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<html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>Preface</title><link rel="stylesheet" href="synopsis.css" type="text/css" /><meta name="generator" content="DocBook XSL Stylesheets V1.73.2" /><meta name="description" content="This preface introduces the Paths Reference." /><link rel="start" href="index.html" title="Paths Reference" /><link rel="up" href="index.html" title="Paths Reference" /><link rel="prev" href="index.html" title="Paths Reference" /><link rel="next" href="pr01s01.html" title="Organization" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">Preface</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="index.html">Prev</a> </td><th width="60%" align="center"> </th><td width="20%" align="right"> <a accesskey="n" href="pr01s01.html">Next</a></td></tr></table></div><div class="preface" lang="en" xml:lang="en"><div class="titlepage"><div><div><h2 class="title"><a id="preface"></a>Preface</h2></div><div><div class="abstract"><p class="title"><b>Abstract</b></p><p>
This preface introduces the Paths Reference.
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