<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.hhk"> <refmeta> <refentrytitle>htmlhelp.hhk</refentrytitle> <refmiscinfo class="other" otherclass="datatype">string</refmiscinfo> </refmeta> <refnamediv> <refname>htmlhelp.hhk</refname> <refpurpose>Filename of index file.</refpurpose> </refnamediv> <refsynopsisdiv> <src:fragment xml:id="htmlhelp.hhk.frag"> <xsl:param name="htmlhelp.hhk">index.hhk</xsl:param> </src:fragment> </refsynopsisdiv> <refsection><info><title>Description</title></info> <para>set the name of the index file. The default is <filename>index.hhk</filename>.</para> </refsection> </refentry>