<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="graphic.default.extension"> <refmeta> <refentrytitle>graphic.default.extension</refentrytitle> <refmiscinfo class="other" otherclass="datatype">string</refmiscinfo> </refmeta> <refnamediv> <refname>graphic.default.extension</refname> <refpurpose>Default extension for graphic filenames</refpurpose> </refnamediv> <refsynopsisdiv> <src:fragment xml:id="graphic.default.extension.frag"><xsl:param name="graphic.default.extension"/></src:fragment> </refsynopsisdiv> <refsection><info><title>Description</title></info> <para>If a <tag>graphic</tag> or <tag>mediaobject</tag> includes a reference to a filename that does not include an extension, and the <tag class="attribute">format</tag> attribute is <emphasis>unspecified</emphasis>, the default extension will be used. </para> </refsection> </refentry>