D-Net

<?xml version="1.0"?>

<!DOCTYPE xsl:stylesheet [

<!ENTITY % common.entities SYSTEM "../common/entities.ent">

%common.entities;

]>

<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"

                xmlns:exslt="http://exslt.org/common"

                extension-element-prefixes="exslt"

                exclude-result-prefixes="exslt"

                version="1.0">

<!-- ********************************************************************

     $Id: autoidx.xsl 8399 2009-04-08 07:37:42Z bobstayton $

     ********************************************************************

     This file is part of the XSL DocBook Stylesheet distribution.

     See ../README or http://docbook.sf.net/release/xsl/current/ for

     copyright and other information.

     ******************************************************************** -->

<!-- ==================================================================== -->

<!-- The "basic" method derived from Jeni Tennison's work. -->

<!-- The "kosek" method contributed by Jirka Kosek. -->

<!-- The "kimber" method contributed by Eliot Kimber of Innodata Isogen. -->

<xsl:variable name="kimber.imported" select="0"/>

<xsl:variable name="kosek.imported" select="0"/>

<xsl:key name="letter"

         match="indexterm"

         use="translate(substring(&primary;, 1, 1),&lowercase;,&uppercase;)"/>

<xsl:key name="primary"

         match="indexterm"

         use="&primary;"/>

<xsl:key name="secondary"

         match="indexterm"

         use="concat(&primary;, &sep;, &secondary;)"/>

<xsl:key name="tertiary"

         match="indexterm"

         use="concat(&primary;, &sep;, &secondary;, &sep;, &tertiary;)"/>

<xsl:key name="endofrange"

         match="indexterm[@class='endofrange']"

         use="@startref"/>

<xsl:key name="primary-section"

         match="indexterm[not(secondary) and not(see)]"

         use="concat(&primary;, &sep;, &section.id;)"/>

<xsl:key name="secondary-section"

         match="indexterm[not(tertiary) and not(see)]"

         use="concat(&primary;, &sep;, &secondary;, &sep;, &section.id;)"/>

<xsl:key name="tertiary-section"

         match="indexterm[not(see)]"

         use="concat(&primary;, &sep;, &secondary;, &sep;, &tertiary;, &sep;, &section.id;)"/>

<xsl:key name="see-also"

         match="indexterm[seealso]"

         use="concat(&primary;, &sep;, &secondary;, &sep;, &tertiary;, &sep;, seealso)"/>

<xsl:key name="see"

         match="indexterm[see]"

         use="concat(&primary;, &sep;, &secondary;, &sep;, &tertiary;, &sep;, see)"/>

<xsl:key name="sections" match="*[@id or @xml:id]" use="@id|@xml:id"/>

<xsl:template name="generate-index">

  <xsl:param name="scope" select="(ancestor::book|/)[last()]"/>

  <xsl:choose>

    <xsl:when test="$index.method = 'kosek'">

      <xsl:call-template name="generate-kosek-index">

        <xsl:with-param name="scope" select="$scope"/>

      </xsl:call-template>

    </xsl:when>

    <xsl:when test="$index.method = 'kimber'">

      <xsl:call-template name="generate-kimber-index">

        <xsl:with-param name="scope" select="$scope"/>

      </xsl:call-template>

    </xsl:when>

    <xsl:otherwise>

      <xsl:call-template name="generate-basic-index">

        <xsl:with-param name="scope" select="$scope"/>

      </xsl:call-template>

    </xsl:otherwise>

  </xsl:choose>

</xsl:template>

<xsl:template name="generate-basic-index">

  <xsl:param name="scope" select="NOTANODE"/>

  <xsl:variable name="role">

    <xsl:if test="$index.on.role != 0">

      <xsl:value-of select="@role"/>

    </xsl:if>

  </xsl:variable>

  <xsl:variable name="type">

    <xsl:if test="$index.on.type != 0">

      <xsl:value-of select="@type"/>

    </xsl:if>

  </xsl:variable>

  <xsl:variable name="terms"

                select="//indexterm

                        [count(.|key('letter',

                          translate(substring(&primary;, 1, 1),

                             &lowercase;,

                             &uppercase;))

