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Next: <a href="_0040majorheading-_0040chapheading.html" accesskey="n" rel="next"><code class="code">@majorheading</code>, <code class="code">@chapheading</code>: Chapter-level Headings</a>, Previous: <a href="_0040chapter.html" accesskey="p" rel="prev"><code class="code">@chapter</code>: Chapter Structuring</a>, Up: <a href="Chapter-Structuring.html" accesskey="u" rel="up">Chapter Structuring</a> &nbsp; [<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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<h3 class="section" id="g_t_0040unnumbered_002c-_0040appendix_003a-Chapters-with-Other-Labeling">4.4 <code class="code">@unnumbered</code>, <code class="code">@appendix</code>: Chapters with Other Labeling</h3>
<a class="anchor" id="unnumbered-_0026-appendix"></a><a class="index-entry-id" id="index-unnumbered"></a>
<a class="index-entry-id" id="index-appendix"></a>
<p>Use the <code class="code">@unnumbered</code> command to start a chapter-level element
that appears without chapter numbers of any kind. Use the
<code class="code">@appendix</code> command to start an appendix that is labeled by
letter (&lsquo;A&rsquo;, &lsquo;B&rsquo;, &hellip;) instead of by number; appendices are also
at the chapter level of structuring.
</p>
<p>Write an <code class="code">@appendix</code> or <code class="code">@unnumbered</code> command at the
beginning of a line and follow it on the same line by the title,
just as with <code class="code">@chapter</code>.
</p>
<a class="index-entry-id" id="index-centerchap"></a>
<p>Texinfo also provides a command <code class="code">@centerchap</code>, which is analogous
to <code class="code">@unnumbered</code>, but centers its argument in the printed and HTML
outputs. This kind of stylistic choice is not usually offered by
Texinfo.
You are recommended not to use this command, as
it may be removed in future releases of Texinfo.
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<a class="index-entry-id" id="index-DocBook-and-prefatory-sections"></a>
<a class="index-entry-id" id="index-Preface_002c-etc_002e_002c-and-DocBook"></a>
<p>With <code class="code">@unnumbered</code>, if the name of the associated node is one of
these English words (case-insensitive):
</p>
<div class="example">
<pre class="example-preformatted">Acknowledgements Colophon Dedication Preface
</pre></div>
<a class="index-entry-id" id="index-_003cacknowledgements_003e-DocBook-tag"></a>
<a class="index-entry-id" id="index-_003ccolophon_003e-DocBook-tag"></a>
<a class="index-entry-id" id="index-_003cdedication_003e-DocBook-tag"></a>
<a class="index-entry-id" id="index-_003cpreface_003e-DocBook-tag"></a>
<a class="index-entry-id" id="index-_003cchapter_003e-DocBook-tag"></a>
<a class="index-entry-id" id="index-_003ctitle_003e-DocBook-tag"></a>
<p>then the DocBook output uses corresponding special tags
(<code class="code">&lt;preface&gt;</code>, etc.) instead of the default <code class="code">&lt;chapter&gt;</code>.
The argument to <code class="code">@unnumbered</code> itself can be anything, and is
output as the following <code class="code">&lt;title&gt;</code> text as usual.
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