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diff --git a/3rdParty/DocBook/XSL/params/use.role.as.xrefstyle.xml b/3rdParty/DocBook/XSL/params/use.role.as.xrefstyle.xml
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+<refentry xmlns="http://docbook.org/ns/docbook"
+          xmlns:xlink="http://www.w3.org/1999/xlink"
+          xmlns:xi="http://www.w3.org/2001/XInclude"
+          xmlns:src="http://nwalsh.com/xmlns/litprog/fragment"
+          xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
+          version="5.0" xml:id="use.role.as.xrefstyle">
+<refmeta>
+<refentrytitle>use.role.as.xrefstyle</refentrytitle>
+<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
+</refmeta>
+<refnamediv>
+<refname>use.role.as.xrefstyle</refname>
+<refpurpose>Use <tag class="attribute">role</tag> attribute for
+<tag class="attribute">xrefstyle</tag> on <tag>xref</tag>?</refpurpose>
+</refnamediv>
+
+<refsynopsisdiv>
+<src:fragment xml:id="use.role.as.xrefstyle.frag">
+<xsl:param name="use.role.as.xrefstyle" select="1"/>
+</src:fragment>
+</refsynopsisdiv>
+
+<refsection><info><title>Description</title></info>
+
+<para>In DocBook documents that conform to a schema older than V4.3, this parameter allows 
+<tag class="attribute">role</tag> to serve the purpose of specifying the cross reference style.</para>
+
+<para>If non-zero, the <tag class="attribute">role</tag> attribute on
+<tag>xref</tag> will be used to select the cross reference style.
+In DocBook V4.3, the <tag class="attribute">xrefstyle</tag> attribute was added for this purpose.
+If the <tag class="attribute">xrefstyle</tag> attribute is present, 
+<tag class="attribute">role</tag> will be ignored, regardless of the setting
+of this parameter.</para>
+
+</refsection>
+
+<refsection><info><title>Example</title></info>
+
+<para>The following small stylesheet shows how to configure the
+stylesheets to make use of the cross reference style:</para>
+
+<programlisting>&lt;?xml version="1.0"?&gt;
+&lt;xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
+                version="1.0"&gt;
+
+&lt;xsl:import href="../xsl/html/docbook.xsl"/&gt;
+
+&lt;xsl:output method="html"/&gt;
+
+&lt;xsl:param name="local.l10n.xml" select="document('')"/&gt;
+&lt;l:i18n xmlns:l="http://docbook.sourceforge.net/xmlns/l10n/1.0"&gt;
+  &lt;l:l10n xmlns:l="http://docbook.sourceforge.net/xmlns/l10n/1.0" language="en"&gt;
+   &lt;l:context name="xref"&gt;
+      &lt;l:template name="chapter" style="title" text="Chapter %n, %t"/&gt;
+      &lt;l:template name="chapter" text="Chapter %n"/&gt;
+    &lt;/l:context&gt;
+  &lt;/l:l10n&gt;
+&lt;/l:i18n&gt;
+
+&lt;/xsl:stylesheet&gt;</programlisting>
+
+<para>With this stylesheet, the cross references in the following document:</para>
+
+<programlisting>&lt;?xml version="1.0" encoding="utf-8"?&gt;
+&lt;!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
+                  "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd"&gt;
+&lt;book id="book"&gt;&lt;title&gt;Book&lt;/title&gt;
+
+&lt;preface&gt;
+&lt;title&gt;Preface&lt;/title&gt;
+
+&lt;para&gt;Normal: &lt;xref linkend="ch1"/&gt;.&lt;/para&gt;
+&lt;para&gt;Title: &lt;xref xrefstyle="title" linkend="ch1"/&gt;.&lt;/para&gt;
+
+&lt;/preface&gt;
+
+&lt;chapter id="ch1"&gt;
+&lt;title&gt;First Chapter&lt;/title&gt;
+
+&lt;para&gt;Irrelevant.&lt;/para&gt;
+
+&lt;/chapter&gt;
+&lt;/book&gt;</programlisting>
+
+<para>will appear as:</para>
+
+<informalexample>
+<para>Normal: Chapter 1.</para>
+<para>Title: Chapter 1, <emphasis>First Chapter</emphasis>.</para>
+</informalexample>
+</refsection>
+
+</refentry>