X-Git-Url: https://git.stg.codes/stg.git/blobdiff_plain/0c9c28efcd43f53ac54aa60b2dfefa69c70dbadf..6b6d9b29e9e9e91f79507a8bf193fb30de311dcc:/doc/help/xslt/fo/autoidx.xsl

diff --git a/doc/help/xslt/fo/autoidx.xsl b/doc/help/xslt/fo/autoidx.xsl
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+<?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:fo="http://www.w3.org/1999/XSL/Format"
+                xmlns:rx="http://www.renderx.com/XSL/Extensions"
+                xmlns:axf="http://www.antennahouse.com/names/XSL/Extensions"
+                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 DocBook XSL Stylesheet distribution.
+     See ../README or http://docbook.sf.net/ for copyright
+     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. -->
+
+<!-- Importing module for kimber or kosek method overrides one of these -->
+<xsl:param name="kimber.imported" select="0"/>
+<xsl:param name="kosek.imported" select="0"/>
+
+<!-- These keys used primary in all methods -->
+<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="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: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="$terms[not(contains(
+                                        concat(&lowercase;,
+                                        &uppercase;),
+                                        substring(&primary;, 1, 1)))]"/>
+  <fo:block>
+    <xsl:if test="$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>
+        <xsl:apply-templates select="$others[count(.|key('primary',
+                                     &primary;)[&scope;][1]) = 1]"
+                             mode="index-symbol-div">
+          <xsl:with-param name="scope" select="$scope"/>
+          <xsl:with-param name="role" select="$role"/>
+          <xsl:with-param name="type" select="$type"/>
+          <xsl:sort select="translate(&primary;, &lowercase;, 
+                            &uppercase;)"/>
+        </xsl:apply-templates>
+      </fo:block>
+    </xsl:if>
+
+    <xsl:apply-templates select="$alphabetical[count(.|key('letter',
+                                 translate(substring(&primary;, 1, 1),
+                                           &lowercase;,&uppercase;))
+                                           [&scope;][1]) = 1]"
+                         mode="index-div-basic">
+      <xsl:with-param name="scope" select="$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>
+
+<!-- This template not used if fo/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="$kosek.imported = 0">
+    <xsl:message terminate="yes">
+      <xsl:text>ERROR: the 'kosek' index method requires the&#xA;</xsl:text>
+      <xsl:text>kosek index extensions be imported:&#xA;</xsl:text>
+      <xsl:text>  xsl:import href="fo/autoidx-kosek.xsl"</xsl:text>
+    </xsl:message>
+  </xsl:if>
+
+</xsl:template>
+
+
+<!-- This template not used if fo/autoidx-kimber.xsl is imported -->
+<xsl:template name="generate-kimber-index">
+  <xsl:param name="scope" select="NOTANODE"/>
+
+  <xsl:variable name="vendor" select="system-property('xsl:vendor')"/>
+  <xsl:if test="not(contains($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="fo/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]">
+    <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">
+        <xsl:apply-templates select="key('letter', $key)[&scope;]
+                                     [count(.|key('primary', &primary;)
+                                     [&scope;][1])=1]"
+                             mode="index-primary">
+          <xsl:sort select="translate(&primary;, &lowercase;, &uppercase;)"/>
+          <xsl:with-param name="scope" select="$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="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;)"/>
+
+  <fo:block xsl:use-attribute-sets="index.entry.properties">
+    <xsl:apply-templates select="key('letter', $key)[&scope;][count(.|key('primary', &primary;)[&scope;][1]) = 1]"
+                         mode="index-primary">
+      <xsl:with-param name="scope" select="$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="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', $key)[&scope;]"/>
+
+  <xsl:variable name="term.separator">
+    <xsl:call-template name="index.separator">
+      <xsl:with-param name="key" select="'index.term.separator'"/>
+    </xsl:call-template>
+  </xsl:variable>
+
+  <xsl:variable name="range.separator">
+    <xsl:call-template name="index.separator">
+      <xsl:with-param name="key" select="'index.range.separator'"/>
+    </xsl:call-template>
+  </xsl:variable>
+
+  <xsl:variable name="number.separator">
+    <xsl:call-template name="index.separator">
+      <xsl:with-param name="key" select="'index.number.separator'"/>
+    </xsl:call-template>
+  </xsl:variable>
+
+  <fo:block>
+    <xsl:if test="$axf.extensions != 0">
