From 15c7d39533a1eb1da0748011f3378fd0f02ed14d Mon Sep 17 00:00:00 2001
From: Matthew Burgess <matthew@linuxfromscratch.org>
Date: Tue, 8 Oct 2013 20:03:29 +0000
Subject: Update stylesheets to docbook-xsl-1.78.1.

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@10355 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689
---
 .../lfs-xsl/docbook-xsl-1.78.1/xhtml/xref.xsl      | 1256 ++++++++++++++++++++
 1 file changed, 1256 insertions(+)
 create mode 100644 stylesheets/lfs-xsl/docbook-xsl-1.78.1/xhtml/xref.xsl

(limited to 'stylesheets/lfs-xsl/docbook-xsl-1.78.1/xhtml/xref.xsl')

diff --git a/stylesheets/lfs-xsl/docbook-xsl-1.78.1/xhtml/xref.xsl b/stylesheets/lfs-xsl/docbook-xsl-1.78.1/xhtml/xref.xsl
new file mode 100644
index 000000000..562798362
--- /dev/null
+++ b/stylesheets/lfs-xsl/docbook-xsl-1.78.1/xhtml/xref.xsl
@@ -0,0 +1,1256 @@
+<?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:suwl="http://nwalsh.com/xslt/ext/com.nwalsh.saxon.UnwrapLinks" xmlns:exsl="http://exslt.org/common" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/1999/xhtml" exclude-result-prefixes="suwl exsl xlink" version="1.0">
+
+<!-- ********************************************************************
+     $Id: xref.xsl 9713 2013-01-22 22:08:30Z 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.
+
+     ******************************************************************** -->
+
+<!-- Use internal variable for olink xlink role for consistency -->
+<xsl:variable name="xolink.role">http://docbook.org/xlink/role/olink</xsl:variable>
+
+<!-- ==================================================================== -->
+
+<xsl:template match="anchor">
+  <xsl:choose>
+    <xsl:when test="$generate.id.attributes = 0">
+      <xsl:call-template name="anchor"/>
+    </xsl:when>
+    <xsl:otherwise>
+      <span>
+        <xsl:call-template name="id.attribute"/>
+      </span>
+    </xsl:otherwise>
+  </xsl:choose>
+</xsl:template>
+
+<!-- ==================================================================== -->
+
+<xsl:template match="xref" name="xref">
+  <xsl:param name="xhref" select="@xlink:href"/>
+  <!-- is the @xlink:href a local idref link? -->
+  <xsl:param name="xlink.idref">
+    <xsl:if test="starts-with($xhref,'#')                   and (not(contains($xhref,'('))                   or starts-with($xhref, '#xpointer(id('))">
+      <xsl:call-template name="xpointer.idref">
+        <xsl:with-param name="xpointer" select="$xhref"/>
+      </xsl:call-template>
+   </xsl:if>
+  </xsl:param>
+  <xsl:param name="xlink.targets" select="key('id',$xlink.idref)"/>
+  <xsl:param name="linkend.targets" select="key('id',@linkend)"/>
+  <xsl:param name="target" select="($xlink.targets | $linkend.targets)[1]"/>
+
+  <xsl:variable name="xrefstyle">
+    <xsl:choose>
+      <xsl:when test="@role and not(@xrefstyle)                        and $use.role.as.xrefstyle != 0">
+        <xsl:value-of select="@role"/>
+      </xsl:when>
+      <xsl:otherwise>
+        <xsl:value-of select="@xrefstyle"/>
+      </xsl:otherwise>
+    </xsl:choose>
+  </xsl:variable>
+
+  <xsl:call-template name="anchor"/>
+
+  <xsl:variable name="content">
+    <xsl:choose>
+  
+      <xsl:when test="@endterm">
+        <xsl:variable name="etargets" select="key('id',@endterm)"/>
+        <xsl:variable name="etarget" select="$etargets[1]"/>
+        <xsl:choose>
+          <xsl:when test="count($etarget) = 0">
+            <xsl:message>
+              <xsl:value-of select="count($etargets)"/>
+              <xsl:text>Endterm points to nonexistent ID: </xsl:text>
+              <xsl:value-of select="@endterm"/>
+            </xsl:message>
+            <xsl:text>???</xsl:text>
+          </xsl:when>
+          <xsl:otherwise>
+            <xsl:apply-templates select="$etarget" mode="endterm"/>
+          </xsl:otherwise>
+        </xsl:choose>
+      </xsl:when>
+  
+      <xsl:when test="$target/@xreflabel">
+        <xsl:call-template name="xref.xreflabel">
+          <xsl:with-param name="target" select="$target"/>
+        </xsl:call-template>
+      </xsl:when>
+  
+      <xsl:when test="$target">
+        <xsl:if test="not(parent::citation)">
+          <xsl:apply-templates select="$target" mode="xref-to-prefix"/>
+        </xsl:if>
+  
+        <xsl:apply-templates select="$target" mode="xref-to">
+          <xsl:with-param name="referrer" select="."/>
+          <xsl:with-param name="xrefstyle" select="$xrefstyle"/>
+        </xsl:apply-templates>
+  
+        <xsl:if test="not(parent::citation)">
+          <xsl:apply-templates select="$target" mode="xref-to-suffix"/>
+        </xsl:if>
+      </xsl:when>
+
+      <xsl:otherwise>
+        <xsl:message>
+          <xsl:text>ERROR: xref linking to </xsl:text>
+          <xsl:value-of select="@linkend|@xlink:href"/>
+          <xsl:text> has no generated link text.</xsl:text>
+        </xsl:message>
+        <xsl:text>???</xsl:text>
+      </xsl:otherwise>
+    </xsl:choose>
+  </xsl:variable>
+
+  <xsl:call-template name="simple.xlink">
+    <xsl:with-param name="content" select="$content"/>
+  </xsl:call-template>
+
+</xsl:template>
+
+<!-- ==================================================================== -->
+
+<!-- biblioref handled largely like an xref -->
+<!-- To be done: add support for begin, end, and units attributes -->
+<xsl:template match="biblioref">
+  <xsl:variable name="targets" select="key('id',@linkend)"/>
+  <xsl:variable name="target" select="$targets[1]"/>
+  <xsl:variable name="refelem" select="local-name($target)"/>
+
+  <xsl:call-template name="check.id.unique">
+    <xsl:with-param name="linkend" select="@linkend"/>
+  </xsl:call-template>
+
+  <xsl:call-template name="anchor"/>
+
+  <xsl:choose>
+    <xsl:when test="count($target) = 0">
+      <xsl:message>
+        <xsl:text>XRef to nonexistent id: </xsl:text>
+        <xsl:value-of select="@linkend"/>
+      </xsl:message>
+      <xsl:text>???</xsl:text>
+    </xsl:when>
