Index: stylesheets/lfs-xsl/docbook-xsl-snapshot/xhtml/index.xsl
===================================================================
--- stylesheets/lfs-xsl/docbook-xsl-snapshot/xhtml/index.xsl	(revision c873d8072e3e1fb78b1be4ba5e3f8e3548d29694)
+++ stylesheets/lfs-xsl/docbook-xsl-snapshot/xhtml/index.xsl	(revision c873d8072e3e1fb78b1be4ba5e3f8e3548d29694)
@@ -0,0 +1,224 @@
+<?xml version="1.0" encoding="ASCII"?>
+<!--This file was created automatically by html2xhtml-->
+<!--from the HTML stylesheets.-->
+<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns="http://www.w3.org/1999/xhtml" version="1.0">
+
+<!-- ********************************************************************
+     $Id$
+     ********************************************************************
+
+     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.
+
+     ******************************************************************** -->
+
+<!-- ==================================================================== -->
+
+<xsl:template match="index">
+  <!-- some implementations use completely empty index tags to indicate -->
+  <!-- where an automatically generated index should be inserted. so -->
+  <!-- if the index is completely empty, skip it. Unless generate.index -->
+  <!-- is non-zero, in which case, this is where the automatically -->
+  <!-- generated index should go. -->
+
+  <xsl:call-template name="id.warning"/>
+
+  <xsl:if test="count(*)&gt;0 or $generate.index != '0'">
+    <div>
+      <xsl:apply-templates select="." mode="class.attribute"/>
+      <xsl:if test="$generate.id.attributes != 0">
+        <xsl:attribute name="id">
+          <xsl:call-template name="object.id"/>
+        </xsl:attribute>
+      </xsl:if>
+
+      <xsl:call-template name="index.titlepage"/>
+      <xsl:choose>
+	<xsl:when test="indexdiv">
+	  <xsl:apply-templates/>
+	</xsl:when>
+	<xsl:otherwise>
+	  <xsl:apply-templates select="*[not(self::indexentry)]"/>
+	  <!-- Because it's actually valid for Index to have neither any -->
+	  <!-- Indexdivs nor any Indexentries, we need to check and make -->
+	  <!-- sure that at least one Indexentry exists, and generate a -->
+	  <!-- wrapper dl if there is at least one; otherwise, do nothing. -->
+	  <xsl:if test="indexentry">
+	    <!-- The indexentry template assumes a parent dl wrapper has -->
+	    <!-- been generated; for Indexes that have Indexdivs, the dl -->
+	    <!-- wrapper is generated by the indexdiv template; however, -->
+	    <!-- for Indexes that lack Indexdivs, if we don't generate a -->
+	    <!-- dl here, HTML output will not be valid. -->
+	    <dl>
+	      <xsl:apply-templates select="indexentry"/>
+	    </dl>
+	  </xsl:if>
+	</xsl:otherwise>
+      </xsl:choose>
+
+      <xsl:if test="count(indexentry) = 0 and count(indexdiv) = 0">
+        <xsl:call-template name="generate-index">
+          <xsl:with-param name="scope" select="(ancestor::book|/)[last()]"/>
+        </xsl:call-template>
+      </xsl:if>
+
+      <xsl:if test="not(parent::article)">
+        <xsl:call-template name="process.footnotes"/>
+      </xsl:if>
+    </div>
+  </xsl:if>
+</xsl:template>
+
+<xsl:template match="setindex">
+  <!-- some implementations use completely empty index tags to indicate -->
+  <!-- where an automatically generated index should be inserted. so -->
+  <!-- if the index is completely empty, skip it. Unless generate.index -->
+  <!-- is non-zero, in which case, this is where the automatically -->
+  <!-- generated index should go. -->
+
+  <xsl:call-template name="id.warning"/>
+
+  <xsl:if test="count(*)&gt;0 or $generate.index != '0'">
+    <div>
+      <xsl:apply-templates select="." mode="class.attribute"/>
+      <xsl:if test="$generate.id.attributes != 0">
+        <xsl:attribute name="id">
+          <xsl:call-template name="object.id"/>