+      <xsl:attribute name="axf:suppress-duplicate-page-number">true</xsl:attribute>
+    </xsl:if>
+
+    <xsl:for-each select="$refs/primary">
+      <xsl:if test="@id or @xml:id">
+        <fo:inline id="{(@id|@xml:id)[1]}"/>
+      </xsl:if>
+    </xsl:for-each>
+
+    <xsl:value-of select="primary"/>
+
+    <xsl:choose>
+      <xsl:when test="$xep.extensions != 0">
+        <xsl:if test="$refs[not(see) and not(secondary)]">
+          <xsl:copy-of select="$term.separator"/>
+          <xsl:variable name="primary" select="&primary;"/>
+          <xsl:variable name="primary.significant" select="concat(&primary;, $significant.flag)"/>
+          <rx:page-index list-separator="{$number.separator}"
+                         range-separator="{$range.separator}">
+            <xsl:if test="$refs[@significance='preferred'][not(see) and not(secondary)]">
+              <rx:index-item xsl:use-attribute-sets="index.preferred.page.properties xep.index.item.properties"
+                ref-key="{$primary.significant}"/>
+            </xsl:if>
+            <xsl:if test="$refs[not(@significance) or @significance!='preferred'][not(see) and not(secondary)]">
+              <rx:index-item xsl:use-attribute-sets="xep.index.item.properties"
+                ref-key="{$primary}"/>
+            </xsl:if>
+          </rx:page-index>        
+        </xsl:if>
+      </xsl:when>
+      <xsl:otherwise>
+        <xsl:variable name="page-number-citations">
+          <xsl:for-each select="$refs[not(see) 
+                                and not(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="$type"/>
+              <xsl:with-param name="position" select="position()"/>
+            </xsl:apply-templates>
+          </xsl:for-each>
+        </xsl:variable>
+
+        <xsl:choose>
+          <xsl:when test="$passivetex.extensions != '0'">
+            <fotex:sort xmlns:fotex="http://www.tug.org/fotex">
+              <xsl:copy-of select="$page-number-citations"/>
+            </fotex:sort>
+          </xsl:when>
+          <xsl:otherwise>
+            <xsl:copy-of select="$page-number-citations"/>
+          </xsl:otherwise>
+        </xsl:choose>
+      </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="scope" select="$scope"/>
+         <xsl:with-param name="role" select="$role"/>
+         <xsl:with-param name="type" select="$type"/>
+         <xsl:sort select="translate(see, &lowercase;, &uppercase;)"/>
+      </xsl:apply-templates>
+    </xsl:if>
+
+  </fo:block>
+
+  <xsl:if test="$refs/secondary or $refs[not(secondary)]/*[self::seealso]">
+    <fo:block start-indent="1pc">
+      <xsl:apply-templates select="$refs[generate-id() = generate-id(key('see-also', concat(&primary;, &sep;, &sep;, &sep;, seealso))[&scope;][1])]"
+                           mode="index-seealso">
+         <xsl:with-param name="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($key, &sep;, &secondary;))[&scope;][1]) = 1]"
+                           mode="index-secondary">
+       <xsl:with-param name="scope" select="$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="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="$refs/secondary">
+      <xsl:if test="@id or @xml:id">
+        <fo:inline id="{(@id|@xml:id)[1]}"/>
+      </xsl:if>
+    </xsl:for-each>
+
+    <xsl:value-of select="secondary"/>
+
+    <xsl:choose>
+      <xsl:when test="$xep.extensions != 0">
+        <xsl:if test="$refs[not(see) and not(tertiary)]">
+          <xsl:copy-of select="$term.separator"/>
+          <xsl:variable name="primary" select="&primary;"/>
+          <xsl:variable name="secondary" select="&secondary;"/>
+          <xsl:variable name="primary.significant" select="concat(&primary;, $significant.flag)"/>
+          <rx:page-index list-separator="{$number.separator}"
+                         range-separator="{$range.separator}">
+            <xsl:if test="$refs[@significance='preferred'][not(see) and not(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="$refs[not(@significance) or @significance!='preferred'][not(see) and not(tertiary)]">
+              <rx:index-item xsl:use-attribute-sets="xep.index.item.properties">
+                <xsl:attribute name="ref-key">
+                  <xsl:value-of select="$primary"/>
+                  <xsl:text>, </xsl:text>
+                  <xsl:value-of select="$secondary"/>
+                </xsl:attribute>
+              </rx:index-item>
+            </xsl:if>
+          </rx:page-index>
+        </xsl:if>
+      </xsl:when>
+      <xsl:otherwise>
+        <xsl:variable name="page-number-citations">
+          <xsl:for-each select="$refs[not(see) 
+                                and not(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="$type"/>
+              <xsl:with-param name="position" select="position()"/>
+            </xsl:apply-templates>
+          </xsl:for-each>
+        </xsl:variable>
+
+        <xsl:choose>