+
+    <xsl:when test="@endterm">
+      <xsl:variable name="href">
+        <xsl:call-template name="href.target">
+          <xsl:with-param name="object" select="$target"/>
+        </xsl:call-template>
+      </xsl:variable>
+
+      <xsl:variable name="etargets" select="key('id',@endterm)"/>
+      <xsl:variable name="etarget" select="$etargets[1]"/>
+      <xsl:choose>
+        <xsl:when test="count($etarget) = 0">
+          <xsl:message>
+            <xsl:value-of select="count($etargets)"/>
+            <xsl:text>Endterm points to nonexistent ID: </xsl:text>
+            <xsl:value-of select="@endterm"/>
+          </xsl:message>
+          <a href="{$href}">
+            <xsl:apply-templates select="." mode="common.html.attributes"/>
+            <xsl:call-template name="id.attribute"/>
+            <xsl:text>???</xsl:text>
+          </a>
+        </xsl:when>
+        <xsl:otherwise>
+          <a href="{$href}">
+            <xsl:apply-templates select="." mode="common.html.attributes"/>
+            <xsl:call-template name="id.attribute"/>
+            <xsl:apply-templates select="$etarget" mode="endterm"/>
+          </a>
+        </xsl:otherwise>
+      </xsl:choose>
+    </xsl:when>
+
+    <xsl:when test="$target/@xreflabel">
+      <a>
+        <xsl:apply-templates select="." mode="common.html.attributes"/>
+        <xsl:attribute name="href">
+          <xsl:call-template name="href.target">
+            <xsl:with-param name="object" select="$target"/>
+          </xsl:call-template>
+        </xsl:attribute>
+        <xsl:call-template name="xref.xreflabel">
+          <xsl:with-param name="target" select="$target"/>
+        </xsl:call-template>
+      </a>
+    </xsl:when>
+
+    <xsl:otherwise>
+      <xsl:variable name="href">
+        <xsl:call-template name="href.target">
+          <xsl:with-param name="object" select="$target"/>
+        </xsl:call-template>
+      </xsl:variable>
+
+      <xsl:if test="not(parent::citation)">
+        <xsl:apply-templates select="$target" mode="xref-to-prefix"/>
+      </xsl:if>
+
+      <a href="{$href}">
+        <xsl:apply-templates select="." mode="class.attribute"/>
+        <xsl:if test="$target/title or $target/info/title">
+          <xsl:attribute name="title">
+            <xsl:apply-templates select="$target" mode="xref-title"/>
+          </xsl:attribute>
+        </xsl:if>
+        <xsl:apply-templates select="$target" mode="xref-to">
+          <xsl:with-param name="referrer" select="."/>
+          <xsl:with-param name="xrefstyle">
+            <xsl:choose>
+              <xsl:when test="@role and not(@xrefstyle) and $use.role.as.xrefstyle != 0">
+                <xsl:value-of select="@role"/>
+              </xsl:when>
+              <xsl:otherwise>
+                <xsl:value-of select="@xrefstyle"/>
+              </xsl:otherwise>
+            </xsl:choose>
+          </xsl:with-param>
+        </xsl:apply-templates>
+      </a>
+
+      <xsl:if test="not(parent::citation)">
+        <xsl:apply-templates select="$target" mode="xref-to-suffix"/>
+      </xsl:if>
+    </xsl:otherwise>
+  </xsl:choose>
+</xsl:template>
+
+<!-- ==================================================================== -->
+
+<xsl:template match="*" mode="endterm">
+  <!-- Process the children of the endterm element -->
+  <xsl:variable name="endterm">
+    <xsl:apply-templates select="child::node()" mode="no.anchor.mode"/>
+  </xsl:variable>
+
+  <xsl:choose>
+    <xsl:when test="$exsl.node.set.available != 0">
+      <xsl:apply-templates select="exsl:node-set($endterm)" mode="remove-ids"/>
+    </xsl:when>
+    <xsl:otherwise>
+      <xsl:copy-of select="$endterm"/>
+    </xsl:otherwise>
+  </xsl:choose>
+</xsl:template>
+
+<xsl:template match="*" mode="remove-ids">
+  <xsl:choose>
+    <!-- handle html or xhtml -->
+    <xsl:when test="local-name(.) = 'a'                     and (namespace-uri(.) = ''                          or namespace-uri(.) = 'http://www.w3.org/1999/xhtml')">
+      <xsl:choose>
+        <xsl:when test="(@name and count(@*) = 1)                         or (@id and count(@*) = 1)                         or (@xml:id and count(@*) = 1)                         or (@xml:id and @name and count(@*) = 2)                         or (@id and @name and count(@*) = 2)">
+          <xsl:message>suppress anchor</xsl:message>
+          <!-- suppress the whole thing -->
+        </xsl:when>
+        <xsl:otherwise>
+          <xsl:copy>
+            <xsl:for-each select="@*">
+              <xsl:choose>
+                <xsl:when test="local-name(.) != 'name' and local-name(.) != 'id'">
+                  <xsl:copy/>
+                </xsl:when>
+                <xsl:otherwise>
+                  <xsl:message>removing <xsl:value-of select="local-name(.)"/></xsl:message>
+                </xsl:otherwise>
+              </xsl:choose>
+            </xsl:for-each>
+          </xsl:copy>
+          <xsl:apply-templates mode="remove-ids"/>
+        </xsl:otherwise>
+      </xsl:choose>
+    </xsl:when>
+    <xsl:otherwise>
+      <xsl:copy>
+        <xsl:for-each select="@*">
+          <xsl:choose>
+            <xsl:when test="local-name(.) != 'id'">
+              <xsl:copy/>
+            </xsl:when>
+            <xsl:otherwise>
+              <xsl:message>removing <xsl:value-of select="local-name(.)"/></xsl:message>
+            </xsl:otherwise>
+          </xsl:choose>
+        </xsl:for-each>
+        <xsl:apply-templates mode="remove-ids"/>
+      </xsl:copy>
+    </xsl:otherwise>
+  </xsl:choose>
+</xsl:template>
+
+<!-- ==================================================================== -->
+
+<xsl:template match="*" mode="xref-to-prefix"/>
+<xsl:template match="*" mode="xref-to-suffix"/>
+
+<xsl:template match="*" mode="xref-to">
+  <xsl:param name="referrer"/>
+  <xsl:param name="xrefstyle"/>
+  <xsl:param name="verbose" select="1"/>
+
+  <xsl:if test="$verbose">
+    <xsl:message>
