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<html><head><title>Predefined Number Registers (UNIX in a Nutshell: System V Edition)</title><link rel="stylesheet" type="text/css" href="../style/style1.css" /><meta name="DC.Creator" content="Arnold Robbins" /><meta name="DC.Format" content="text/xml" scheme="MIME" /><meta name="DC.Language" content="en-US" /><meta name="DC.Publisher" content="O'Reilly & Associates, Inc." /><meta name="DC.Source" scheme="ISBN" content="1-56592-427-4" /><meta name="DC.Subject.Keyword" content="stuff" /><meta name="DC.Title" content="UNIX in a Nutshell: System V Edition" /><meta name="DC.Type" content="Text.Monograph" /></head><body bgcolor="#ffffff"><img src="gifs/smbanner.gif" usemap="#banner-map" border="0" alt="Book Home" /><map name="banner-map"><area shape="rect" coords="1,-2,616,66" href="index.htm" alt="Book Title" /><area shape="rect" coords="629,-11,726,25" href="jobjects/fsearch.htm" alt="Search this book" /></map><div class="navbar"><table width="684" border="0"><tr><td align="left" valign="top" width="228"><a href="ch15_02.htm"><img src="../gifs/txtpreva.gif" alt="Previous" border="0" /></a></td><td align="center" valign="top" width="228" /><td align="right" valign="top" width="228"><a href="ch15_04.htm"><img src="../gifs/txtnexta.gif" alt="Next" border="0" /></a></td></tr></table></div><h2 class="sect1">15.3. Predefined Number Registers</h2><p><a name="IXT-15-123430" /><a name="IXT-15-123431" /><a name="IXT-15-123432" />Items marked with a dagger (<img src="figs/dagger.gif" alt="Figure " />) appear in more recent versions ofthe <em class="emphasis">me</em> macros. You will need to double-check them onyour system.</p><table border="1" cellpadding="3"><tr><td><tt class="literal">$0</tt><img src="figs/dagger.gif" alt="Figure " /></td><td><p>Section depth</p></td></tr><tr><td><tt class="literal">$1</tt><img src="figs/dagger.gif" alt="Figure " /></td><td><p>First section number</p></td></tr><tr><td><tt class="literal">$2</tt><img src="figs/dagger.gif" alt="Figure " /></td><td><p>Second section number</p></td></tr><tr><td><tt class="literal">$3</tt><img src="figs/dagger.gif" alt="Figure " /></td><td><p>Third section number</p></td></tr><tr><td><tt class="literal">$4</tt><img src="figs/dagger.gif" alt="Figure " /></td><td><p>Fourth section number</p></td></tr><tr><td><tt class="literal">$5</tt><img src="figs/dagger.gif" alt="Figure " /></td><td><p>Fifth section number</p></td></tr><tr><td><tt class="literal">$6</tt><img src="figs/dagger.gif" alt="Figure " /></td><td><p>Sixth section number</p></td></tr><tr><td><tt class="literal">$V</tt><img src="figs/dagger.gif" alt="Figure " /></td><td><p>Relative vertical spacing in displays</p></td></tr><tr><td><tt class="literal">$c</tt></td><td><p>Current column number</p></td></tr><tr><td><tt class="literal">$d</tt></td><td><p>Delayed text number</p></td></tr><tr><td><tt class="literal">$f</tt></td><td><p>Footnote number</p></td></tr><tr><td><tt class="literal">$i</tt><img src="figs/dagger.gif" alt="Figure " /></td><td><p>Paragraph base indent</p></td></tr><tr><td><tt class="literal">$l</tt></td><td><p>Column width</p></td></tr><tr><td><tt class="literal">$m</tt></td><td><p>Number of columns in effect</p></td></tr><tr><td><tt class="literal">$p</tt></td><td><p>Numbered paragraph number</p></td></tr><tr><td><tt class="literal">$s</tt></td><td><p>Column indent</p></td></tr><tr><td><tt class="literal">$v</tt><img src="figs/dagger.gif" alt="Figure " /></td><td><p>Relative vertical spacing in text</p></td></tr><tr><td><tt class="literal">bi</tt></td><td><p>Display (block) indent</p></td></tr><tr><td><tt class="literal">bm</tt></td><td><p>Bottom title margin</p></td></tr><tr><td><tt class="literal">bs</tt></td><td><p>Display (block) pre/post spacing</p></td></tr><tr><td><tt class="literal">bt</tt><img src="figs/dagger.gif" alt="Figure " /></td><td><p>Block keep threshold</p></td></tr><tr><td><tt class="literal">ch</tt></td><td><p>Current chapter