+          <xsl:when test="$passivetex.extensions != '0'">
+            <fotex:sort xmlns:fotex="http://www.tug.org/fotex">
+              <xsl:copy-of select="$page-number-citations"/>
+            </fotex:sort>
+          </xsl:when>
+          <xsl:otherwise>
+            <xsl:copy-of select="$page-number-citations"/>
+          </xsl:otherwise>
+        </xsl:choose>
+      </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="scope" select="$scope"/>
+        <xsl:with-param name="role" select="$role"/>
+        <xsl:with-param name="type" select="$type"/>
+        <xsl:sort select="translate(see, &lowercase;, &uppercase;)"/>
+      </xsl:apply-templates>
+    </xsl:if>
+
+  </fo:block>
+
+  <xsl:if test="$refs/tertiary or $refs[not(tertiary)]/*[self::seealso]">
+    <fo:block start-indent="2pc">
+      <xsl:apply-templates select="$refs[generate-id() = generate-id(key('see-also', concat(&primary;, &sep;, &secondary;, &sep;, &sep;, seealso))[&scope;][1])]"
+                           mode="index-seealso">
+          <xsl:with-param name="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($key, &sep;, &tertiary;))[&scope;][1]) = 1]" 
+                           mode="index-tertiary">
+          <xsl:with-param name="scope" select="$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="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="$refs/tertiary">
+      <xsl:if test="@id or @xml:id">
+        <fo:inline id="{(@id|@xml:id)[1]}"/>
+      </xsl:if>
+    </xsl:for-each>
+
+    <xsl:value-of select="tertiary"/>
+
+    <xsl:choose>
+      <xsl:when test="$xep.extensions != 0">
+        <xsl:if test="$refs[not(see)]">
+          <xsl:copy-of select="$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;, $significant.flag)"/>
+          <rx:page-index list-separator="{$number.separator}"
+                         range-separator="{$range.separator}">
+            <xsl:if test="$refs[@significance='preferred'][not(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(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(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="$type"/>
+              <xsl:with-param name="position" select="position()"/>
+            </xsl:apply-templates>
+          </xsl:for-each>
+        </xsl:variable>
+
+        <xsl:choose>
+          <xsl:when test="$passivetex.extensions != '0'">
+            <fotex:sort xmlns:fotex="http://www.tug.org/fotex">
+              <xsl:copy-of select="$page-number-citations"/>
+            </fotex:sort>
+          </xsl:when>
+          <xsl:otherwise>
+            <xsl:copy-of select="$page-number-citations"/>
+          </xsl:otherwise>
+        </xsl:choose>
+      </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="scope" select="$scope"/>
+        <xsl:with-param name="role" select="$role"/>
+        <xsl:with-param name="type" select="$type"/>
+        <xsl:sort select="translate(see, &lowercase;, &uppercase;)"/>
+      </xsl:apply-templates>
+    </xsl:if>
+
+  </fo:block>
+
+  <xsl:if test="$refs/seealso">
+    <fo:block>
+      <xsl:apply-templates select="$refs[generate-id() = generate-id(key('see-also', concat(&primary;, &sep;, &secondary;, &sep;, &tertiary;, &sep;, seealso))[&scope;][1])]"
+                           mode="index-seealso">
+        <xsl:with-param name="scope" select="$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>
+    </fo:block>
+  </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" 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="$type"/>
+      </xsl:call-template>
+    </xsl:when>
+    <xsl:otherwise>
+      <xsl:variable name="id">
+        <xsl:call-template name="object.id"/>
+      </xsl:variable>
+
+      <fo:basic-link internal-destination="{$id}"
+                     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;]">
+        <xsl:apply-templates select="key('endofrange', $id)[&scope;][last()]"
+                             mode="reference">
+          <xsl:with-param name="scope" select="$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>
+
+      <fo:basic-link internal-destination="{$id}"
+                     xsl:use-attribute-sets="index.page.number.properties">
+        <fo:page-number-citation ref-id="{$id}"/>
+      </fo:basic-link>
+
+      <xsl:if test="$passivetex.extensions = '0'">
+        <xsl:copy-of select="$number.separator"/>
+      </xsl:if>
+      <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>
+
+      <fo:basic-link internal-destination="{$id}"
+                     xsl:use-attribute-sets="index.page.number.properties">
+        <fo:page-number-citation ref-id="{$id}"/>
+      </fo:basic-link>
+    </xsl:otherwise>
+  </xsl:choose>
+</xsl:template>
+
+<xsl:template name="info.reference">
+  <!-- This is not perfect. It doesn't treat indexterm inside info element as a range covering whole parent of info.