+      <xsl:text>Don't know what gentext to create for xref to: "</xsl:text>
+      <xsl:value-of select="name(.)"/>
+      <xsl:text>", ("</xsl:text>
+      <xsl:value-of select="(@id|@xml:id)[1]"/>
+      <xsl:text>")</xsl:text>
+    </xsl:message>
+  </xsl:if>
+  <xsl:text>???</xsl:text>
+</xsl:template>
+
+<xsl:template match="title" mode="xref-to">
+  <xsl:param name="referrer"/>
+  <xsl:param name="xrefstyle"/>
+  <xsl:param name="verbose" select="1"/>
+
+  <!-- if you xref to a title, xref to the parent... -->
+  <xsl:choose>
+    <!-- FIXME: how reliable is this? -->
+    <xsl:when test="contains(local-name(parent::*), 'info')">
+      <xsl:apply-templates select="parent::*[2]" mode="xref-to">
+        <xsl:with-param name="referrer" select="$referrer"/>
+        <xsl:with-param name="xrefstyle" select="$xrefstyle"/>
+        <xsl:with-param name="verbose" select="$verbose"/>
+      </xsl:apply-templates>
+    </xsl:when>
+    <xsl:otherwise>
+      <xsl:apply-templates select="parent::*" mode="xref-to">
+        <xsl:with-param name="referrer" select="$referrer"/>
+        <xsl:with-param name="xrefstyle" select="$xrefstyle"/>
+        <xsl:with-param name="verbose" select="$verbose"/>
+      </xsl:apply-templates>
+    </xsl:otherwise>
+  </xsl:choose>
+</xsl:template>
+
+<xsl:template match="abstract|authorblurb|personblurb|bibliodiv|bibliomset                      |biblioset|blockquote|calloutlist|caution|colophon                      |constraintdef|formalpara|glossdiv|important|indexdiv                      |itemizedlist|legalnotice|lot|msg|msgexplan|msgmain                      |msgrel|msgset|msgsub|note|orderedlist|partintro                      |productionset|qandadiv|refsynopsisdiv|screenshot|segmentedlist                      |set|setindex|sidebar|tip|toc|variablelist|warning" mode="xref-to">
+  <xsl:param name="referrer"/>
+  <xsl:param name="xrefstyle"/>
+  <xsl:param name="verbose" select="1"/>
+
+  <!-- catch-all for things with (possibly optional) titles -->
+  <xsl:apply-templates select="." mode="object.xref.markup">
+    <xsl:with-param name="purpose" select="'xref'"/>
+    <xsl:with-param name="xrefstyle" select="$xrefstyle"/>
+    <xsl:with-param name="referrer" select="$referrer"/>
+    <xsl:with-param name="verbose" select="$verbose"/>
+  </xsl:apply-templates>
+</xsl:template>
+
+<xsl:template match="author|editor|othercredit|personname" mode="xref-to">
+  <xsl:param name="referrer"/>
+  <xsl:param name="xrefstyle"/>
+
+  <xsl:call-template name="person.name"/>
+</xsl:template>
+
+<xsl:template match="authorgroup" mode="xref-to">
+  <xsl:param name="referrer"/>
+  <xsl:param name="xrefstyle"/>
+
+  <xsl:call-template name="person.name.list"/>
+</xsl:template>
+
+<xsl:template match="figure|example|table|equation" mode="xref-to">
+  <xsl:param name="referrer"/>
+  <xsl:param name="xrefstyle"/>
+  <xsl:param name="verbose" select="1"/>
+
+  <xsl:apply-templates select="." mode="object.xref.markup">
+    <xsl:with-param name="purpose" select="'xref'"/>
+    <xsl:with-param name="xrefstyle" select="$xrefstyle"/>
+    <xsl:with-param name="referrer" select="$referrer"/>
+    <xsl:with-param name="verbose" select="$verbose"/>
+  </xsl:apply-templates>
+</xsl:template>
+
+<xsl:template match="procedure" mode="xref-to">
+  <xsl:param name="referrer"/>
+  <xsl:param name="xrefstyle"/>
+  <xsl:param name="verbose"/>
+
+  <xsl:apply-templates select="." mode="object.xref.markup">
+    <xsl:with-param name="purpose" select="'xref'"/>
+    <xsl:with-param name="xrefstyle" select="$xrefstyle"/>
+    <xsl:with-param name="referrer" select="$referrer"/>
+    <xsl:with-param name="verbose" select="$verbose"/>
+  </xsl:apply-templates>
+</xsl:template>
+
+<xsl:template match="task" mode="xref-to">
+  <xsl:param name="referrer"/>
+  <xsl:param name="xrefstyle"/>
+  <xsl:param name="verbose"/>
+
+  <xsl:apply-templates select="." mode="object.xref.markup">
+    <xsl:with-param name="purpose" select="'xref'"/>
+    <xsl:with-param name="xrefstyle" select="$xrefstyle"/>
+    <xsl:with-param name="referrer" select="$referrer"/>
+    <xsl:with-param name="verbose" select="$verbose"/>
+  </xsl:apply-templates>
+</xsl:template>
+
+<xsl:template match="cmdsynopsis" mode="xref-to">
+  <xsl:apply-templates select="(.//command)[1]" mode="xref"/>
+</xsl:template>
+
+<xsl:template match="funcsynopsis" mode="xref-to">
+  <xsl:apply-templates select="(.//function)[1]" mode="xref"/>
+</xsl:template>
+
+<xsl:template match="dedication|acknowledgements|preface|chapter|appendix|article" mode="xref-to">
+  <xsl:param name="referrer"/>
+  <xsl:param name="xrefstyle"/>
+  <xsl:param name="verbose" select="1"/>
+
+  <xsl:apply-templates select="." mode="object.xref.markup">
+    <xsl:with-param name="purpose" select="'xref'"/>
+    <xsl:with-param name="xrefstyle" select="$xrefstyle"/>
+    <xsl:with-param name="referrer" select="$referrer"/>
+    <xsl:with-param name="verbose" select="$verbose"/>
+  </xsl:apply-templates>
+</xsl:template>
+
+<xsl:template match="bibliography" mode="xref-to">
+  <xsl:param name="referrer"/>
+  <xsl:param name="xrefstyle"/>
+  <xsl:param name="verbose" select="1"/>
+
+  <xsl:apply-templates select="." mode="object.xref.markup">
+    <xsl:with-param name="purpose" select="'xref'"/>
+    <xsl:with-param name="xrefstyle" select="$xrefstyle"/>
+    <xsl:with-param name="referrer" select="$referrer"/>
+    <xsl:with-param name="verbose" select="$verbose"/>
+  </xsl:apply-templates>
+</xsl:template>
+
+<xsl:template match="biblioentry|bibliomixed" mode="xref-to-prefix">
+  <xsl:text>[</xsl:text>
+</xsl:template>
+
+<xsl:template match="biblioentry|bibliomixed" mode="xref-to-suffix">
+  <xsl:text>]</xsl:text>
+</xsl:template>
+
+<xsl:template match="biblioentry|bibliomixed" mode="xref-to">
+  <xsl:param name="referrer"/>
+  <xsl:param name="xrefstyle"/>
+  <xsl:param name="verbose" select="1"/>
+
+  <!-- handles both biblioentry and bibliomixed -->
