standard input.
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The options are<br>
<tt><font size=+1>−w</font></tt> Output a word list, one ‘word’ (string of letters, digits, and
properly embedded ampersands and apostrophes, beginning with a
letter) per line. Other characters are skipped. Otherwise, the
output follows the original, with the deletions mentioned above.<br>
<tt><font size=+1>−_</font></tt> Like <tt><font size=+1>−w</font></tt>, but consider underscores to be alphanumeric rather
than punctuation.<br>
<tt><font size=+1>−i</font></tt> Ignore <tt><font size=+1>.so</font></tt> and <tt><font size=+1>.nx</font></tt> requests.<br>
<tt><font size=+1>−ms<br>
−mm</font></tt> Remove titles, attachments, etc., as well as ordinary <i>troff</i>
constructs, from <a href="../man7/ms.html"><i>ms</i>(7)</a> or <i>mm</i> documents.<br>
<tt><font size=+1>−ml</font></tt> Same as <tt><font size=+1>−mm</font></tt>, but remove lists as well.
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<i>Delatex</i> does for <i>tex</i> and <i>latex</i> (see <a href="../man1/tex.html"><i>tex</i>(1)</a>) files what <tt><font size=+1>deroff
−wi</font></tt> does for <i>troff</i> files.<br>
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<p><font size=+1><b>SOURCE </b></font><br>
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<tt><font size=+1>/usr/local/plan9/src/cmd/deroff.c<br>
/usr/local/plan9/src/cmd/delatex.lx<br>
</font></tt>
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<p><font size=+1><b>SEE ALSO </b></font><br>
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<a href="../man1/troff.html"><i>troff</i>(1)</a>, <a href="../man1/tex.html"><i>tex</i>(1)</a>, <a href="../man1/spell.html"><i>spell</i>(1)</a><br>
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<p><font size=+1><b>BUGS </b></font><br>
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These filters are not complete interpreters of <i>troff</i> or <i>tex</i>. For
example, macro definitions containing <tt><font size=+1>\$</font></tt> cause chaos in <i>deroff</i>
when the popular <tt><font size=+1>$$</font></tt> delimiters for <i>eqn</i> are in effect.
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Text inside macros is emitted at place of definition, not place
of call.<br>
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