--- /dev/null
+<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="chunker.output.doctype-system">
+<refmeta>
+<refentrytitle>chunker.output.doctype-system</refentrytitle>
+<refmiscinfo class="other" otherclass="datatype">uri</refmiscinfo>
+</refmeta>
+<refnamediv>
+<refname>chunker.output.doctype-system</refname>
+<refpurpose>System identifier to use for the document type in generated pages</refpurpose>
+</refnamediv>
+<refsynopsisdiv>
+<src:fragment xml:id="chunker.output.doctype-system.frag">
+<xsl:param name="chunker.output.doctype-system"></xsl:param>
+</src:fragment>
+</refsynopsisdiv>
+<refsection><info><title>Description</title></info>
+<para>This parameter specifies the system identifier that should be used by
+the chunking stylesheet in the document type declaration of chunked pages.
+Not all processors support specification of
+this parameter.
+</para>
+<note>
+<para>This parameter is documented here, but the declaration is actually
+in the <filename>chunker.xsl</filename> stylesheet module.</para>
+</note>
+</refsection>
+</refentry>