%common.entities;

]>

                xmlns:d="http://docbook.org/ns/docbook"

		xmlns:fo="http://www.w3.org/1999/XSL/Format"

                xmlns:rx="http://www.renderx.com/XSL/Extensions"

                xmlns:xlink='http://www.w3.org/1999/xlink'

                xmlns:axf="http://www.antennahouse.com/names/XSL/Extensions"

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

                extension-element-prefixes="exslt"

                exclude-result-prefixes="exslt d"

                version="1.0">

     This file is part of the DocBook XSL Stylesheet distribution.

     See ../README or http://cdn.docbook.org/release/xsl/ for copyright

     copyright and other information.

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

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

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

         match="d:indexterm"

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

         match="d:indexterm"

         use="&primary;"/>

         match="d:indexterm"

         use="normalize-space(d:primary)"/>

         match="d:indexterm"

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

         match="d:indexterm"

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

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

         use="@startref"/>

         match="d:indexterm[d:seealso]"

         use="concat(&primary;, &sep;, 

                     &secondary;, &sep;, 

                     &tertiary;, &sep;, d:seealso)"/>

         match="d:indexterm[d:see]"

         use="concat(&primary;, &sep;, 

                     &secondary;, &sep;, 

                     &tertiary;, &sep;, d:see)"/>

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

  <xsl:param name="scope" select="(ancestor::d: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>

                select="//d:indexterm

                        [count(.|key('letter',

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

                             &lowercase;,

                             &uppercase;))

                          [&scope;][1]) = 1

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

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

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

                                        concat(&lowercase;,

                                        &uppercase;),

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

  <fo:block>

    <xsl:if test="$others">

      <xsl:call-template name="indexdiv.title">

        <xsl:with-param name="titlecontent">

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

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

          </xsl:call-template>

        </xsl:with-param>

      </xsl:call-template>

      <fo:block>

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

                             mode="index-symbol-div">

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

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

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

                            &uppercase;)"/>

        </xsl:apply-templates>

      </fo:block>

    </xsl:if>

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

                                           &lowercase;,&uppercase;))

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

                         mode="index-div-basic">

      <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>

  </fo:block>

</xsl:template>

<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
</xsl:text>

      <xsl:text>kosek index extensions be imported:
</xsl:text>

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

    </xsl:message>

  </xsl:if>

</xsl:template>

<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
</xsl:text>

      <xsl:text>kimber index extensions be imported:
</xsl:text>

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

    </xsl:message>

  </xsl:if>

</xsl:template>

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

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

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

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

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

                         &lowercase;,&uppercase;)"/>

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

    <fo:block>

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

        <xsl:call-template name="indexdiv.title">

          <xsl:with-param name="titlecontent">

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

          </xsl:with-param>

        </xsl:call-template>

      </xsl:if>

      <fo:block xsl:use-attribute-sets="index.entry.properties">

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

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

                             mode="index-primary">

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

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

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

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

        </xsl:apply-templates>

      </fo:block>

    </fo:block>

  </xsl:if>

</xsl:template>

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

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

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

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

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

  <fo:block xsl:use-attribute-sets="index.entry.properties">

                         mode="index-primary">

      <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>

  </fo:block>

</xsl:template>

<xsl:template match="d: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;]"/>

  <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="range.separator">

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

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

  <fo:block>

    <xsl:if test="$autolink.index.see != 0">

      <xsl:attribute name="id">

        <xsl:value-of select="concat('ientry-', generate-id())"/>

      </xsl:attribute>

    </xsl:if>

    <xsl:if test="$axf.extensions != 0">

      <xsl:attribute name="axf:suppress-duplicate-page-number">true</xsl:attribute>

    </xsl:if>

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

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

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

      </xsl:if>

    </xsl:for-each>

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

    <xsl:choose>

      <xsl:when test="$xep.extensions != 0">

        <xsl:if test="$refs[not(d:see) and not(d:secondary)]">

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

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

          <xsl:variable name="primary.significant" select="concat(&primary;, $significant.flag)"/>

                         range-separator="{$range.separator}">

            <xsl:if test="$refs[@significance='preferred'][not(d:see) and not(d:secondary)]">

                ref-key="{$primary.significant}"/>

            </xsl:if>

            <xsl:if test="$refs[not(@significance) or @significance!='preferred'][not(d:see) and not(d:secondary)]">

                ref-key="{$primary}"/>

            </xsl:if>

          </rx:page-index>        

        </xsl:if>

      </xsl:when>

      <xsl:otherwise>

        <xsl:variable name="page-number-citations">

                                and not(d:secondary)]">

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

              <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="position" select="position()"/>

            </xsl:apply-templates>

          </xsl:for-each>

        </xsl:variable>

        <xsl:copy-of select="$page-number-citations"/>

      </xsl:otherwise>

    </xsl:choose>

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

                           mode="index-see">

         <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(d:see, &lowercase;, &uppercase;)"/>

