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<h4 class="subsection" id="Table-of-Contents-1">3.2.7 Table of Contents</h4>
<a class="index-entry-id" id="index-table-of-contents"></a>
<a class="index-entry-id" id="index-contents_002c-table-of"></a>
<p>A package may handle a <i class="slanted">table of contents</i> by directing section
heading macros to save section heading text and the page number where it
occurs for use in a later <i class="slanted">entry</i> for a table of contents. It
writes the collected entries at the end of the document, once all are
known, upon request. A row of dots (a <i class="slanted">leader</i>) bridges the
text on the left with its location on the right. Other collections
might work in this manner, providing lists of figures or tables.
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<p>A table of contents is often found at the end of a GNU <code class="code">troff</code>
document because the formatter processes the document in a single pass.
The <code class="command">gropdf</code> output driver supports a PDF feature that relocates
pages at the time the document is rendered; see the <cite class="cite">gropdf<span class="r">(1)</span></cite>
man page. Type ‘<samp class="samp">man gropdf</samp>’ at the command line to view it.
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