+<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="man.th.extra2.suppress">
+<refmeta>
+<refentrytitle>man.th.extra2.suppress</refentrytitle>
+<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
+</refmeta>
+<refnamediv>
+<refname>man.th.extra2.suppress</refname>
+<refpurpose>Suppress extra2 part of header/footer?</refpurpose>
+</refnamediv>
+
+<refsynopsisdiv>
+<src:fragment xml:id="man.th.extra2.suppress.frag">
+<xsl:param name="man.th.extra2.suppress">0</xsl:param></src:fragment>
+</refsynopsisdiv>
+
+<refsection><info><title>Description</title></info>
+
+<para>If the value of <parameter>man.th.extra2.suppress</parameter> is
+non-zero, then the <literal>extra2</literal> part of the
+<literal>.TH</literal> title line header/footer is suppressed.</para>
+
+<para>The content of the <literal>extra2</literal> field is usually
+displayed in the left footer of the page and is typically "source"
+data, often in the form
+<replaceable>Name</replaceable> <replaceable>Version</replaceable>;
+for example, "GTK+ 1.2" (from the <literal>gtk-options(7)</literal>
+man page).</para>
+
+<note>
+ <para>You can use the
+ <parameter>refentry.source.name.suppress</parameter> and
+ <parameter>refentry.version.suppress</parameter> parameters to
+ independently suppress the <replaceable>Name</replaceable> and
+ <replaceable>Version</replaceable> parts of the
+ <literal>extra2</literal> field.</para>
+</note>
+
+</refsection>
+</refentry>