Doing some cleanup.

third_party/docbook-xsl-1.78.0/html/autoidx.xsl

Index: third_party/docbook-xsl-1.78.0/html/autoidx.xsl
diff --git a/third_party/docbook-xsl-1.78.0/html/autoidx.xsl b/third_party/docbook-xsl-1.78.0/html/autoidx.xsl
deleted file mode 100644
index 10844d347d984d7253bee35f920e75c776477c45..0000000000000000000000000000000000000000
--- a/third_party/docbook-xsl-1.78.0/html/autoidx.xsl
+++ /dev/null
@@ -1,797 +0,0 @@
-<?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 9376 2012-05-24 18:32:40Z bobstayton $
-     ********************************************************************
-
-     This file is part of the XSL DocBook Stylesheet distribution.
-     See ../README or http://docbook.sf.net/release/xsl/current/ for
-     copyright and other information.
-
-     ******************************************************************** -->
-
-<!-- ==================================================================== -->
-<!-- The "basic" method derived from Jeni Tennison's work. -->
-<!-- The "kosek" method contributed by Jirka Kosek. -->
-<!-- The "kimber" method contributed by Eliot Kimber of Innodata Isogen. -->
-
-<xsl:variable name="kimber.imported" select="0"/>
-<xsl:variable name="kosek.imported" select="0"/>
-
-<xsl:key name="letter"
-         match="indexterm"
-         use="translate(substring(&primary;, 1, 1),&lowercase;,&uppercase;)"/>
-
-<xsl:key name="primary"
-         match="indexterm"
-         use="&primary;"/>
-
-<xsl:key name="secondary"
-         match="indexterm"
-         use="concat(&primary;, &sep;, &secondary;)"/>
-
-<xsl:key name="tertiary"
-         match="indexterm"
-         use="concat(&primary;, &sep;, &secondary;, &sep;, &tertiary;)"/>
-
-<xsl:key name="endofrange"
-         match="indexterm[@class='endofrange']"
-         use="@startref"/>
-
-<xsl:key name="primary-section"
-         match="indexterm[not(secondary) and not(see)]"
-         use="concat(&primary;, &sep;, &section.id;)"/>
-
-<xsl:key name="secondary-section"
-         match="indexterm[not(tertiary) and not(see)]"
-         use="concat(&primary;, &sep;, &secondary;, &sep;, &section.id;)"/>
-
-<xsl:key name="tertiary-section"
-         match="indexterm[not(see)]"
-         use="concat(&primary;, &sep;, &secondary;, &sep;, &tertiary;, &sep;, &section.id;)"/>
-
-<xsl:key name="see-also"
-         match="indexterm[seealso]"
-         use="concat(&primary;, &sep;, &secondary;, &sep;, &tertiary;, &sep;, seealso)"/>
-
-<xsl:key name="see"
-         match="indexterm[see]"
-         use="concat(&primary;, &sep;, &secondary;, &sep;, &tertiary;, &sep;, see)"/>
-
-<xsl:key name="sections" match="*[@id or @xml:id]" use="@id|@xml:id"/>
-
-
-<xsl:template name="generate-index">
-  <xsl:param name="scope" select="(ancestor::book|/)[last()]"/>
-
-  <xsl:choose>
-    <xsl:when test="$index.method = 'kosek'">
-      <xsl:call-template name="generate-kosek-index">
-        <xsl:with-param name="scope" select="$scope"/>
-      </xsl:call-template>
-    </xsl:when>
-    <xsl:when test="$index.method = 'kimber'">
-      <xsl:call-template name="generate-kimber-index">
-        <xsl:with-param name="scope" select="$scope"/>
-      </xsl:call-template>
-    </xsl:when>
-
-    <xsl:otherwise>
-      <xsl:call-template name="generate-basic-index">
-        <xsl:with-param name="scope" select="$scope"/>
-      </xsl:call-template>
-    </xsl:otherwise>
-  </xsl:choose>
-</xsl:template>
-      
-<xsl:template name="generate-basic-index">
-  <xsl:param name="scope" select="NOTANODE"/>
-
-  <xsl:variable name="role">
-    <xsl:if test="$index.on.role != 0">
-      <xsl:value-of select="@role"/>
-    </xsl:if>
-  </xsl:variable>
-
-  <xsl:variable name="type">
-    <xsl:if test="$index.on.type != 0">
-      <xsl:value-of select="@type"/>
-    </xsl:if>
-  </xsl:variable>
-
-  <xsl:variable name="terms"
-                select="//indexterm
-                        [count(.|key('letter',