                          [&scope;][1]) = 1

                          and not(@class = 'endofrange')]"/>

  <xsl:variable name="alphabetical"

                select="$terms[contains(concat(&lowercase;, &uppercase;),

                                        substring(&primary;, 1, 1))]"/>

  <xsl:variable name="others" select="$terms[not(contains(concat(&lowercase;,

                                                 &uppercase;),

                                             substring(&primary;, 1, 1)))]"/>

  <div class="index">

    <xsl:if test="$others">

      <div class="indexdiv">

        <h3>

          <xsl:call-template name="gentext">

            <xsl:with-param name="key" select="'index symbols'"/>

          </xsl:call-template>

        </h3>

        <dl>

          <xsl:apply-templates select="$others[count(.|key('primary',

                                       &primary;)[&scope;][1]) = 1]"

                               mode="index-symbol-div">

            <xsl:with-param name="position" select="position()"/>                                

            <xsl:with-param name="scope" select="$scope"/>

            <xsl:with-param name="role" select="$role"/>

            <xsl:with-param name="type" select="$type"/>

            <xsl:sort select="translate(&primary;, &lowercase;, &uppercase;)"/>

          </xsl:apply-templates>

        </dl>

      </div>

    </xsl:if>

    <xsl:apply-templates select="$alphabetical[count(.|key('letter',

                                 translate(substring(&primary;, 1, 1),

                                           &lowercase;,&uppercase;))[&scope;][1]) = 1]"

                         mode="index-div-basic">

      <xsl:with-param name="position" select="position()"/>

      <xsl:with-param name="scope" select="$scope"/>

      <xsl:with-param name="role" select="$role"/>

      <xsl:with-param name="type" select="$type"/>

      <xsl:sort select="translate(&primary;, &lowercase;, &uppercase;)"/>

    </xsl:apply-templates>

  </div>

</xsl:template>

<!-- This template not used if html/autoidx-kosek.xsl is imported -->

<xsl:template name="generate-kosek-index">

  <xsl:param name="scope" select="NOTANODE"/>

  <xsl:variable name="vendor" select="system-property('xsl:vendor')"/>

  <xsl:if test="contains($vendor, 'libxslt')">

    <xsl:message terminate="yes">

      <xsl:text>ERROR: the 'kosek' index method does not </xsl:text>

      <xsl:text>work with the xsltproc XSLT processor.</xsl:text>

    </xsl:message>

  </xsl:if>

  <xsl:if test="$exsl.node.set.available = 0">

    <xsl:message terminate="yes">

      <xsl:text>ERROR: the 'kosek' index method requires the </xsl:text>

      <xsl:text>exslt:node-set() function. Use a processor that </xsl:text>

      <xsl:text>has it, or use a different index method.</xsl:text>

    </xsl:message>

  </xsl:if>

  <xsl:if test="$kosek.imported = 0">

    <xsl:message terminate="yes">

      <xsl:text>ERROR: the 'kosek' index method requires the&#xA;</xsl:text>

      <xsl:text>kosek index extensions be imported:&#xA;</xsl:text>

      <xsl:text>  xsl:import href="html/autoidx-kosek.xsl"</xsl:text>

    </xsl:message>

  </xsl:if>

</xsl:template>

<!-- This template not used if html/autoidx-kimber.xsl is imported -->

<xsl:template name="generate-kimber-index">

  <xsl:param name="scope" select="NOTANODE"/>

  <xsl:variable name="vendor" select="system-property('xsl:vendor')"/>

  <xsl:if test="not(contains($vendor, 'SAXON '))">

    <xsl:message terminate="yes">

      <xsl:text>ERROR: the 'kimber' index method requires the </xsl:text>

      <xsl:text>Saxon version 6 or 8 XSLT processor.</xsl:text>

    </xsl:message>

  </xsl:if>

  <xsl:if test="$kimber.imported = 0">

    <xsl:message terminate="yes">

      <xsl:text>ERROR: the 'kimber' index method requires the&#xA;</xsl:text>

      <xsl:text>kimber index extensions be imported:&#xA;</xsl:text>

      <xsl:text>  xsl:import href="html/autoidx-kimber.xsl"</xsl:text>

    </xsl:message>

  </xsl:if>

</xsl:template>

<xsl:template match="indexterm" mode="index-div-basic">

  <xsl:param name="scope" select="."/>

  <xsl:param name="role" select="''"/>

  <xsl:param name="type" select="''"/>

  <xsl:variable name="key"