+       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="''"/>
+
+  <xsl:variable name="target" select="(ancestor::appendix|ancestor::article|ancestor::bibliography|ancestor::book|
+                                       ancestor::chapter|ancestor::glossary|ancestor::part|ancestor::preface|
+                                       ancestor::refentry|ancestor::reference|ancestor::refsect1|ancestor::refsect2|
+                                       ancestor::refsect3|ancestor::refsection|ancestor::refsynopsisdiv|
+                                       ancestor::sect1|ancestor::sect2|ancestor::sect3|ancestor::sect4|ancestor::sect5|
+                                       ancestor::section|ancestor::setindex|ancestor::set|ancestor::sidebar|ancestor::mediaobject)[&scope;]"/>
+  
+  <xsl:variable name="id">
+    <xsl:call-template name="object.id">
+      <xsl:with-param name="object" select="$target[position() = last()]"/>
+    </xsl:call-template>
+  </xsl:variable>
+  
+  <fo:basic-link internal-destination="{$id}"
+                 xsl:use-attribute-sets="index.page.number.properties">
+    <fo:page-number-citation ref-id="{$id}"/>
+  </fo:basic-link>
+</xsl:template>
+
+<xsl:template match="indexterm" mode="index-see">
+   <xsl:param name="scope" select="."/>
+  <xsl:param name="role" select="''"/>
+  <xsl:param name="type" select="''"/>
+
+   <fo:inline>
+     <xsl:text> (</xsl:text>
+     <xsl:call-template name="gentext">
+       <xsl:with-param name="key" select="'see'"/>
+     </xsl:call-template>
+     <xsl:text> </xsl:text>
+     <xsl:value-of select="see"/>
+     <xsl:text>)</xsl:text>
+   </fo:inline>
+</xsl:template>
+
+<xsl:template match="indexterm" mode="index-seealso">
+   <xsl:param name="scope" select="."/>
+  <xsl:param name="role" select="''"/>
+  <xsl:param name="type" select="''"/>
+
+  <xsl:for-each select="seealso">
+    <xsl:sort select="translate(., &lowercase;, &uppercase;)"/>
+    <fo:block>
+      <xsl:text>(</xsl:text>
+      <xsl:call-template name="gentext">
+        <xsl:with-param name="key" select="'seealso'"/>
+      </xsl:call-template>
+      <xsl:text> </xsl:text>
+      <xsl:value-of select="."/>
+      <xsl:text>)</xsl:text>
+    </fo:block>
+  </xsl:for-each>
+
+</xsl:template>
+
+<!-- ====================================================================== -->
+
+<xsl:template name="generate-index-markup">
+  <xsl:param name="scope" select="(ancestor::book|/)[last()]"/>
+  <xsl:param name="role" select="@role"/>
+  <xsl:param name="type" select="@type"/>
+
+  <xsl:variable name="terms" select="$scope//indexterm[count(.|key('letter',
+                                     translate(substring(&primary;, 1, 1),&lowercase;,&uppercase;))[&scope;][1]) = 1]"/>
+  <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)))]"/>
+
+  <xsl:text>&lt;index&gt;&#10;</xsl:text>
+  <xsl:if test="$others">
+    <xsl:text>&#10;&lt;indexdiv&gt;&#10;</xsl:text>
+    <xsl:text>&lt;title&gt;</xsl:text>
+    <xsl:call-template name="gentext">
+      <xsl:with-param name="key" select="'index symbols'"/>
+    </xsl:call-template>
+    <xsl:text>&lt;/title&gt;&#10;</xsl:text>
+    <xsl:apply-templates select="$others[count(.|key('primary',
+                                 &primary;)[&scope;][1]) = 1]"
+                         mode="index-symbol-div-markup">
+      <xsl:with-param name="scope" select="$scope"/>
+      <xsl:with-param name="role" select="$role"/>
+      <xsl:with-param name="type" select="$type"/>
+      <xsl:sort select="translate(&primary;, &lowercase;, &uppercase;)"/>
+    </xsl:apply-templates>
+    <xsl:text>&lt;/indexdiv&gt;&#10;</xsl:text>
+  </xsl:if>
+
+  <xsl:apply-templates select="$alphabetical[count(.|key('letter',
+                               translate(substring(&primary;, 1, 1),&lowercase;,&uppercase;))[&scope;][1]) = 1]"
+                       mode="index-div-markup">
+      <xsl:with-param name="scope" select="$scope"/>
+      <xsl:with-param name="role" select="$role"/>
+      <xsl:with-param name="type" select="$type"/>
