source: downloads/boost_1_34_1/tools/boostbook/xsl/dtd/dtd2boostbook.xsl @ 29

<?xml version="1.0" encoding="utf-8"?>
<!--
   Copyright (c) 2002 Douglas Gregor <doug.gregor -at- gmail.com>
  
   Distributed under the Boost Software License, Version 1.0.
   (See accompanying file LICENSE_1_0.txt or copy at
   http://www.boost.org/LICENSE_1_0.txt)
  -->
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
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  <xsl:key name="elements" match="element" use="@name"/>
  <xsl:key name="attributes" match="attlist" use="@name"/>
  <xsl:key name="attribute-purposes" match="attpurpose" use="@name"/>

  <xsl:template match="dtd">
    <section id="reference">
      <title>Reference</title>
      <para>
        <xsl:text>Elements:</xsl:text>
        <itemizedlist spacing="compact">
          <xsl:apply-templates select="element" mode="synopsis">
            <xsl:sort select="@name"/>
          </xsl:apply-templates>
        </itemizedlist>
      </para>
      <xsl:apply-templates select="element"/>
    </section>
  </xsl:template>

  <!-- Element synopsis -->
  <xsl:template match="element" mode="synopsis">
    <listitem>
      <simpara>
        <link>
          <xsl:attribute name="linkend">
            <xsl:value-of select="concat('boostbook.dtd.',@name)"/>
          </xsl:attribute>
          <xsl:text>Element </xsl:text>
          <sgmltag><xsl:value-of select="@name"/></sgmltag>
          <xsl:text> - </xsl:text>
          <xsl:apply-templates select="purpose"/>
        </link>
      </simpara>
    </listitem>
  </xsl:template>

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      <xsl:attribute name="id">
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      </xsl:attribute>

      <refmeta>
        <refentrytitle>
          BoostBook element <sgmltag><xsl:value-of select="@name"/></sgmltag>
        </refentrytitle>
        <manvolnum>9</manvolnum>
      </refmeta>
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        <refname><xsl:value-of select="@name"/></refname>
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              <entry>Type</entry>
              <entry>Value</entry>
              <entry>Purpose</entry>
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            <xsl:apply-templates/>
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