                select="translate(substring(&primary;, 1, 1),

                         &lowercase;,&uppercase;)"/>

  <xsl:if test="key('letter', $key)[&scope;]

                [count(.|key('primary', &primary;)[&scope;][1]) = 1]">

    <div class="indexdiv">

      <xsl:if test="contains(concat(&lowercase;, &uppercase;), $key)">

        <h3>

          <xsl:value-of select="translate($key, &lowercase;, &uppercase;)"/>

        </h3>

      </xsl:if>

      <dl>

        <xsl:apply-templates select="key('letter', $key)[&scope;]

                                     [count(.|key('primary', &primary;)

                                     [&scope;][1])=1]"

                             mode="index-primary">

          <xsl:with-param name="position" select="position()"/>

          <xsl:with-param name="scope" select="$scope"/>

          <xsl:with-param name="role" select="$role"/>

          <xsl:with-param name="type" select="$type"/>

          <xsl:sort select="translate(&primary;, &lowercase;, &uppercase;)"/>

        </xsl:apply-templates>

      </dl>

    </div>

  </xsl:if>

</xsl:template>

<xsl:template match="indexterm" mode="index-symbol-div">

  <xsl:param name="scope" select="/"/>

  <xsl:param name="role" select="''"/>

  <xsl:param name="type" select="''"/>

  <xsl:variable name="key" select="translate(substring(&primary;, 1, 1),

                                             &lowercase;,&uppercase;)"/>

  <xsl:apply-templates select="key('letter', $key)

                               [&scope;][count(.|key('primary', &primary;)[1]) = 1]"

                       mode="index-primary">

    <xsl:with-param name="position" select="position()"/>

    <xsl:with-param name="scope" select="$scope"/>

    <xsl:with-param name="role" select="$role"/>

    <xsl:with-param name="type" select="$type"/>

    <xsl:sort select="translate(&primary;, &lowercase;, &uppercase;)"/>

  </xsl:apply-templates>

</xsl:template>

<xsl:template match="indexterm" mode="index-primary">

  <xsl:param name="scope" select="."/>

  <xsl:param name="role" select="''"/>

  <xsl:param name="type" select="''"/>

  <xsl:variable name="key" select="&primary;"/>

  <xsl:variable name="refs" select="key('primary', $key)[&scope;]"/>

  <dt>

    <xsl:for-each select="$refs/primary">

      <xsl:if test="@id or @xml:id">

        <a name="{(@id|@xml:id)[1]}"/>

      </xsl:if>

    </xsl:for-each>

    <xsl:value-of select="primary"/>

    <xsl:choose>

      <xsl:when test="$index.links.to.section = 1">

        <xsl:for-each select="$refs[generate-id() = generate-id(key('primary-section', concat($key, &sep;, &section.id;))[&scope;][1])]">

          <xsl:apply-templates select="." mode="reference">

            <xsl:with-param name="position" select="position()"/>

            <xsl:with-param name="scope" select="$scope"/>

            <xsl:with-param name="role" select="$role"/>

            <xsl:with-param name="type" select="$type"/>

          </xsl:apply-templates>

        </xsl:for-each>

      </xsl:when>

      <xsl:otherwise>

        <xsl:for-each select="$refs[&scope;]">

          <xsl:apply-templates select="." mode="reference">

            <xsl:with-param name="position" select="position()"/>

            <xsl:with-param name="scope" select="$scope"/>

            <xsl:with-param name="role" select="$role"/>

            <xsl:with-param name="type" select="$type"/>

          </xsl:apply-templates>

        </xsl:for-each>

      </xsl:otherwise>

    </xsl:choose>

    <xsl:if test="$refs[not(secondary)]/*[self::see]">

      <xsl:apply-templates select="$refs[generate-id() = generate-id(key('see', concat(&primary;, &sep;, &sep;, &sep;, see))[&scope;][1])]"