+      <xsl:sort select="translate(&primary;, &lowercase;, &uppercase;)"/>
+  </xsl:apply-templates>
+  <xsl:text>&lt;/index&gt;&#10;</xsl:text>
+</xsl:template>
+
+<xsl:template match="*" mode="index-markup">
+  <xsl:param name="scope" select="."/>
+  <xsl:param name="role" select="''"/>
+  <xsl:param name="type" select="''"/>
+
+  <xsl:text>&lt;</xsl:text>
+  <xsl:value-of select="local-name(.)"/>
+  <xsl:text>&gt;&#10;</xsl:text>
+  <xsl:apply-templates mode="index-markup">
+    <xsl:with-param name="scope" select="$scope"/>
+    <xsl:with-param name="role" select="$role"/>
+    <xsl:with-param name="type" select="$type"/>
+  </xsl:apply-templates>
+</xsl:template>
+
+<xsl:template match="indexterm" mode="index-div-markup">
+  <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:text>&#10;&lt;indexdiv&gt;&#10;</xsl:text>
+  <xsl:text>&lt;title&gt;</xsl:text>
+  <xsl:value-of select="translate($key, &lowercase;, &uppercase;)"/>
+  <xsl:text>&lt;/title&gt;&#10;</xsl:text>
+
+  <xsl:apply-templates select="key('letter', $key)[&scope;][count(.|key('primary', &primary;)[&scope;][1]) = 1]"
+                       mode="index-primary-markup">
+    <xsl:with-param name="scope" select="$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:text>&lt;/indexdiv&gt;&#10;</xsl:text>
+</xsl:template>
+
+<xsl:template match="indexterm" mode="index-symbol-div-markup">
+  <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', $key)[&scope;][count(.|key('primary', &primary;)[&scope;][1]) = 1]"
+                       mode="index-primary-markup">
+    <xsl:with-param name="scope" select="$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-markup">
+  <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', $key)[&scope;]"/>
+  <xsl:variable name="pages" select="$refs[not(see) and not(seealso)]"/>
+
+  <xsl:text>&#10;&lt;indexentry&gt;&#10;</xsl:text>
+  <xsl:text>&lt;primaryie&gt;</xsl:text>
+  <xsl:text>&lt;phrase&gt;</xsl:text>
+  <xsl:call-template name="escape-text">
+    <xsl:with-param name="text" select="string(primary)"/>
+  </xsl:call-template>
+  <xsl:text>&lt;/phrase&gt;</xsl:text>
+  <xsl:if test="$pages">,</xsl:if>
+  <xsl:text>&#10;</xsl:text>
+
+  <xsl:for-each select="$pages">
+    <xsl:apply-templates select="." mode="reference-markup">
+      <xsl:with-param name="scope" select="$scope"/>
+      <xsl:with-param name="role" select="$role"/>
+      <xsl:with-param name="type" select="$type"/>
+    </xsl:apply-templates>
+  </xsl:for-each>
+
+  <xsl:text>&lt;/primaryie&gt;&#10;</xsl:text>
+
+  <xsl:if test="$refs/secondary or $refs[not(secondary)]/*[self::see or self::seealso]">
+    <xsl:apply-templates select="$refs[generate-id() = generate-id(key('see', concat(&primary;, &sep;, &sep;, &sep;, see))[&scope;][1])]"
+                         mode="index-see-markup">
+      <xsl:with-param name="scope" select="$scope"/>
+      <xsl:with-param name="role" select="$role"/>
+      <xsl:with-param name="type" select="$type"/>
+      <xsl:sort select="translate(see, &lowercase;, &uppercase;)"/>
+    </xsl:apply-templates>
+
+    <xsl:apply-templates select="$refs[generate-id() = generate-id(key('see-also', concat(&primary;, &sep;, &sep;, &sep;, seealso))[&scope;][1])]"
+                         mode="index-seealso-markup">
+      <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($key, &sep;, &secondary;))[&scope;][1]) = 1]" 
+                         mode="index-secondary-markup">
+      <xsl:with-param name="scope" select="$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>
+  </xsl:if>
+  <xsl:text>&lt;/indexentry&gt;&#10;</xsl:text>
+</xsl:template>
+
+<xsl:template match="indexterm" mode="index-secondary-markup">
+  <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', $key)[&scope;]"/>
+  <xsl:variable name="pages" select="$refs[not(see) and not(seealso)]"/>
+
+  <xsl:text>&lt;secondaryie&gt;</xsl:text>
+  <xsl:text>&lt;phrase&gt;</xsl:text>
+  <xsl:call-template name="escape-text">
+    <xsl:with-param name="text" select="string(secondary)"/>
