+<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="refentry.xref.manvolnum">
+<refmeta>
+<refentrytitle>refentry.xref.manvolnum</refentrytitle>
+<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
+</refmeta>
+<refnamediv>
+<refname>refentry.xref.manvolnum</refname>
+<refpurpose>Output <tag>manvolnum</tag> as part of
+<tag>refentry</tag> cross-reference?</refpurpose>
+</refnamediv>
+
+<refsynopsisdiv>
+<src:fragment xml:id="refentry.xref.manvolnum.frag">
+<xsl:param name="refentry.xref.manvolnum" select="1"/>
+</src:fragment>
+</refsynopsisdiv>
+
+<refsection><info><title>Description</title></info>
+
+<para>if non-zero, the <tag>manvolnum</tag> is used when cross-referencing
+<tag>refentry</tag>s, either with <tag>xref</tag>
+or <tag>citerefentry</tag>.
+</para>
+
+</refsection>
+</refentry>