                           mode="index-see">

        <xsl:with-param name="position" select="position()"/>

        <xsl:with-param name="scope" select="$scope"/>

        <xsl:with-param name="role" select="$role"/>

        <xsl:with-param name="type" select="$type"/>

        <xsl:sort select="translate(see, &lowercase;, &uppercase;)"/>

      </xsl:apply-templates>

    </xsl:if>

  </dt>

  <xsl:if test="$refs/secondary or $refs[not(secondary)]/*[self::seealso]">

    <dd>

      <dl>

        <xsl:apply-templates select="$refs[generate-id() = generate-id(key('see-also', concat(&primary;, &sep;, &sep;, &sep;, seealso))[&scope;][1])]"

                             mode="index-seealso">

          <xsl:with-param name="position" select="position()"/>

          <xsl:with-param name="scope" select="$scope"/>

          <xsl:with-param name="role" select="$role"/>

          <xsl:with-param name="type" select="$type"/>

          <xsl:sort select="translate(seealso, &lowercase;, &uppercase;)"/>

        </xsl:apply-templates>

        <xsl:apply-templates select="$refs[secondary and count(.|key('secondary', concat($key, &sep;, &secondary;))[&scope;][1]) = 1]" 

                             mode="index-secondary">

          <xsl:with-param name="position" select="position()"/>

          <xsl:with-param name="scope" select="$scope"/>

          <xsl:with-param name="role" select="$role"/>

          <xsl:with-param name="type" select="$type"/>

          <xsl:sort select="translate(&secondary;, &lowercase;, &uppercase;)"/>

        </xsl:apply-templates>

      </dl>

    </dd>

  </xsl:if>

</xsl:template>

<xsl:template match="indexterm" mode="index-secondary">

  <xsl:param name="scope" select="."/>

  <xsl:param name="role" select="''"/>

  <xsl:param name="type" select="''"/>

  <xsl:variable name="key" select="concat(&primary;, &sep;, &secondary;)"/>

  <xsl:variable name="refs" select="key('secondary', $key)[&scope;]"/>

  <dt>

    <xsl:for-each select="$refs/secondary">

      <xsl:if test="@id or @xml:id">

        <a name="{(@id|@xml:id)[1]}"/>

      </xsl:if>

    </xsl:for-each>

    <xsl:value-of select="secondary"/>

    <xsl:choose>

      <xsl:when test="$index.links.to.section = 1">

        <xsl:for-each select="$refs[generate-id() = generate-id(key('secondary-section', concat($key, &sep;, &section.id;))[&scope;][1])]">

          <xsl:apply-templates select="." mode="reference">

            <xsl:with-param name="position" select="position()"/>

            <xsl:with-param name="scope" select="$scope"/>

            <xsl:with-param name="role" select="$role"/>

            <xsl:with-param name="type" select="$type"/>

          </xsl:apply-templates>

        </xsl:for-each>

      </xsl:when>

      <xsl:otherwise>

        <xsl:for-each select="$refs[&scope;]">

          <xsl:apply-templates select="." mode="reference">

            <xsl:with-param name="position" select="position()"/>

            <xsl:with-param name="scope" select="$scope"/>

            <xsl:with-param name="role" select="$role"/>

            <xsl:with-param name="type" select="$type"/>

          </xsl:apply-templates>

        </xsl:for-each>

      </xsl:otherwise>

    </xsl:choose>

    <xsl:if test="$refs[not(tertiary)]/*[self::see]">

      <xsl:apply-templates select="$refs[generate-id() = generate-id(key('see', concat(&primary;, &sep;, &secondary;, &sep;, &sep;, see))[&scope;][1])]"