+  <xsl:choose>
+    <xsl:when test="string(.) = ''">
+      <xsl:variable name="bib" select="document($bibliography.collection,.)"/>
+      <xsl:variable name="id" select="(@id|@xml:id)[1]"/>
+      <xsl:variable name="entry" select="$bib/bibliography/                                     *[@id=$id or @xml:id=$id][1]"/>
+      <xsl:choose>
+        <xsl:when test="$entry">
+          <xsl:choose>
+            <xsl:when test="$bibliography.numbered != 0">
+              <xsl:number from="bibliography" count="biblioentry|bibliomixed" level="any" format="1"/>
+            </xsl:when>
+            <xsl:when test="local-name($entry/*[1]) = 'abbrev'">
+              <xsl:apply-templates select="$entry/*[1]" mode="no.anchor.mode"/>
+            </xsl:when>
+            <xsl:otherwise>
+              <xsl:value-of select="(@id|@xml:id)[1]"/>
+            </xsl:otherwise>
+          </xsl:choose>
+        </xsl:when>
+        <xsl:otherwise>
+          <xsl:message>
+            <xsl:text>No bibliography entry: </xsl:text>
+            <xsl:value-of select="$id"/>
+            <xsl:text> found in </xsl:text>
+            <xsl:value-of select="$bibliography.collection"/>
+          </xsl:message>
+          <xsl:value-of select="(@id|@xml:id)[1]"/>
+        </xsl:otherwise>
+      </xsl:choose>
+    </xsl:when>
+    <xsl:otherwise>
+      <xsl:choose>
+        <xsl:when test="$bibliography.numbered != 0">
+          <xsl:number from="bibliography" count="biblioentry|bibliomixed" level="any" format="1"/>
+        </xsl:when>
+        <xsl:when test="local-name(*[1]) = 'abbrev'">
+          <xsl:apply-templates select="*[1]" mode="no.anchor.mode"/>
+        </xsl:when>
+        <xsl:otherwise>
+          <xsl:value-of select="(@id|@xml:id)[1]"/>
+        </xsl:otherwise>
+      </xsl:choose>
+    </xsl:otherwise>
+  </xsl:choose>
+</xsl:template>
+
+<xsl:template match="glossary" mode="xref-to">
+  <xsl:param name="referrer"/>
+  <xsl:param name="xrefstyle"/>
+  <xsl:param name="verbose" select="1"/>
+
+  <xsl:apply-templates select="." mode="object.xref.markup">
+    <xsl:with-param name="purpose" select="'xref'"/>
+    <xsl:with-param name="xrefstyle" select="$xrefstyle"/>
+    <xsl:with-param name="referrer" select="$referrer"/>
+    <xsl:with-param name="verbose" select="$verbose"/>
+  </xsl:apply-templates>
+</xsl:template>
+
+<xsl:template match="glossentry" mode="xref-to">
+  <xsl:param name="referrer"/>
+  <xsl:param name="xrefstyle"/>
+  <xsl:param name="verbose" select="1"/>
+  <xsl:choose>
+    <xsl:when test="$glossentry.show.acronym = 'primary'">
+      <xsl:choose>
+        <xsl:when test="acronym|abbrev">
+          <xsl:apply-templates select="(acronym|abbrev)[1]" mode="no.anchor.mode"/>
+        </xsl:when>
+        <xsl:otherwise>
+          <xsl:apply-templates select="glossterm[1]" mode="xref-to">
+            <xsl:with-param name="xrefstyle" select="$xrefstyle"/>
+            <xsl:with-param name="referrer" select="$referrer"/>
+            <xsl:with-param name="verbose" select="$verbose"/>
+          </xsl:apply-templates>
+        </xsl:otherwise>
+      </xsl:choose>
+    </xsl:when>
+    <xsl:otherwise>
+      <xsl:apply-templates select="glossterm[1]" mode="xref-to">
+        <xsl:with-param name="xrefstyle" select="$xrefstyle"/>
+        <xsl:with-param name="referrer" select="$referrer"/>
+        <xsl:with-param name="verbose" select="$verbose"/>
+      </xsl:apply-templates>
+    </xsl:otherwise>
+  </xsl:choose>
+</xsl:template>
+
+<xsl:template match="glossterm|firstterm" mode="xref-to">
+  <xsl:apply-templates mode="no.anchor.mode"/>
+</xsl:template>
+
+<xsl:template match="index" mode="xref-to">
+  <xsl:param name="referrer"/>
+  <xsl:param name="xrefstyle"/>
+  <xsl:param name="verbose" select="1"/>
+
+  <xsl:apply-templates select="." mode="object.xref.markup">
+    <xsl:with-param name="purpose" select="'xref'"/>
+    <xsl:with-param name="xrefstyle" select="$xrefstyle"/>
+    <xsl:with-param name="referrer" select="$referrer"/>
+    <xsl:with-param name="verbose" select="$verbose"/>
+  </xsl:apply-templates>
+</xsl:template>
+
+<xsl:template match="listitem" mode="xref-to">
+  <xsl:param name="referrer"/>
+  <xsl:param name="xrefstyle"/>
+  <xsl:param name="verbose"/>
+
+  <xsl:apply-templates select="." mode="object.xref.markup">
+    <xsl:with-param name="purpose" select="'xref'"/>
+    <xsl:with-param name="xrefstyle" select="$xrefstyle"/>
+    <xsl:with-param name="referrer" select="$referrer"/>
+    <xsl:with-param name="verbose" select="$verbose"/>
+  </xsl:apply-templates>
+</xsl:template>
+
+<xsl:template match="section|simplesect                      |sect1|sect2|sect3|sect4|sect5                      |refsect1|refsect2|refsect3|refsection" mode="xref-to">
+  <xsl:param name="referrer"/>
+  <xsl:param name="xrefstyle"/>
+  <xsl:param name="verbose" select="1"/>
+
+  <xsl:apply-templates select="." mode="object.xref.markup">
+    <xsl:with-param name="purpose" select="'xref'"/>
+    <xsl:with-param name="xrefstyle" select="$xrefstyle"/>
+    <xsl:with-param name="referrer" select="$referrer"/>
+    <xsl:with-param name="verbose" select="$verbose"/>
+  </xsl:apply-templates>
+  <!-- FIXME: What about "in Chapter X"? -->
+</xsl:template>
+
+<xsl:template match="topic" mode="xref-to">
+  <xsl:param name="referrer"/>
+  <xsl:param name="xrefstyle"/>
+  <xsl:param name="verbose" select="1"/>
+
+  <xsl:apply-templates select="." mode="object.xref.markup">
+    <xsl:with-param name="purpose" select="'xref'"/>
+    <xsl:with-param name="xrefstyle" select="$xrefstyle"/>
+    <xsl:with-param name="referrer" select="$referrer"/>
+    <xsl:with-param name="verbose" select="$verbose"/>
+  </xsl:apply-templates>
+</xsl:template>
+
+<xsl:template match="bridgehead" mode="xref-to">
+  <xsl:param name="referrer"/>
+  <xsl:param name="xrefstyle"/>
+  <xsl:param name="verbose" select="1"/>
+
+  <xsl:apply-templates select="." mode="object.xref.markup">