      </xsl:apply-templates>

    </xsl:if>

  </fo:block>

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

    <fo:block start-indent="1pc">

                           mode="index-seealso">

         <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(d:seealso, &lowercase;, &uppercase;)"/>

      </xsl:apply-templates>

                           mode="index-secondary">

       <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>

    </fo:block>

  </xsl:if>

</xsl:template>

<xsl:template match="d: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;]"/>

  <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="range.separator">

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

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

  <fo:block>

    <xsl:if test="$axf.extensions != 0">

      <xsl:attribute name="axf:suppress-duplicate-page-number">true</xsl:attribute>

    </xsl:if>

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

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

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

      </xsl:if>

    </xsl:for-each>

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

    <xsl:choose>

      <xsl:when test="$xep.extensions != 0">

        <xsl:if test="$refs[not(d:see) and not(d:tertiary)]">

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

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

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

          <xsl:variable name="primary.significant" select="concat(&primary;, $significant.flag)"/>

                         range-separator="{$range.separator}">

            <xsl:if test="$refs[@significance='preferred'][not(d:see) and not(d:tertiary)]">

              <rx:index-item xsl:use-attribute-sets="index.preferred.page.properties xep.index.item.properties">

                <xsl:attribute name="ref-key">

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

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

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

                </xsl:attribute>

              </rx:index-item>

            </xsl:if>

            <xsl:if test="$refs[not(@significance) or @significance!='preferred'][not(d:see) and not(d:tertiary)]">

              <rx:index-item xsl:use-attribute-sets="xep.index.item.properties">

                <xsl:attribute name="ref-key">

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

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

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

                </xsl:attribute>

              </rx:index-item>

            </xsl:if>

          </rx:page-index>

        </xsl:if>

      </xsl:when>

      <xsl:otherwise>

        <xsl:variable name="page-number-citations">

                                and not(d:tertiary)]">

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

              <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="position" select="position()"/>

            </xsl:apply-templates>

          </xsl:for-each>

        </xsl:variable>

        <xsl:copy-of select="$page-number-citations"/>

      </xsl:otherwise>

    </xsl:choose>

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

                           mode="index-see">

        <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(d:see, &lowercase;, &uppercase;)"/>

      </xsl:apply-templates>

    </xsl:if>

  </fo:block>

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

    <fo:block start-indent="2pc">

                           mode="index-seealso">

          <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(d:seealso, &lowercase;, &uppercase;)"/>

      </xsl:apply-templates>

                           mode="index-tertiary">

          <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>

    </fo:block>

  </xsl:if>

</xsl:template>

<xsl:template match="d: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;]"/>

  <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="range.separator">

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

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

  <fo:block>

    <xsl:if test="$axf.extensions != 0">

      <xsl:attribute name="axf:suppress-duplicate-page-number">true</xsl:attribute>

    </xsl:if>

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

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

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

      </xsl:if>

    </xsl:for-each>

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

    <xsl:choose>

      <xsl:when test="$xep.extensions != 0">

        <xsl:if test="$refs[not(d:see)]">

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

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

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

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

          <xsl:variable name="primary.significant" select="concat(&primary;, $significant.flag)"/>

                         range-separator="{$range.separator}">

            <xsl:if test="$refs[@significance='preferred'][not(d:see)]">

              <rx:index-item xsl:use-attribute-sets="index.preferred.page.properties xep.index.item.properties">

                <xsl:attribute name="ref-key">

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

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

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

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

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

                </xsl:attribute>

              </rx:index-item>

            </xsl:if>

            <xsl:if test="$refs[not(@significance) or @significance!='preferred'][not(d:see)]">

              <rx:index-item xsl:use-attribute-sets="xep.index.item.properties">

                <xsl:attribute name="ref-key">

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

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

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

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

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

                </xsl:attribute>

              </rx:index-item>

            </xsl:if>

          </rx:page-index>

        </xsl:if>

      </xsl:when>

      <xsl:otherwise>

        <xsl:variable name="page-number-citations">

          <xsl:for-each select="$refs[not(d:see)]">

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

              <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="position" select="position()"/>

            </xsl:apply-templates>

          </xsl:for-each>

        </xsl:variable>

        <xsl:copy-of select="$page-number-citations"/>

      </xsl:otherwise>

    </xsl:choose>

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

                           mode="index-see">

        <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(d:see, &lowercase;, &uppercase;)"/>

      </xsl:apply-templates>

    </xsl:if>

  </fo:block>

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

    <fo:block>

                           mode="index-seealso">

        <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(d:seealso, &lowercase;, &uppercase;)"/>

      </xsl:apply-templates>

    </fo:block>

  </xsl:if>

</xsl:template>

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

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

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

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

  <xsl:param name="position" select="0"/>

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

  <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="range.separator">

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

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

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

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

    </xsl:when>

    <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="scope" select="$scope"/>

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

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

      </xsl:call-template>

    </xsl:when>

    <xsl:when test="ancestor::*[contains(local-name(),'info') and not(starts-with(local-name(),'info'))]">

