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<span id="Structuring-Command-Types"></span><div class="header">
<p>
Next: <a href="_0040chapter.html" accesskey="n" rel="next"><code>@chapter</code></a>, Previous: <a href="Tree-Structuring.html" accesskey="p" rel="prev">Tree Structuring</a>, Up: <a href="Chapter-Structuring.html" accesskey="u" rel="up">Chapter Structuring</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Command-and-Variable-Index.html" title="Index" rel="index">Index</a>]</p>
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<hr>
<span id="Structuring-Command-Types-1"></span><h3 class="section">5.2 Structuring Command Types</h3>
<p>The chapter structuring commands fall into four groups or series, each
of which contains structuring commands corresponding to the
hierarchical levels of chapters, sections, subsections, and
subsubsections.
</p>
<p>The four groups of commands are the <code>@chapter</code> series, the
<code>@unnumbered</code> series, the <code>@appendix</code> series, and the
<code>@heading</code> series. Each command produces a title with a
different appearance in the body of the document. Some of the
commands list their titles in the tables of contents, while others do
not. Here are the details:
</p>
<ul>
<li> The <code>@chapter</code> and <code>@appendix</code> series of commands produce
numbered or lettered entries both in the body of a document and in its
table of contents.
</li><li> The <code>@unnumbered</code> series of commands produce unnumbered entries
both in the body of a document and in its table of contents. The
<code>@top</code> command, which has a special use, is a member of this
series (see <a href="_0040top-Command.html"><code>@top</code> Command</a>). An <code>@unnumbered</code> section
is a normal part of the document structure.
</li><li> The <code>@heading</code> series of commands produce simple unnumbered
headings that do not appear in a table of contents, are not associated
with nodes, and cannot be cross-referenced. These heading commands
never start a new page.
</li></ul>
<p>When a <code>@setchapternewpage</code> command says to do so, the
<code>@chapter</code>, <code>@unnumbered</code>, and <code>@appendix</code> commands
start new pages in the printed manual; the <code>@heading</code> commands
do not. See <a href="_0040setchapternewpage.html"><code>@setchapternewpage</code></a>.
</p>
<p>Here is a summary:
</p>
<table>
<tr><td width="19%"></td><td width="30%"></td><td width="28%"></td><td width="22%">No new page</td></tr>
<tr><td width="19%"><i>Numbered</i></td><td width="30%"><i>Unnumbered</i></td><td width="28%"><i>Lettered/numbered</i></td><td width="22%"><i>Unnumbered</i></td></tr>
<tr><td width="19%">In contents</td><td width="30%">In contents</td><td width="28%">In contents</td><td width="22%">Not in contents</td></tr>
<tr><td width="19%"></td><td width="30%"><code>@top</code></td><td width="28%"></td><td width="22%"><code>@majorheading</code></td></tr>
<tr><td width="19%"><code>@chapter</code></td><td width="30%"><code>@unnumbered</code></td><td width="28%"><code>@appendix</code></td><td width="22%"><code>@chapheading</code></td></tr>
<tr><td width="19%"><code>@section</code></td><td width="30%"><code>@unnumberedsec</code></td><td width="28%"><code>@appendixsec</code></td><td width="22%"><code>@heading</code></td></tr>
<tr><td width="19%"><code>@subsection</code></td><td width="30%"><code>@unnumberedsubsec</code></td><td width="28%"><code>@appendixsubsec</code></td><td width="22%"><code>@subheading</code></td></tr>
<tr><td width="19%"><code>@subsubsection</code></td><td width="30%"><code>@unnumberedsubsubsec</code></td><td width="28%"><code>@appendixsubsubsec</code></td><td width="22%"><code>@subsubheading</code></td></tr>
</table>
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