+    <xsl:with-param name="purpose" select="'xref'"/>
+    <xsl:with-param name="xrefstyle" select="$xrefstyle"/>
+    <xsl:with-param name="referrer" select="$referrer"/>
+    <xsl:with-param name="verbose" select="$verbose"/>
+  </xsl:apply-templates>
+  <!-- FIXME: What about "in Chapter X"? -->
+</xsl:template>
+
+<xsl:template match="qandaset" mode="xref-to">
+  <xsl:param name="referrer"/>
+  <xsl:param name="xrefstyle"/>
+  <xsl:param name="verbose" select="1"/>
+
+  <xsl:apply-templates select="." mode="object.xref.markup">
+    <xsl:with-param name="purpose" select="'xref'"/>
+    <xsl:with-param name="xrefstyle" select="$xrefstyle"/>
+    <xsl:with-param name="referrer" select="$referrer"/>
+    <xsl:with-param name="verbose" select="$verbose"/>
+  </xsl:apply-templates>
+</xsl:template>
+
+<xsl:template match="qandaentry" mode="xref-to">
+  <xsl:param name="referrer"/>
+  <xsl:param name="xrefstyle"/>
+  <xsl:param name="verbose" select="1"/>
+
+  <xsl:apply-templates select="question[1]" mode="xref-to">
+    <xsl:with-param name="xrefstyle" select="$xrefstyle"/>
+    <xsl:with-param name="referrer" select="$referrer"/>
+    <xsl:with-param name="verbose" select="$verbose"/>
+  </xsl:apply-templates>
+</xsl:template>
+
+<xsl:template match="question|answer" mode="xref-to">
+  <xsl:param name="referrer"/>
+  <xsl:param name="xrefstyle"/>
+  <xsl:param name="verbose" select="1"/>
+
+  <xsl:choose>
+    <xsl:when test="string-length(label) != 0">
+      <xsl:apply-templates select="." mode="label.markup"/>
+    </xsl:when>
+    <xsl:otherwise>
+      <xsl:apply-templates select="." mode="object.xref.markup">
+        <xsl:with-param name="purpose" select="'xref'"/>
+        <xsl:with-param name="xrefstyle" select="$xrefstyle"/>
+        <xsl:with-param name="referrer" select="$referrer"/>
+        <xsl:with-param name="verbose" select="$verbose"/>
+      </xsl:apply-templates>
+    </xsl:otherwise>
+  </xsl:choose>
+</xsl:template>
+
+<xsl:template match="part|reference" mode="xref-to">
+  <xsl:param name="referrer"/>
+  <xsl:param name="xrefstyle"/>
+  <xsl:param name="verbose" select="1"/>
+
+  <xsl:apply-templates select="." mode="object.xref.markup">
+    <xsl:with-param name="purpose" select="'xref'"/>
+    <xsl:with-param name="xrefstyle" select="$xrefstyle"/>
+    <xsl:with-param name="referrer" select="$referrer"/>
+    <xsl:with-param name="verbose" select="$verbose"/>
+  </xsl:apply-templates>
+</xsl:template>
+
+<xsl:template match="refentry" mode="xref-to">
+  <xsl:param name="referrer"/>
+  <xsl:param name="xrefstyle"/>
+
+  <xsl:choose>
+    <xsl:when test="refmeta/refentrytitle">
+      <xsl:apply-templates select="refmeta/refentrytitle" mode="no.anchor.mode"/>
+    </xsl:when>
+    <xsl:otherwise>
+      <xsl:apply-templates select="refnamediv/refname[1]" mode="no.anchor.mode"/>
+    </xsl:otherwise>
+  </xsl:choose>
+  <xsl:apply-templates select="refmeta/manvolnum" mode="no.anchor.mode"/>
+</xsl:template>
+
+<xsl:template match="refnamediv" mode="xref-to">
+  <xsl:param name="referrer"/>
+  <xsl:param name="xrefstyle"/>
+  <xsl:param name="verbose" select="1"/>
+
+  <xsl:apply-templates select="refname[1]" mode="xref-to">
+    <xsl:with-param name="xrefstyle" select="$xrefstyle"/>
+    <xsl:with-param name="referrer" select="$referrer"/>
+    <xsl:with-param name="verbose" select="$verbose"/>
+  </xsl:apply-templates>
+</xsl:template>
+
+<xsl:template match="refname" mode="xref-to">
+  <xsl:param name="referrer"/>
+  <xsl:param name="xrefstyle"/>
+  <xsl:param name="verbose" select="1"/>
+
+  <xsl:apply-templates mode="xref-to"/>
+</xsl:template>
+
+<xsl:template match="step" mode="xref-to">
+  <xsl:param name="referrer"/>
+  <xsl:param name="xrefstyle"/>
+
+  <xsl:call-template name="gentext">
+    <xsl:with-param name="key" select="'Step'"/>
+  </xsl:call-template>
+  <xsl:text> </xsl:text>
+  <xsl:apply-templates select="." mode="number"/>
+</xsl:template>
+
+<xsl:template match="varlistentry" mode="xref-to">
+  <xsl:param name="referrer"/>
+  <xsl:param name="xrefstyle"/>
+  <xsl:param name="verbose" select="1"/>
+
+  <xsl:apply-templates select="term[1]" mode="xref-to">
+    <xsl:with-param name="xrefstyle" select="$xrefstyle"/>
+    <xsl:with-param name="referrer" select="$referrer"/>
+    <xsl:with-param name="verbose" select="$verbose"/>
+  </xsl:apply-templates>
+</xsl:template>
+
+<xsl:template match="primary|secondary|tertiary" mode="xref-to">
+  <xsl:value-of select="."/>
+</xsl:template>
+
+<xsl:template match="indexterm" mode="xref-to">
+  <xsl:value-of select="primary"/>
+</xsl:template>
+
+<xsl:template match="varlistentry/term" mode="xref-to">
+  <xsl:param name="referrer"/>
+  <xsl:param name="xrefstyle"/>
+
+  <xsl:apply-templates mode="no.anchor.mode"/>
+</xsl:template>
+
+<xsl:template match="co" mode="xref-to">
+  <xsl:param name="referrer"/>
+  <xsl:param name="xrefstyle"/>
+
+  <xsl:apply-templates select="." mode="callout-bug"/>
+</xsl:template>
+
+<xsl:template match="area|areaset" mode="xref-to">
+  <xsl:param name="referrer"/>
+  <xsl:param name="xrefstyle"/>
+
+  <xsl:call-template name="callout-bug">
+    <xsl:with-param name="conum">
+      <xsl:apply-templates select="." mode="conumber"/>
+    </xsl:with-param>
+  </xsl:call-template>
+</xsl:template>
+
+<xsl:template match="book" mode="xref-to">
+  <xsl:param name="referrer"/>
+  <xsl:param name="xrefstyle"/>
+  <xsl:param name="verbose" select="1"/>
+
+  <xsl:apply-templates select="." mode="object.xref.markup">
+    <xsl:with-param name="purpose" select="'xref'"/>
+    <xsl:with-param name="xrefstyle" select="$xrefstyle"/>
+    <xsl:with-param name="referrer" select="$referrer"/>
+    <xsl:with-param name="verbose" select="$verbose"/>
+  </xsl:apply-templates>
+</xsl:template>
+
+<!-- These are elements for which no link text exists, so an xref to one
+     uses the xrefstyle attribute if specified, or if not it falls back