                           mode="index-see">

        <xsl:with-param name="position" select="position()"/>

        <xsl:with-param name="scope" select="$scope"/>

        <xsl:with-param name="role" select="$role"/>

        <xsl:with-param name="type" select="$type"/>

        <xsl:sort select="translate(see, &lowercase;, &uppercase;)"/>

      </xsl:apply-templates>

    </xsl:if>

  </dt>

  <xsl:if test="$refs/tertiary or $refs[not(tertiary)]/*[self::seealso]">

    <dd>

      <dl>

        <xsl:apply-templates select="$refs[generate-id() = generate-id(key('see-also', concat(&primary;, &sep;, &secondary;, &sep;, &sep;, seealso))[&scope;][1])]"

                             mode="index-seealso">

          <xsl:with-param name="position" select="position()"/>

          <xsl:with-param name="scope" select="$scope"/>

          <xsl:with-param name="role" select="$role"/>

          <xsl:with-param name="type" select="$type"/>

          <xsl:sort select="translate(seealso, &lowercase;, &uppercase;)"/>

        </xsl:apply-templates>

        <xsl:apply-templates select="$refs[tertiary and count(.|key('tertiary', concat($key, &sep;, &tertiary;))[&scope;][1]) = 1]" 

                             mode="index-tertiary">

          <xsl:with-param name="position" select="position()"/>

          <xsl:with-param name="scope" select="$scope"/>

          <xsl:with-param name="role" select="$role"/>

          <xsl:with-param name="type" select="$type"/>

          <xsl:sort select="translate(&tertiary;, &lowercase;, &uppercase;)"/>

        </xsl:apply-templates>

      </dl>

    </dd>

  </xsl:if>

</xsl:template>

<xsl:template match="indexterm" mode="index-tertiary">

  <xsl:param name="scope" select="."/>

  <xsl:param name="role" select="''"/>

  <xsl:param name="type" select="''"/>

  <xsl:variable name="key" select="concat(&primary;, &sep;, &secondary;, &sep;, &tertiary;)"/>

  <xsl:variable name="refs" select="key('tertiary', $key)[&scope;]"/>

  <dt>

    <xsl:for-each select="$refs/tertiary">

      <xsl:if test="@id or @xml:id">

        <a name="{(@id|@xml:id)[1]}"/>

      </xsl:if>

    </xsl:for-each>

    <xsl:value-of select="tertiary"/>

    <xsl:choose>

      <xsl:when test="$index.links.to.section = 1">

        <xsl:for-each select="$refs[generate-id() = generate-id(key('tertiary-section', concat($key, &sep;, &section.id;))[&scope;][1])]">

          <xsl:apply-templates select="." mode="reference">

            <xsl:with-param name="position" select="position()"/>

            <xsl:with-param name="scope" select="$scope"/>

            <xsl:with-param name="role" select="$role"/>

            <xsl:with-param name="type" select="$type"/>

          </xsl:apply-templates>

        </xsl:for-each>

      </xsl:when>

      <xsl:otherwise>

        <xsl:for-each select="$refs[&scope;]">

          <xsl:apply-templates select="." mode="reference">

            <xsl:with-param name="position" select="position()"/>

            <xsl:with-param name="scope" select="$scope"/>

            <xsl:with-param name="role" select="$role"/>

            <xsl:with-param name="type" select="$type"/>

          </xsl:apply-templates>

        </xsl:for-each>

      </xsl:otherwise>

    </xsl:choose>

    <xsl:if test="$refs/see">

      <xsl:apply-templates select="$refs[generate-id() = generate-id(key('see', concat(&primary;, &sep;, &secondary;, &sep;, &tertiary;, &sep;, see))[&scope;][1])]"

                           mode="index-see">

        <xsl:with-param name="position" select="position()"/>

        <xsl:with-param name="scope" select="$scope"/>

        <xsl:with-param name="role" select="$role"/>

        <xsl:with-param name="type" select="$type"/>

        <xsl:sort select="translate(see, &lowercase;, &uppercase;)"/>

      </xsl:apply-templates>

    </xsl:if>

  </dt>

  <xsl:if test="$refs/seealso">

    <dd>

      <dl>

        <xsl:apply-templates select="$refs[generate-id() = generate-id(key('see-also', concat(&primary;, &sep;, &secondary;, &sep;, &tertiary;, &sep;, seealso))[&scope;][1])]"

