<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="htmlhelp.default.topic"> <refmeta> <refentrytitle>htmlhelp.default.topic</refentrytitle> <refmiscinfo class="other" otherclass="datatype">string</refmiscinfo> </refmeta> <refnamediv> <refname>htmlhelp.default.topic</refname> <refpurpose>Name of file with default topic</refpurpose> </refnamediv> <refsynopsisdiv> <src:fragment xml:id="htmlhelp.default.topic.frag"> <xsl:param name="htmlhelp.default.topic"></xsl:param> </src:fragment> </refsynopsisdiv> <refsection><info><title>Description</title></info> <para>Normally first chunk of document is displayed when you open HTML Help file. If you want to display another topic, simply set its filename by this parameter.</para> <para>This is useful especially if you don't generate ToC in front of your document and you also hide root element in ToC. E.g.:</para> <programlisting><xsl:param name="generate.book.toc" select="0"/> <xsl:param name="htmlhelp.hhc.show.root" select="0"/> <xsl:param name="htmlhelp.default.topic">pr01.html</xsl:param> </programlisting> </refsection> </refentry>