+  </xsl:call-template>
+  <xsl:text>&lt;/phrase&gt;</xsl:text>
+  <xsl:if test="$pages">,</xsl:if>
+  <xsl:text>&#10;</xsl:text>
+
+  <xsl:for-each select="$pages">
+    <xsl:apply-templates select="." mode="reference-markup">
+      <xsl:with-param name="scope" select="$scope"/>
+      <xsl:with-param name="role" select="$role"/>
+      <xsl:with-param name="type" select="$type"/>
+    </xsl:apply-templates>
+  </xsl:for-each>
+
+  <xsl:text>&lt;/secondaryie&gt;&#10;</xsl:text>
+
+  <xsl:if test="$refs/tertiary or $refs[not(tertiary)]/*[self::see or self::seealso]">
+    <xsl:apply-templates select="$refs[generate-id() = generate-id(key('see', concat(&primary;, &sep;, &secondary;, &sep;, &sep;, see))[&scope;][1])]"
+                         mode="index-see-markup">
+      <xsl:with-param name="scope" select="$scope"/>
+      <xsl:with-param name="role" select="$role"/>
+      <xsl:with-param name="type" select="$type"/>
+      <xsl:sort select="translate(see, &lowercase;, &uppercase;)"/>
+    </xsl:apply-templates>
+    <xsl:apply-templates select="$refs[generate-id() = generate-id(key('see-also', concat(&primary;, &sep;, &secondary;, &sep;, &sep;, seealso))[&scope;][1])]"
+                         mode="index-seealso-markup">
+      <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($key, &sep;, &tertiary;))[&scope;][1]) = 1]" 
+                         mode="index-tertiary-markup">
+      <xsl:with-param name="scope" select="$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>
+  </xsl:if>
+</xsl:template>
+
+<xsl:template match="indexterm" mode="index-tertiary-markup">
+  <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', $key)[&scope;]"/>
+  <xsl:variable name="pages" select="$refs[not(see) and not(seealso)]"/>
+
+  <xsl:text>&lt;tertiaryie&gt;</xsl:text>
+  <xsl:text>&lt;phrase&gt;</xsl:text>
+  <xsl:call-template name="escape-text">
+    <xsl:with-param name="text" select="string(tertiary)"/>
+  </xsl:call-template>
+  <xsl:text>&lt;/phrase&gt;</xsl:text>
+  <xsl:if test="$pages">,</xsl:if>
+  <xsl:text>&#10;</xsl:text>
+
+  <xsl:for-each select="$pages">
+    <xsl:apply-templates select="." mode="reference-markup">
+      <xsl:with-param name="scope" select="$scope"/>
+      <xsl:with-param name="role" select="$role"/>
+      <xsl:with-param name="type" select="$type"/>
+    </xsl:apply-templates>
+  </xsl:for-each>
+
+  <xsl:text>&lt;/tertiaryie&gt;&#10;</xsl:text>
+
+  <xsl:variable name="see" select="$refs/see | $refs/seealso"/>
+  <xsl:if test="$see">
+    <xsl:apply-templates select="$refs[generate-id() = generate-id(key('see', concat(&primary;, &sep;, &secondary;, &sep;, &tertiary;, &sep;, see))[&scope;][1])]"
+                         mode="index-see-markup">
+      <xsl:with-param name="scope" select="$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:apply-templates select="$refs[generate-id() = generate-id(key('see-also', concat(&primary;, &sep;, &secondary;, &sep;, &tertiary;, &sep;, seealso))[&scope;][1])]"
+                         mode="index-seealso-markup">
+      <xsl:with-param name="scope" select="$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:if>
+</xsl:template>
+
+<xsl:template match="indexterm" mode="reference-markup">
+  <xsl:param name="scope" select="."/>
+  <xsl:param name="role" select="''"/>
+  <xsl:param name="type" select="''"/>
+
+  <xsl:choose>
+    <xsl:when test="@zone and string(@zone)">
+      <xsl:call-template name="reference-markup">
+        <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="$type"/>
+      </xsl:call-template>
+    </xsl:when>
+    <xsl:otherwise>
+      <xsl:variable name="id">
+        <xsl:call-template name="object.id"/>
+      </xsl:variable>
+
+
+      <xsl:choose>
+        <xsl:when test="@startref and @class='endofrange'">
+          <xsl:text>&lt;phrase role="pageno"&gt;</xsl:text>
+          <xsl:text>&lt;link linkend="</xsl:text>
+          <xsl:value-of select="@startref"/>
+          <xsl:text>"&gt;</xsl:text>
+          <fo:basic-link internal-destination="{@startref}"