                             mode="index-seealso">

          <xsl:with-param name="position" select="position()"/>

          <xsl:with-param name="scope" select="$scope"/>

          <xsl:with-param name="role" select="$role"/>

          <xsl:with-param name="type" select="$type"/>

          <xsl:sort select="translate(seealso, &lowercase;, &uppercase;)"/>

        </xsl:apply-templates>

      </dl>

    </dd>

  </xsl:if>

</xsl:template>

<xsl:template match="indexterm" mode="reference">

  <xsl:param name="scope" select="."/>

  <xsl:param name="role" select="''"/>

  <xsl:param name="type" select="''"/>

  <xsl:param name="position"/>

  <xsl:variable name="term.separator">

    <xsl:call-template name="index.separator">

      <xsl:with-param name="key" select="'index.term.separator'"/>

    </xsl:call-template>

  </xsl:variable>

  <xsl:variable name="number.separator">

    <xsl:call-template name="index.separator">

      <xsl:with-param name="key" select="'index.number.separator'"/>

    </xsl:call-template>

  </xsl:variable>

  <xsl:variable name="range.separator">

    <xsl:call-template name="index.separator">

      <xsl:with-param name="key" select="'index.range.separator'"/>

    </xsl:call-template>

  </xsl:variable>

  <xsl:choose>

    <xsl:when test="$position = 1">

      <xsl:value-of select="$term.separator"/>

    </xsl:when>

    <xsl:otherwise>

      <xsl:value-of select="$number.separator"/>

    </xsl:otherwise>

  </xsl:choose>

  <xsl:choose>

    <xsl:when test="@zone and string(@zone)">

      <xsl:call-template name="reference">

        <xsl:with-param name="zones" select="normalize-space(@zone)"/>

        <xsl:with-param name="position" select="position()"/>

        <xsl:with-param name="scope" select="$scope"/>

        <xsl:with-param name="role" select="$role"/>

        <xsl:with-param name="type" select="$type"/>

      </xsl:call-template>

    </xsl:when>

    <xsl:otherwise>

      <a>

        <xsl:apply-templates select="." mode="class.attribute"/>

        <xsl:variable name="title">

          <xsl:choose>

            <xsl:when test="&section;/titleabbrev and $index.prefer.titleabbrev != 0">

              <xsl:apply-templates select="&section;" mode="titleabbrev.markup"/>

            </xsl:when>

            <xsl:otherwise>

              <xsl:apply-templates select="&section;" mode="title.markup"/>

            </xsl:otherwise>

          </xsl:choose>

        </xsl:variable>

        <xsl:attribute name="href">

          <xsl:choose>

            <xsl:when test="$index.links.to.section = 1">

              <xsl:call-template name="href.target">

                <xsl:with-param name="object" select="&section;"/>

                <xsl:with-param name="context" select="//index[&scope;][1]"/>

              </xsl:call-template>

            </xsl:when>

            <xsl:otherwise>

              <xsl:call-template name="href.target">

                <xsl:with-param name="object" select="."/>

                <xsl:with-param name="context" select="//index[&scope;][1]"/>

              </xsl:call-template>

            </xsl:otherwise>

          </xsl:choose>

        </xsl:attribute>

        <xsl:value-of select="$title"/> <!-- text only -->

      </a>

      <xsl:variable name="id" select="(@id|@xml:id)[1]"/>

      <xsl:if test="key('endofrange', $id)[&scope;]">

        <xsl:apply-templates select="key('endofrange', $id)[&scope;][last()]"