+     to the container element's link text -->
+<xsl:template match="para|phrase|simpara|anchor|quote" mode="xref-to">
+  <xsl:param name="referrer"/>
+  <xsl:param name="xrefstyle"/>
+  <xsl:param name="verbose" select="1"/>
+
+  <xsl:variable name="context" select="(ancestor::simplesect                                        |ancestor::section                                        |ancestor::sect1                                        |ancestor::sect2                                        |ancestor::sect3                                        |ancestor::sect4                                        |ancestor::sect5                                        |ancestor::topic                                        |ancestor::refsection                                        |ancestor::refsect1                                        |ancestor::refsect2                                        |ancestor::refsect3                                        |ancestor::chapter                                        |ancestor::appendix                                        |ancestor::preface                                        |ancestor::partintro                                        |ancestor::dedication                                        |ancestor::acknowledgements                                        |ancestor::colophon                                        |ancestor::bibliography                                        |ancestor::index                                        |ancestor::glossary                                        |ancestor::glossentry                                        |ancestor::listitem                                        |ancestor::varlistentry)[last()]"/>
+
+  <xsl:choose>
+    <xsl:when test="$xrefstyle != ''">
+      <xsl:apply-templates select="." mode="object.xref.markup">
+        <xsl:with-param name="xrefstyle" select="$xrefstyle"/>
+        <xsl:with-param name="referrer" select="$referrer"/>
+        <xsl:with-param name="verbose" select="$verbose"/>
+      </xsl:apply-templates>
+    </xsl:when>
+    <xsl:otherwise>
+      <xsl:apply-templates select="$context" mode="xref-to">
+        <xsl:with-param name="purpose" select="'xref'"/>
+        <xsl:with-param name="xrefstyle" select="$xrefstyle"/>
+        <xsl:with-param name="referrer" select="$referrer"/>
+        <xsl:with-param name="verbose" select="$verbose"/>
+      </xsl:apply-templates>
+    </xsl:otherwise>
+  </xsl:choose>
+</xsl:template>
+
+<!-- ==================================================================== -->
+
+<xsl:template match="*" mode="xref-title">
+  <xsl:variable name="title">
+    <xsl:apply-templates select="." mode="object.title.markup"/>
+  </xsl:variable>
+
+  <xsl:value-of select="$title"/>
+</xsl:template>
+
+<xsl:template match="author" mode="xref-title">
+  <xsl:variable name="title">
+    <xsl:call-template name="person.name"/>
+  </xsl:variable>
+
+  <xsl:value-of select="$title"/>
+</xsl:template>
+
+<xsl:template match="authorgroup" mode="xref-title">
+  <xsl:variable name="title">
+    <xsl:call-template name="person.name.list"/>
+  </xsl:variable>
+
+  <xsl:value-of select="$title"/>
+</xsl:template>
+
+<xsl:template match="cmdsynopsis" mode="xref-title">
+  <xsl:variable name="title">
+    <xsl:apply-templates select="(.//command)[1]" mode="xref"/>
+  </xsl:variable>
+
+  <xsl:value-of select="$title"/>
+</xsl:template>
+
+<xsl:template match="funcsynopsis" mode="xref-title">
+  <xsl:variable name="title">
+    <xsl:apply-templates select="(.//function)[1]" mode="xref"/>
+  </xsl:variable>
+
+  <xsl:value-of select="$title"/>
+</xsl:template>
+
+<xsl:template match="biblioentry|bibliomixed" mode="xref-title">
+  <!-- handles both biblioentry and bibliomixed -->
+  <xsl:variable name="title">
+    <xsl:text>[</xsl:text>
+    <xsl:choose>
+      <xsl:when test="local-name(*[1]) = 'abbrev'">
+        <xsl:apply-templates select="*[1]" mode="no.anchor.mode"/>
+      </xsl:when>
+      <xsl:otherwise>
+        <xsl:value-of select="(@id|@xml:id)[1]"/>
+      </xsl:otherwise>
+    </xsl:choose>
+    <xsl:text>]</xsl:text>
+  </xsl:variable>
+
+  <xsl:value-of select="$title"/>
+</xsl:template>
+
+<xsl:template match="step" mode="xref-title">
+  <xsl:call-template name="gentext">
+    <xsl:with-param name="key" select="'Step'"/>
+  </xsl:call-template>
+  <xsl:text> </xsl:text>
+  <xsl:apply-templates select="." mode="number"/>
+</xsl:template>
+
+<xsl:template match="step[not(./title)]" mode="title.markup">
+  <xsl:call-template name="gentext">
+    <xsl:with-param name="key" select="'Step'"/>
+  </xsl:call-template>
+  <xsl:text> </xsl:text>
+  <xsl:apply-templates select="." mode="number"/>
+</xsl:template>
+
+<xsl:template match="co" mode="xref-title">
+  <xsl:variable name="title">
+    <xsl:apply-templates select="." mode="callout-bug"/>
+  </xsl:variable>
+
+  <xsl:value-of select="$title"/>
+</xsl:template>
+
+<!-- ==================================================================== -->
+
+<xsl:template match="link" name="link">
+  <xsl:param name="linkend" select="@linkend"/>
+  <xsl:param name="a.target"/>
+  <xsl:param name="xhref" select="@xlink:href"/>
+
+  <xsl:variable name="content">
+    <xsl:call-template name="anchor"/>
+    <xsl:choose>
+      <xsl:when test="count(child::node()) &gt; 0">
+        <!-- If it has content, use it -->
+        <xsl:apply-templates mode="no.anchor.mode"/>
+      </xsl:when>
+      <!-- else look for an endterm -->
+      <xsl:when test="@endterm">
+        <xsl:variable name="etargets" select="key('id',@endterm)"/>
+        <xsl:variable name="etarget" select="$etargets[1]"/>
+        <xsl:choose>
+          <xsl:when test="count($etarget) = 0">
+            <xsl:message>
+              <xsl:value-of select="count($etargets)"/>
+              <xsl:text>Endterm points to nonexistent ID: </xsl:text>
+              <xsl:value-of select="@endterm"/>
+            </xsl:message>
