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<title>Common Features (The GNU Troff Manual)</title>
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Previous: <a href="Basics.html" accesskey="p" rel="prev">Basics</a>, Up: <a href="Tutorial-for-Macro-Users.html" accesskey="u" rel="up">Tutorial for Macro Users</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Request-Index.html" title="Index" rel="index">Index</a>]</p>
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<h3 class="section" id="Common-Features-1">3.2 Common Features</h3>
<a class="index-entry-id" id="index-common-features"></a>
<a class="index-entry-id" id="index-features_002c-common"></a>
<p>GNU <code class="code">troff</code> provides low-level operations for formatting a
document. Many routine operations are undertaken in nearly all
documents that require a series of such primitive operations to be
performed. These common tasks are grouped into <i class="slanted">macros</i>, which
are then collected into a <i class="slanted">macro package</i>.
</p>
<p>Macro packages come in two varieties: “major” or “full-service”
ones that manage page layout, and “minor” or “auxiliary” ones that
do not, instead fulfilling narrow, specific tasks. Find a list in the
<cite class="cite">groff_tmac<span class="r">(5)</span></cite> man page. Type ‘<samp class="samp">man groff_tmac</samp>’ at the
command line to view it.
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<p>We survey several capabilities of full-service macro package below.
Each package employs its own macros to exercise them. For details,
consult its man page or, for <samp class="file">ms</samp>, see <a class="ref" href="ms.html"><samp class="file">ms</samp></a>.
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