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

        <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="id">

        <xsl:call-template name="object.id"/>

      </xsl:variable>

                     xsl:use-attribute-sets="index.page.number.properties">

        <fo:page-number-citation ref-id="{$id}"/>

      </fo:basic-link>

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

                             mode="reference">

          <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: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:choose>

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

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

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

      <xsl:variable name="id">

        <xsl:call-template name="object.id">

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

        </xsl:call-template>

      </xsl:variable>

                     xsl:use-attribute-sets="index.page.number.properties">

        <fo:page-number-citation ref-id="{$id}"/>

      </fo:basic-link>

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

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

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

        <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('id', $zone)"/>

      <xsl:variable name="id">

        <xsl:call-template name="object.id">

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

        </xsl:call-template>

      </xsl:variable>

                     xsl:use-attribute-sets="index.page.number.properties">

        <fo:page-number-citation ref-id="{$id}"/>

      </fo:basic-link>

    </xsl:otherwise>

  </xsl:choose>

</xsl:template>

<xsl:template name="info.reference">

       It also not work when there is no ID generated for parent element. But it works in the most common cases. -->

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

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

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

                                       ancestor::d:chapter|ancestor::d:glossary|ancestor::d:part|ancestor::d:preface|

                                       ancestor::d:refentry|ancestor::d:reference|ancestor::d:refsect1|ancestor::d:refsect2|

                                       ancestor::d:refsect3|ancestor::d:refsection|ancestor::d:refsynopsisdiv|

                                       ancestor::d:sect1|ancestor::d:sect2|ancestor::d:sect3|ancestor::d:sect4|ancestor::d:sect5|

                                       ancestor::d:section|ancestor::d:setindex|ancestor::d:set|ancestor::d:sidebar|ancestor::d:mediaobject)[&scope;]"/>

  <xsl:variable name="id">

    <xsl:call-template name="object.id">

      <xsl:with-param name="object" select="$target[position() = last()]"/>

    </xsl:call-template>

  </xsl:variable>

                 xsl:use-attribute-sets="index.page.number.properties">

    <fo:page-number-citation ref-id="{$id}"/>

  </fo:basic-link>

</xsl:template>

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

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

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

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

  <xsl:variable name="see" select="normalize-space(d:see)"/>

  in see "primary, secondary" entry -->

  <xsl:variable name="seeprimary">

    <xsl:choose>

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

        <xsl:value-of select="substring-before($see, ',')"/>

      </xsl:when>

      <xsl:otherwise>

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

      </xsl:otherwise>

    </xsl:choose>

  </xsl:variable> 

  <xsl:variable name="seetarget" select="key('primaryonly', $seeprimary)[1]"/>

  <xsl:variable name="linkend">

    <xsl:if test="$seetarget">

      <xsl:value-of select="concat('ientry-', generate-id($seetarget))"/>

    </xsl:if>

  </xsl:variable>

  <fo:inline>

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

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

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

    </xsl:call-template>

    <xsl:text> </xsl:text>

    <xsl:choose>

      <xsl:when test="d:see/@linkend or d:see/@xlink:href">

        <xsl:call-template name="simple.xlink">

          <xsl:with-param name="node" select="d:see"/>

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

        </xsl:call-template>

      </xsl:when>

      <xsl:when test="$autolink.index.see = 0">

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

      </xsl:when>

      <xsl:when test="$seetarget">

                       xsl:use-attribute-sets="xref.properties">

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

        </fo:basic-link>

      </xsl:when>

      <xsl:otherwise>

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

      </xsl:otherwise>

    </xsl:choose>

    <xsl:text>)</xsl:text>

  </fo:inline>

</xsl:template>

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

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

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

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

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

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

    <xsl:variable name="seealso" select="normalize-space(.)"/>

    in seealso "primary, secondary" entry -->

    <xsl:variable name="seealsoprimary">

      <xsl:choose>

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

          <xsl:value-of select="substring-before($seealso, ',')"/>

        </xsl:when>

        <xsl:otherwise>

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

        </xsl:otherwise>

      </xsl:choose>

    </xsl:variable> 

    <xsl:variable name="seealsotarget" select="key('primaryonly', $seealsoprimary)[1]"/>

    <xsl:variable name="linkend">

      <xsl:if test="$seealsotarget">

        <xsl:value-of select="concat('ientry-', generate-id($seealsotarget))"/>

      </xsl:if>

    </xsl:variable>

    <fo:block>

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

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

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

      </xsl:call-template>

      <xsl:text> </xsl:text>

      <xsl:choose>

        <xsl:when test="@linkend or @xlink:href">

          <xsl:call-template name="simple.xlink">

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

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

          </xsl:call-template>

        </xsl:when>

        <xsl:when test="$autolink.index.see = 0">

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

        </xsl:when>

        <xsl:when test="$seealsotarget">

                         xsl:use-attribute-sets="xref.properties">

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