+            <xsl:text>???</xsl:text>
+          </xsl:when>
+          <xsl:otherwise>
+              <xsl:apply-templates select="$etarget" mode="endterm"/>
+          </xsl:otherwise>
+        </xsl:choose>
+      </xsl:when>
+      <!-- Use the xlink:href if no other text -->
+      <xsl:when test="@xlink:href">
+        <xsl:value-of select="@xlink:href"/>
+      </xsl:when>
+      <xsl:otherwise>
+        <xsl:message>
+          <xsl:text>Link element has no content and no Endterm. </xsl:text>
+          <xsl:text>Nothing to show in the link to </xsl:text>
+          <xsl:value-of select="(@xlink:href|@linkend)[1]"/>
+        </xsl:message>
+        <xsl:text>???</xsl:text>
+      </xsl:otherwise>
+    </xsl:choose>
+  </xsl:variable>
+
+  <xsl:call-template name="simple.xlink">
+    <xsl:with-param name="node" select="."/>
+    <xsl:with-param name="linkend" select="$linkend"/>
+    <xsl:with-param name="content" select="$content"/>
+    <xsl:with-param name="a.target" select="$a.target"/>
+    <xsl:with-param name="xhref" select="$xhref"/>
+  </xsl:call-template>
+
+</xsl:template>
+
+<xsl:template match="ulink" name="ulink">
+  <xsl:param name="url" select="@url"/>
+  <xsl:variable name="link">
+    <a>
+      <xsl:apply-templates select="." mode="common.html.attributes"/>
+      <xsl:if test="@id or @xml:id">
+        <xsl:choose>
+          <xsl:when test="$generate.id.attributes = 0">
+            <xsl:attribute name="id">
+              <xsl:value-of select="(@id|@xml:id)[1]"/>
+            </xsl:attribute>
+          </xsl:when>
+          <xsl:otherwise>
+            <xsl:attribute name="id">
+              <xsl:value-of select="(@id|@xml:id)[1]"/>
+            </xsl:attribute>
+          </xsl:otherwise>
+        </xsl:choose>
+      </xsl:if>
+      <xsl:attribute name="href"><xsl:value-of select="$url"/></xsl:attribute>
+      <xsl:if test="$ulink.target != ''">
+        <xsl:attribute name="target">
+          <xsl:value-of select="$ulink.target"/>
+        </xsl:attribute>
+      </xsl:if>
+      <xsl:choose>
+        <xsl:when test="count(child::node())=0">
+          <xsl:value-of select="$url"/>
+        </xsl:when>
+        <xsl:otherwise>
+          <xsl:apply-templates mode="no.anchor.mode"/>
+        </xsl:otherwise>
+      </xsl:choose>
+    </a>
+  </xsl:variable>
+
+  <xsl:choose>
+    <xsl:when test="function-available('suwl:unwrapLinks')">
+      <xsl:copy-of select="suwl:unwrapLinks($link)"/>
+    </xsl:when>
+    <xsl:otherwise>
+      <xsl:copy-of select="$link"/>
+    </xsl:otherwise>
+  </xsl:choose>
+</xsl:template>
+
+<xsl:template match="olink" name="olink">
+  <!-- olink content may be passed in from xlink olink -->
+  <xsl:param name="content" select="NOTANELEMENT"/>
+
+  <xsl:call-template name="anchor"/>
+
+  <xsl:choose>
+    <!-- olinks resolved by stylesheet and target database -->
+    <xsl:when test="@targetdoc or @targetptr or                     (@xlink:role=$xolink.role and                      contains(@xlink:href, '#') )">
+
+      <xsl:variable name="targetdoc.att">
+        <xsl:choose>
+          <xsl:when test="@targetdoc != ''">
+            <xsl:value-of select="@targetdoc"/>
+          </xsl:when>
+          <xsl:when test="@xlink:role=$xolink.role and                        contains(@xlink:href, '#')">
+            <xsl:value-of select="substring-before(@xlink:href, '#')"/>
+          </xsl:when>
+        </xsl:choose>
+      </xsl:variable>
+
+      <xsl:variable name="targetptr.att">
+        <xsl:choose>
+          <xsl:when test="@targetptr != ''">
+            <xsl:value-of select="@targetptr"/>
+          </xsl:when>
+          <xsl:when test="@xlink:role=$xolink.role and                        contains(@xlink:href, '#')">
+            <xsl:value-of select="substring-after(@xlink:href, '#')"/>
+          </xsl:when>
+        </xsl:choose>
+      </xsl:variable>
+
+      <xsl:variable name="olink.lang">
+        <xsl:call-template name="l10n.language">
+          <xsl:with-param name="xref-context" select="true()"/>
+        </xsl:call-template>
+      </xsl:variable>
+    
+      <xsl:variable name="target.database.filename">
+        <xsl:call-template name="select.target.database">
+          <xsl:with-param name="targetdoc.att" select="$targetdoc.att"/>
+          <xsl:with-param name="targetptr.att" select="$targetptr.att"/>
+          <xsl:with-param name="olink.lang" select="$olink.lang"/>
+        </xsl:call-template>
+      </xsl:variable>
+    
+      <xsl:variable name="target.database" select="document($target.database.filename,/)"/>
+    
+      <xsl:if test="$olink.debug != 0">
+        <xsl:message>
+          <xsl:text>Olink debug: root element of target.database '</xsl:text>
+          <xsl:value-of select="$target.database.filename"/>
+          <xsl:text>' is '</xsl:text>
+          <xsl:value-of select="local-name($target.database/*[1])"/>
+          <xsl:text>'.</xsl:text>
+        </xsl:message>
+      </xsl:if>
+    
+      <xsl:variable name="olink.key">
+        <xsl:call-template name="select.olink.key">
+          <xsl:with-param name="targetdoc.att" select="$targetdoc.att"/>
+          <xsl:with-param name="targetptr.att" select="$targetptr.att"/>
+          <xsl:with-param name="olink.lang" select="$olink.lang"/>
+          <xsl:with-param name="target.database" select="$target.database"/>
+        </xsl:call-template>
+      </xsl:variable>
+    
+      <xsl:if test="string-length($olink.key) = 0">
+        <xsl:message>
+          <xsl:text>Error: unresolved olink: </xsl:text>
+          <xsl:text>targetdoc/targetptr = '</xsl:text>
+          <xsl:value-of select="$targetdoc.att"/>
+          <xsl:text>/</xsl:text>
+          <xsl:value-of select="$targetptr.att"/>
+          <xsl:text>'.</xsl:text>
+        </xsl:message>
+      </xsl:if>
+
+      <xsl:variable name="href">
+        <xsl:call-template name="make.olink.href">
+          <xsl:with-param name="olink.key" select="$olink.key"/>