-                          translate(substring(&primary;, 1, 1),
-                             &lowercase;,
-                             &uppercase;))
-                          [&scope;][1]) = 1
-                          and not(@class = 'endofrange')]"/>
-
-  <xsl:variable name="alphabetical"
-                select="$terms[contains(concat(&lowercase;, &uppercase;),
-                                        substring(&primary;, 1, 1))]"/>
-
-  <xsl:variable name="others" select="$terms[not(contains(concat(&lowercase;,
-                                                 &uppercase;),
-                                             substring(&primary;, 1, 1)))]"/>
-  <div class="index">
-    <xsl:if test="$others">
-      <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">
-        <xsl:choose>
-          <xsl:when test="$generate.id.attributes = 0">
-            <a name="{(@id|@xml:id)[1]}"/>
-          </xsl:when>
-          <xsl:otherwise>
-            <span>
-              <xsl:call-template name="id.attribute"/>
-            </span>
-          </xsl:otherwise>
-        </xsl:choose>
-      </xsl:if>
-    </xsl:for-each>
-    <xsl:value-of select="primary"/>
-    <xsl:choose>
-      <xsl:when test="$index.links.to.section = 1">
-        <xsl:for-each select="$refs[@zone != '' or generate-id() = generate-id(key('primary-section', concat($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[not(see) 
-                              and not(secondary)][&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:choose>
-    <xsl:when 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:when>
-    <!-- HTML5 requires dd for each dt -->
-    <xsl:when test="$div.element = 'section'">
-      <dd></dd>
-    </xsl:when>
-  </xsl:choose>
-</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">
-        <xsl:choose>
-          <xsl:when test="$generate.id.attributes = 0">
-            <a name="{(@id|@xml:id)[1]}"/>
-          </xsl:when>
-          <xsl:otherwise>
-            <span>
-              <xsl:call-template name="id.attribute"/>
-            </span>
-          </xsl:otherwise>
-        </xsl:choose>
-      </xsl:if>
-    </xsl:for-each>
-    <xsl:value-of select="secondary"/>
-    <xsl:choose>
-      <xsl:when test="$index.links.to.section = 1">
-        <xsl:for-each select="$refs[@zone != '' or generate-id() = generate-id(key('secondary-section', concat($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[not(see) 
-                                and not(tertiary)][&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:choose>
-    <xsl:when 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:when>
-    <!-- HTML5 requires dd for each dt -->
-    <xsl:when test="$div.element = 'section'">
-      <dd></dd>
-    </xsl:when>
-  </xsl:choose>
-</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">
-        <xsl:choose>
-          <xsl:when test="$generate.id.attributes = 0">
-            <a name="{(@id|@xml:id)[1]}"/>
-          </xsl:when>
-          <xsl:otherwise>
-            <span>
-              <xsl:call-template name="id.attribute"/>
-            </span>
-          </xsl:otherwise>
-        </xsl:choose>
-      </xsl:if>
-    </xsl:for-each>
-    <xsl:value-of select="tertiary"/>
-    <xsl:choose>
-      <xsl:when test="$index.links.to.section = 1">
-        <xsl:for-each select="$refs[@zone != '' or generate-id() = generate-id(key('tertiary-section', concat($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[not(see)][&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:choose>
-    <xsl:when 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="$type"/>
-            <xsl:sort select="translate(seealso, &lowercase;, &uppercase;)"/>
-          </xsl:apply-templates>
-        </dl>
-      </dd>
-    </xsl:when>
-    <!-- HTML5 requires dd for each dt -->
-    <xsl:when test="$div.element = 'section'">
-      <dd></dd>
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