+                     xsl:use-attribute-sets="index.page.number.properties">
+            <fo:page-number-citation ref-id="{@startref}"/>
+            <xsl:text>-</xsl:text>
+            <fo:page-number-citation ref-id="{$id}"/>
+          </fo:basic-link>
+          <xsl:text>&lt;/link&gt;</xsl:text>
+          <xsl:text>&lt;/phrase&gt;&#10;</xsl:text>
+        </xsl:when>
+        <xsl:otherwise>
+          <xsl:text>&lt;phrase role="pageno"&gt;</xsl:text>
+          <xsl:if test="$id">
+            <xsl:text>&lt;link linkend="</xsl:text>
+            <xsl:value-of select="$id"/>
+            <xsl:text>"&gt;</xsl:text>
+          </xsl:if>
+          <fo:basic-link internal-destination="{$id}"
+                     xsl:use-attribute-sets="index.page.number.properties">
+            <fo:page-number-citation ref-id="{$id}"/>
+          </fo:basic-link>
+          <xsl:if test="$id">
+            <xsl:text>&lt;/link&gt;</xsl:text>
+          </xsl:if>
+          <xsl:text>&lt;/phrase&gt;&#10;</xsl:text>
+        </xsl:otherwise>
+      </xsl:choose>
+    </xsl:otherwise>
+  </xsl:choose>
+</xsl:template>
+
+<xsl:template name="reference-markup">
+  <xsl:param name="scope" select="."/>
+  <xsl:param name="role" select="''"/>
+  <xsl:param name="type" select="''"/>
+  <xsl:param name="zones"/>
+  <xsl:choose>
+    <xsl:when test="contains($zones, ' ')">
+      <xsl:variable name="zone" select="substring-before($zones, ' ')"/>
+      <xsl:variable name="target" select="key('id', $zone)[&scope;]"/>
+
+      <xsl:variable name="id">
+        <xsl:call-template name="object.id">
+          <xsl:with-param name="object" select="$target[1]"/>
+        </xsl:call-template>
+      </xsl:variable>
+
+      <xsl:text>&lt;phrase fole="pageno"&gt;</xsl:text>
+      <xsl:if test="$target[1]/@id or $target[1]/@xml:id">
+        <xsl:text>&lt;link linkend="</xsl:text>
+        <xsl:value-of select="$id"/>
+        <xsl:text>"&gt;</xsl:text>
+      </xsl:if>
+      <fo:basic-link internal-destination="{$id}"
+                     xsl:use-attribute-sets="index.page.number.properties">
+        <fo:page-number-citation ref-id="{$id}"/>
+      </fo:basic-link>
+      <xsl:if test="$target[1]/@id or $target[1]/@xml:id">
+        <xsl:text>&lt;/link&gt;</xsl:text>
+      </xsl:if>
+      <xsl:text>&lt;/phrase&gt;&#10;</xsl:text>
+
+      <xsl:call-template name="reference">
+        <xsl:with-param name="zones" select="substring-after($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', $zone)[&scope;]"/>
+
+      <xsl:variable name="id">
+        <xsl:call-template name="object.id">
+          <xsl:with-param name="object" select="$target[1]"/>
+        </xsl:call-template>
+      </xsl:variable>
+
+      <xsl:text>&lt;phrase role="pageno"&gt;</xsl:text>
+      <xsl:if test="$target[1]/@id or target[1]/@xml:id">
+        <xsl:text>&lt;link linkend="</xsl:text>
+        <xsl:value-of select="$id"/>
+        <xsl:text>"&gt;</xsl:text>
+      </xsl:if>
+      <fo:basic-link internal-destination="{$id}"
+                     xsl:use-attribute-sets="index.page.number.properties">
+        <fo:page-number-citation ref-id="{$id}"/>
+      </fo:basic-link>
+      <xsl:if test="$target[1]/@id or target[1]/@xml:id">
+        <xsl:text>&lt;/link&gt;</xsl:text>
+      </xsl:if>
+      <xsl:text>&lt;/phrase&gt;&#10;</xsl:text>
+    </xsl:otherwise>
+  </xsl:choose>
+</xsl:template>
+
+<xsl:template match="indexterm" mode="index-see-markup">
+  <xsl:param name="scope" select="."/>
+  <xsl:param name="role" select="''"/>
+  <xsl:param name="type" select="''"/>
+  <fo:block>
+    <xsl:text>&lt;seeie&gt;</xsl:text>
+    <xsl:text>&lt;phrase&gt;</xsl:text>
+    <xsl:call-template name="escape-text">
+      <xsl:with-param name="text" select="string(see)"/>
+    </xsl:call-template>
+    <xsl:text>&lt;/phrase&gt;</xsl:text>
+    <xsl:text>&lt;/seeie&gt;&#10;</xsl:text>
+  </fo:block>
+</xsl:template>
+
+<xsl:template match="indexterm" mode="index-seealso-markup">
+  <xsl:param name="scope" select="."/>