+          <xsl:with-param name="target.database" select="$target.database"/>
+        </xsl:call-template>
+      </xsl:variable>
+
+      <xsl:variable name="hottext">
+        <xsl:choose>
+          <xsl:when test="string-length($content) != 0">
+            <xsl:copy-of select="$content"/>
+          </xsl:when>
+          <xsl:otherwise>
+            <xsl:call-template name="olink.hottext">
+              <xsl:with-param name="olink.key" select="$olink.key"/>
+              <xsl:with-param name="olink.lang" select="$olink.lang"/>
+              <xsl:with-param name="target.database" select="$target.database"/>
+            </xsl:call-template>
+          </xsl:otherwise>
+        </xsl:choose>
+      </xsl:variable>
+
+      <xsl:variable name="olink.docname.citation">
+        <xsl:call-template name="olink.document.citation">
+          <xsl:with-param name="olink.key" select="$olink.key"/>
+          <xsl:with-param name="target.database" select="$target.database"/>
+          <xsl:with-param name="olink.lang" select="$olink.lang"/>
+        </xsl:call-template>
+      </xsl:variable>
+
+      <xsl:variable name="olink.page.citation">
+        <xsl:call-template name="olink.page.citation">
+          <xsl:with-param name="olink.key" select="$olink.key"/>
+          <xsl:with-param name="target.database" select="$target.database"/>
+          <xsl:with-param name="olink.lang" select="$olink.lang"/>
+        </xsl:call-template>
+      </xsl:variable>
+
+      <xsl:choose>
+        <xsl:when test="$href != ''">
+          <a href="{$href}">
+            <xsl:apply-templates select="." mode="common.html.attributes"/>
+            <xsl:call-template name="id.attribute"/>
+            <xsl:copy-of select="$hottext"/>
+          </a>
+          <xsl:copy-of select="$olink.page.citation"/>
+          <xsl:copy-of select="$olink.docname.citation"/>
+        </xsl:when>
+        <xsl:otherwise>
+          <span class="olink">
+            <xsl:call-template name="id.attribute"/>
+            <xsl:copy-of select="$hottext"/>
+          </span>
+          <xsl:copy-of select="$olink.page.citation"/>
+          <xsl:copy-of select="$olink.docname.citation"/>
+        </xsl:otherwise>
+      </xsl:choose>
+
+    </xsl:when>
+
+    <xsl:otherwise>
+      <xsl:choose>
+        <xsl:when test="@linkmode or @targetdocent or @localinfo">
+          <!-- old olink mechanism -->
+          <xsl:message>
+            <xsl:text>ERROR: olink using obsolete attributes </xsl:text>
+            <xsl:text>@linkmode, @targetdocent, @localinfo are </xsl:text>
+            <xsl:text>not supported.</xsl:text>
+          </xsl:message>
+        </xsl:when>
+        <xsl:otherwise>
+          <xsl:message>
+            <xsl:text>ERROR: olink is missing linking attributes.</xsl:text>
+          </xsl:message>
+        </xsl:otherwise>
+      </xsl:choose>
+    </xsl:otherwise>
+  </xsl:choose>
+</xsl:template>
+
+<xsl:template match="*" mode="pagenumber.markup">
+  <!-- no-op in HTML -->
+</xsl:template>
+
+<!-- ==================================================================== -->
+
+<xsl:template name="xref.xreflabel">
+  <!-- called to process an xreflabel...you might use this to make  -->
+  <!-- xreflabels come out in the right font for different targets, -->
+  <!-- for example. -->
+  <xsl:param name="target" select="."/>
+  <xsl:value-of select="$target/@xreflabel"/>
+</xsl:template>
+
+<!-- ==================================================================== -->
+
+<xsl:template match="title" mode="xref">
+  <xsl:apply-templates mode="no.anchor.mode"/>
+</xsl:template>
+
+<xsl:template match="command" mode="xref">
+  <xsl:call-template name="inline.boldseq"/>
+</xsl:template>
+
+<xsl:template match="function" mode="xref">
+  <xsl:call-template name="inline.monoseq"/>
+</xsl:template>
+
+<!-- ==================================================================== -->
+
+<xsl:template match="*" mode="insert.title.markup">
+  <xsl:param name="purpose"/>
+  <xsl:param name="xrefstyle"/>
+  <xsl:param name="title"/>
+
+  <xsl:choose>
+    <xsl:when test="$purpose = 'xref'">
+      <xsl:copy-of select="$title"/>
+    </xsl:when>
+    <xsl:otherwise>
+      <xsl:copy-of select="$title"/>
+    </xsl:otherwise>
+  </xsl:choose>
+</xsl:template>
+
+<xsl:template match="chapter|appendix" mode="insert.title.markup">
+  <xsl:param name="purpose"/>
+  <xsl:param name="xrefstyle"/>
+  <xsl:param name="title"/>
+
+  <xsl:choose>
+    <xsl:when test="$purpose = 'xref'">
+      <em xmlns:xslo="http://www.w3.org/1999/XSL/Transform">
+        <xsl:copy-of select="$title"/>
+      </em>
+    </xsl:when>
+    <xsl:otherwise>
+      <xsl:copy-of select="$title"/>
+    </xsl:otherwise>
+  </xsl:choose>
+</xsl:template>
+
+<xsl:template match="*" mode="insert.subtitle.markup">
+  <xsl:param name="purpose"/>
+  <xsl:param name="xrefstyle"/>
+  <xsl:param name="subtitle"/>
+
+  <xsl:copy-of select="$subtitle"/>
+</xsl:template>
+
+<xsl:template match="*" mode="insert.label.markup">
+  <xsl:param name="purpose"/>
+  <xsl:param name="xrefstyle"/>
+  <xsl:param name="label"/>
+
+  <xsl:copy-of select="$label"/>
+</xsl:template>
+
+<xsl:template match="*" mode="insert.pagenumber.markup">
+  <xsl:param name="purpose"/>
+  <xsl:param name="xrefstyle"/>
+  <xsl:param name="pagenumber"/>
+
+  <xsl:copy-of select="$pagenumber"/>
+</xsl:template>
+
+<xsl:template match="*" mode="insert.direction.markup">
+  <xsl:param name="purpose"/>
+  <xsl:param name="xrefstyle"/>
+  <xsl:param name="direction"/>
+
+  <xsl:copy-of select="$direction"/>
+</xsl:template>
+
+<xsl:template match="*" mode="insert.olink.docname.markup">
+  <xsl:param name="purpose"/>
+  <xsl:param name="xrefstyle"/>
+  <xsl:param name="docname"/>
+
+  <span class="olinkdocname">
+    <xsl:copy-of select="$docname"/>
+  </span>
+
+</xsl:template>
+
+</xsl:stylesheet>
-- 
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