number</p></td></tr><tr><td><tt class="literal">df</tt><img src="figs/dagger.gif" alt="Figure " /></td><td><p>Display font</p></td></tr><tr><td><tt class="literal">es</tt><img src="figs/dagger.gif" alt="Figure " /></td><td><p>Equation pre/post space</p></td></tr><tr><td><tt class="literal">ff</tt><img src="figs/dagger.gif" alt="Figure " /></td><td><p>Footnote font</p></td></tr><tr><td><tt class="literal">fi</tt><img src="figs/dagger.gif" alt="Figure " /></td><td><p>Footnote indent (first line only)</p></td></tr><tr><td><tt class="literal">fm</tt></td><td><p>Footer margin</p></td></tr><tr><td><tt class="literal">fp</tt><img src="figs/dagger.gif" alt="Figure " /></td><td><p>Footnote point size</p></td></tr><tr><td><tt class="literal">fs</tt></td><td><p>Footnote prespace</p></td></tr><tr><td><tt class="literal">fu</tt><img src="figs/dagger.gif" alt="Figure " /></td><td><p>Footnote undent (from right margin)</p></td></tr><tr><td><tt class="literal">hm</tt></td><td><p>Header margin</p></td></tr><tr><td><tt class="literal">ii</tt></td><td><p>Indented paragraph indent</p></td></tr><tr><td><tt class="literal">pf</tt></td><td><p>Paragraph font</p></td></tr><tr><td><tt class="literal">pi</tt></td><td><p>Paragraph indent</p></td></tr><tr><td><tt class="literal">po</tt><img src="figs/dagger.gif" alt="Figure " /></td><td><p>Simulated page offset</p></td></tr><tr><td><tt class="literal">pp</tt></td><td><p>Paragraph point size</p></td></tr><tr><td><tt class="literal">ps</tt></td><td><p>Paragraph prespace</p></td></tr><tr><td><tt class="literal">qi</tt></td><td><p>Quote indent (also shortens line)</p></td></tr><tr><td><tt class="literal">qp</tt></td><td><p>Quote point size</p></td></tr><tr><td><tt class="literal">qs</tt></td><td><p>Quote pre/post space</p></td></tr><tr><td><tt class="literal">sf</tt><img src="figs/dagger.gif" alt="Figure " /></td><td><p>Section title font</p></td></tr><tr><td><tt class="literal">si</tt><img src="figs/dagger.gif" alt="Figure " /></td><td><p>Relative base indent per section depth</p></td></tr><tr><td><tt class="literal">so</tt><img src="figs/dagger.gif" alt="Figure " /></td><td><p>Additional section title offset</p></td></tr><tr><td><tt class="literal">sp</tt><img src="figs/dagger.gif" alt="Figure " /></td><td><p>Section title point size</p></td></tr><tr><td><tt class="literal">ss</tt><img src="figs/dagger.gif" alt="Figure " /></td><td><p>Section prespace</p></td></tr><tr><td><tt class="literal">tf</tt></td><td><p>Title font</p></td></tr><tr><td><tt class="literal">tm</tt></td><td><p>Top title margin</p></td></tr><tr><td><tt class="literal">tp</tt></td><td><p>Title point size</p></td></tr><tr><td><tt class="literal">xs</tt></td><td><p>Index entry prespace</p></td></tr><tr><td><tt class="literal">xu</tt><img src="figs/dagger.gif" alt="Figure " /></td><td><p>Index undent (from right margin)</p></td></tr><tr><td><tt class="literal">zs</tt></td><td><p>Floating keep pre/post space</p></td></tr></table><p><hr width="684" align="left" /><div class="navbar"><table width="684" border="0"><tr><td align="left" valign="top" width="228"><a href="ch15_02.htm"><img src="../gifs/txtpreva.gif" alt="Previous" border="0" /></a></td><td align="center" valign="top" width="228"><a href="index.htm"><img src="../gifs/txthome.gif" alt="Home" border="0" /></a></td><td align="right" valign="top" width="228"><a href="ch15_04.htm"><img src="../gifs/txtnexta.gif" alt="Next" border="0" /></a></td></tr><tr><td align="left" valign="top" width="228">15.2. Predefined Strings</td><td align="center" valign="top" width="228"><a href="index/index.htm"><img src="../gifs/index.gif" alt="Book Index" border="0" /></a></td><td align="right" valign="top" width="228">15.4. Sample Document</td></tr></table></div><hr width="684" align="left" /><img src="../gifs/navbar.gif" usemap="#library-map" border="0" alt="Library Navigation Links" /><p><p><font size="-1"><a href="copyrght.htm">Copyright © 2003</a> O'Reilly & Associates. 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