                             mode="reference">

          <xsl:with-param name="position" select="position()"/>

          <xsl:with-param name="scope" select="$scope"/>

          <xsl:with-param name="role" select="$role"/>

          <xsl:with-param name="type" select="$type"/>

          <xsl:with-param name="separator" select="$range.separator"/>

        </xsl:apply-templates>

      </xsl:if>

    </xsl:otherwise>

  </xsl:choose>

</xsl:template>

<xsl:template name="reference">

  <xsl:param name="scope" select="."/>

  <xsl:param name="role" select="''"/>

  <xsl:param name="type" select="''"/>

  <xsl:param name="zones"/>

  <xsl:choose>

    <xsl:when test="contains($zones, ' ')">

      <xsl:variable name="zone" select="substring-before($zones, ' ')"/>

      <xsl:variable name="target" select="key('sections', $zone)"/>

      <a>

        <xsl:apply-templates select="." mode="class.attribute"/>

        <xsl:attribute name="href">

          <xsl:call-template name="href.target">

            <xsl:with-param name="object" select="$target[1]"/>

            <xsl:with-param name="context" select="//index[&scope;][1]"/>

          </xsl:call-template>

        </xsl:attribute>

        <xsl:apply-templates select="$target[1]" mode="index-title-content"/>

      </a>

      <xsl:text>, </xsl:text>

      <xsl:call-template name="reference">

        <xsl:with-param name="zones" select="substring-after($zones, ' ')"/>

        <xsl:with-param name="position" select="position()"/>

        <xsl:with-param name="scope" select="$scope"/>

        <xsl:with-param name="role" select="$role"/>

        <xsl:with-param name="type" select="$type"/>

      </xsl:call-template>

    </xsl:when>

    <xsl:otherwise>

      <xsl:variable name="zone" select="$zones"/>

      <xsl:variable name="target" select="key('sections', $zone)"/>

      <a>

        <xsl:apply-templates select="." mode="class.attribute"/>

        <xsl:attribute name="href">

          <xsl:call-template name="href.target">

            <xsl:with-param name="object" select="$target[1]"/>

            <xsl:with-param name="context" select="//index[&scope;][1]"/>

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        <xsl:apply-templates select="$target[1]" mode="index-title-content"/>

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<xsl:template match="indexterm" mode="index-see">

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  <xsl:param name="role" select="''"/>

  <xsl:param name="type" select="''"/>

  <xsl:text> (</xsl:text>

  <xsl:call-template name="gentext">

    <xsl:with-param name="key" select="'see'"/>

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  <xsl:text> </xsl:text>

  <xsl:value-of select="see"/>

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<xsl:template match="indexterm" mode="index-seealso">

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  <xsl:param name="role" select="''"/>

  <xsl:param name="type" select="''"/>

  <xsl:for-each select="seealso">

    <xsl:sort select="translate(., &lowercase;, &uppercase;)"/>

    <dt>

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    <xsl:call-template name="gentext">

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    <xsl:text> </xsl:text>

    <xsl:value-of select="."/>

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<xsl:template match="*" mode="index-title-content">

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  <xsl:value-of select="$title"/>

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<xsl:template name="index.separator">

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  <xsl:param name="lang">

    <xsl:call-template name="l10n.language"/>

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        <!-- Use the override if not blank -->

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          <xsl:call-template name="gentext.template">

            <xsl:with-param name="lang" select="$lang"/>

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            <xsl:with-param name="name">term-separator</xsl:with-param>

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    <xsl:when test="$key = 'index.number.separator'">

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        <!-- Use the override if not blank -->

        <xsl:when test="$index.number.separator != ''">

          <xsl:copy-of select="$index.number.separator"/>

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        <xsl:otherwise>

          <xsl:call-template name="gentext.template">

            <xsl:with-param name="lang" select="$lang"/>

            <xsl:with-param name="context">index</xsl:with-param>

            <xsl:with-param name="name">number-separator</xsl:with-param>

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    <xsl:when test="$key = 'index.range.separator'">

      <xsl:choose>

        <!-- Use the override if not blank -->

        <xsl:when test="$index.range.separator != ''">

          <xsl:copy-of select="$index.range.separator"/>

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        <xsl:otherwise>

          <xsl:call-template name="gentext.template">

            <xsl:with-param name="lang" select="$lang"/>

            <xsl:with-param name="context">index</xsl:with-param>

            <xsl:with-param name="name">range-separator</xsl:with-param>

          </xsl:call-template>

        </xsl:otherwise>

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</xsl:template>

</xsl:stylesheet>