mapnik/scons/scons-local-4.7.0/SCons/Tool/docbook/docbook-xsl-1.76.1/html/autoidx.xsl

739 lines
29 KiB
XML
Vendored

<?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 8516 2009-08-12 02:54:56Z abdelazer $
********************************************************************
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">
<xsl:choose>
<xsl:when test="normalize-space($type) != '' and
$others[@type = $type][count(.|key('primary', &primary;)[&scope;][1]) = 1]">
<div class="indexdiv">
<h3>
<xsl:call-template name="gentext">
<xsl:with-param name="key" select="'index symbols'"/>
</xsl:call-template>
</h3>
<dl>
<xsl:apply-templates select="$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="$type"/>
<xsl:sort select="translate(&primary;, &lowercase;, &uppercase;)"/>
</xsl:apply-templates>
</dl>
</div>
</xsl:when>
<xsl:when test="normalize-space($type) != ''">
<!-- Output nothing, as there isn't a match for $other using this $type -->
</xsl:when>
<xsl:otherwise>
<div class="indexdiv">
<h3>
<xsl:call-template name="gentext">
<xsl:with-param name="key" select="'index symbols'"/>
</xsl:call-template>
</h3>
<dl>
<xsl:apply-templates select="$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="$type"/>
<xsl:sort select="translate(&primary;, &lowercase;, &uppercase;)"/>
</xsl:apply-templates>
</dl>
</div>
</xsl:otherwise>
</xsl:choose>
</xsl:if>
<xsl:apply-templates select="$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]"/>
</xsl:call-template>
</xsl:attribute>
<xsl:apply-templates select="$target[1]" mode="index-title-content"/>
</a>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
<xsl:template match="indexterm" mode="index-see">
<xsl:param name="scope" select="."/>
<xsl:param name="role" select="''"/>
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