+        </xsl:attribute>
+      </xsl:if>
+
+      <xsl:call-template name="setindex.titlepage"/>
+      <xsl:apply-templates/>
+
+      <xsl:if test="count(indexentry) = 0 and count(indexdiv) = 0">
+        <xsl:call-template name="generate-index">
+          <xsl:with-param name="scope" select="/"/>
+        </xsl:call-template>
+      </xsl:if>
+
+      <xsl:if test="not(parent::article)">
+        <xsl:call-template name="process.footnotes"/>
+      </xsl:if>
+    </div>
+  </xsl:if>
+</xsl:template>
+
+<xsl:template match="index/indexinfo"/>
+<xsl:template match="index/info"/>
+<xsl:template match="index/title"/>
+<xsl:template match="index/subtitle"/>
+<xsl:template match="index/titleabbrev"/>
+
+<!-- ==================================================================== -->
+
+<xsl:template match="indexdiv">
+  <xsl:call-template name="id.warning"/>
+
+  <div>
+    <xsl:apply-templates select="." mode="class.attribute"/>
+    <xsl:if test="$generate.id.attributes != 0">
+      <xsl:attribute name="id">
+        <xsl:call-template name="object.id"/>
+      </xsl:attribute>
+    </xsl:if>
+
+    <xsl:call-template name="anchor"/>
+    <xsl:apply-templates select="*[not(self::indexentry)]"/>
+    <dl>
+      <xsl:apply-templates select="indexentry"/>
+    </dl>
+  </div>
+</xsl:template>
+
+<xsl:template match="indexdiv/title">
+  <h3>
+    <xsl:apply-templates select="." mode="class.attribute"/>
+    <xsl:apply-templates/>
+  </h3>
+</xsl:template>
+
+<!-- ==================================================================== -->
+
+<xsl:template match="indexterm">
+  <!-- this one must have a name, even if it doesn't have an ID -->
+  <xsl:variable name="id">
+    <xsl:call-template name="object.id"/>
+  </xsl:variable>
+
+  <a id="{$id}" class="indexterm"/>
+</xsl:template>
+
+<xsl:template match="primary|secondary|tertiary|see|seealso">
+</xsl:template>
+
+<!-- ==================================================================== -->
+
+<xsl:template match="indexentry">
+  <xsl:apply-templates select="primaryie"/>
+</xsl:template>
+
+<xsl:template match="primaryie">
+  <dt>
+    <xsl:apply-templates/>
+  </dt>
+  <xsl:choose>
+    <xsl:when test="following-sibling::secondaryie">
+      <dd>
+        <dl>
+          <xsl:apply-templates select="following-sibling::secondaryie"/>
+        </dl>
+      </dd>
+    </xsl:when>
+    <xsl:when test="following-sibling::seeie                     |following-sibling::seealsoie">
+      <dd>
+        <dl>
+          <xsl:apply-templates select="following-sibling::seeie                                        |following-sibling::seealsoie"/>
+        </dl>
+      </dd>
+    </xsl:when>
+  </xsl:choose>
+</xsl:template>
+
+<xsl:template match="secondaryie">
+  <dt>
+    <xsl:apply-templates/>
+  </dt>
+  <xsl:choose>
+    <xsl:when test="following-sibling::tertiaryie">
+      <dd>
+        <dl>
+          <xsl:apply-templates select="following-sibling::tertiaryie"/>
+        </dl>
+      </dd>
+    </xsl:when>
+    <xsl:when test="following-sibling::seeie                     |following-sibling::seealsoie">
+      <dd>
+        <dl>
+          <xsl:apply-templates select="following-sibling::seeie                                        |following-sibling::seealsoie"/>
+        </dl>
+      </dd>
+    </xsl:when>
+  </xsl:choose>
+</xsl:template>
+
+<xsl:template match="tertiaryie">
+  <dt>
+    <xsl:apply-templates/>
+  </dt>
+  <xsl:if test="following-sibling::seeie                 |following-sibling::seealsoie">
+    <dd>
+      <dl>
+        <xsl:apply-templates select="following-sibling::seeie                                      |following-sibling::seealsoie"/>
+      </dl>
+    </dd>
+  </xsl:if>
+</xsl:template>
+
+<xsl:template match="seeie|seealsoie">
+  <dt>
+    <xsl:apply-templates/>
+  </dt>
+</xsl:template>
+
+</xsl:stylesheet>
