<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="marker.section.level"> <refmeta> <refentrytitle>marker.section.level</refentrytitle> <refmiscinfo class="other" otherclass="datatype">integer</refmiscinfo> </refmeta> <refnamediv> <refname>marker.section.level</refname> <refpurpose>Control depth of sections shown in running headers or footers</refpurpose> </refnamediv> <refsynopsisdiv> <src:fragment xml:id="marker.section.level.frag"> <xsl:param name="marker.section.level" >2</xsl:param> </src:fragment> </refsynopsisdiv> <refsection><info><title>Description</title></info> <para>The <parameter>marker.section.level</parameter> parameter controls the depth of section levels that may be displayed in running headers and footers. For example, if the value is 2 (the default), then titles from <tag>sect1</tag> and <tag>sect2</tag> or equivalent <tag>section</tag> elements are candidates for use in running headers and footers. </para> <para>Each candidate title is marked in the FO output with a <tag><fo:marker marker-class-name="section.head.marker"></tag> element. </para> <para>In order for such titles to appear in headers or footers, the <literal>header.content</literal> or <literal>footer.content</literal> template must be customized to retrieve the marker using an output element such as: </para> <programlisting> <fo:retrieve-marker retrieve-class-name="section.head.marker" retrieve-position="first-including-carryover" retrieve-boundary="page-sequence"/> </programlisting> </refsection> </refentry>