+  <xsl:param name="role" select="''"/>
+  <xsl:param name="type" select="''"/>
+  <fo:block>
+    <xsl:text>&lt;seealsoie&gt;</xsl:text>
+    <xsl:text>&lt;phrase&gt;</xsl:text>
+    <xsl:call-template name="escape-text">
+      <xsl:with-param name="text" select="string(seealso)"/>
+    </xsl:call-template>
+    <xsl:text>&lt;/phrase&gt;</xsl:text>
+    <xsl:text>&lt;/seealsoie&gt;&#10;</xsl:text>
+  </fo:block>
+</xsl:template>
+
+<xsl:template name="escape-text">
+  <xsl:param name="text" select="''"/>
+
+  <xsl:variable name="ltpos" select="substring-before($text, '&lt;')"/>
+  <xsl:variable name="amppos" select="substring-before($text, '&amp;')"/>
+
+  <xsl:choose>
+    <xsl:when test="contains($text,'&lt;') and contains($text, '&amp;')
+                    and string-length($ltpos) &lt; string-length($amppos)">
+      <xsl:value-of select="$ltpos"/>
+      <xsl:text>&amp;lt;</xsl:text>
+      <xsl:call-template name="escape-text">
+        <xsl:with-param name="text" select="substring-after($text, '&lt;')"/>
+      </xsl:call-template>
+    </xsl:when>
+
+    <xsl:when test="contains($text,'&lt;') and contains($text, '&amp;')
+                    and string-length($amppos) &lt; string-length($ltpos)">
+      <xsl:value-of select="$amppos"/>
+      <xsl:text>&amp;amp;</xsl:text>
+      <xsl:call-template name="escape-text">
+        <xsl:with-param name="text" select="substring-after($text, '&amp;')"/>
+      </xsl:call-template>
+    </xsl:when>
+
+    <xsl:when test="contains($text, '&lt;')">
+      <xsl:value-of select="$ltpos"/>
+      <xsl:text>&amp;lt;</xsl:text>
+      <xsl:call-template name="escape-text">
+        <xsl:with-param name="text" select="substring-after($text, '&lt;')"/>
+      </xsl:call-template>
+    </xsl:when>
+
+    <xsl:when test="contains($text, '&amp;')">
+      <xsl:value-of select="$amppos"/>
+      <xsl:text>&amp;amp;</xsl:text>
+      <xsl:call-template name="escape-text">
+        <xsl:with-param name="text" select="substring-after($text, '&amp;')"/>
+      </xsl:call-template>
+    </xsl:when>
+
+    <xsl:otherwise>
+      <xsl:value-of select="$text"/>
+    </xsl:otherwise>
+  </xsl:choose>
+</xsl:template>
+
+<xsl:template name="index.separator">
+  <xsl:param name="key" select="''"/>
+  <xsl:param name="lang">
+    <xsl:call-template name="l10n.language"/>
+  </xsl:param>
+
+  <xsl:choose>
+    <xsl:when test="$key = 'index.term.separator'">
+      <xsl:choose>
+        <!-- Use the override if not blank -->
+        <xsl:when test="$index.term.separator != ''">
+          <xsl:copy-of select="$index.term.separator"/>
+        </xsl:when>
+        <xsl:otherwise>
+          <xsl:call-template name="gentext.template">
+            <xsl:with-param name="lang" select="$lang"/>
+            <xsl:with-param name="context">index</xsl:with-param>
+            <xsl:with-param name="name">term-separator</xsl:with-param>
+          </xsl:call-template>
+        </xsl:otherwise>
+      </xsl:choose>
+    </xsl:when>
+    <xsl:when test="$key = 'index.number.separator'">
+      <xsl:choose>
+        <!-- Use the override if not blank -->
+        <xsl:when test="$index.number.separator != ''">
+          <xsl:copy-of select="$index.number.separator"/>
+        </xsl:when>
+        <xsl:otherwise>
+          <xsl:call-template name="gentext.template">
+            <xsl:with-param name="lang" select="$lang"/>
+            <xsl:with-param name="context">index</xsl:with-param>
+            <xsl:with-param name="name">number-separator</xsl:with-param>
+          </xsl:call-template>
+        </xsl:otherwise>
+      </xsl:choose>
+    </xsl:when>
+    <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="$index.range.separator"/>
+        </xsl:when>
+        <xsl:otherwise>
+          <xsl:call-template name="gentext.template">
+            <xsl:with-param name="lang" select="$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>
+      </xsl:choose>
+    </xsl:when>
+  </xsl:choose>
+</xsl:template>
+
+</xsl:stylesheet>