diff --git a/docsrc/releasenotes.xml b/docsrc/releasenotes.xml
index 48a4a70..73ceeb7 100644
--- a/docsrc/releasenotes.xml
+++ b/docsrc/releasenotes.xml
@@ -1,7 +1,7 @@
 <?xml version='1.0'?>
 <!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN"
   "http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd">
-<book>
+<book id="relnotesb">
   <bookinfo>
     <title>OpenSP 1.5.2</title>
     <subtitle>Release Notes</subtitle>
@@ -16,7 +16,7 @@
     </copyright>
   </bookinfo>
 
-  <chapter><title>OpenSP 1.5.2 Release Notes</title>
+  <chapter id="relnotesc"><title>OpenSP 1.5.2 Release Notes</title>
 
     <para>The OpenJade project provides a suite of tools and libraries for
 validating, processing and applying DSSSL (Document Style Semantics and
@@ -29,7 +29,7 @@ as Jade.</para>
 can be used as a basis for either open source or commerical projects. The
 library can be built as either a dynamic or static library.
 </para>
-    <sect1><title>Applications of OpenSP</title>
+    <sect1 id="apps"><title>Applications of OpenSP</title>
       <para>The OpenSP library has been used in a number of projects. The
 World Wide Web consortium on-line HTML and XHTML validator is based on the
 OpenSP library. In addition to the OpenSP library a set of command line tools
@@ -41,7 +41,7 @@ SGML to XML to allow a library of SGML documents to be processed with XML
 tools.</para>
     </sect1>
 
-    <sect1><title>Obtaining OpenSP</title>
+    <sect1 id="obtaining"><title>Obtaining OpenSP</title>
       <para>OpenSP is a project hosted at sourceforge.net and is available
 from the OpenJade web site at http://openjade.sourceforge.net or directly from
 the OpenJade project page at http://sourceforge.net/projects/openjade</para>
@@ -49,7 +49,7 @@ the OpenJade project page at http://sourceforge.net/projects/openjade</para>
 linkend="bindist"/> for information on how to obtain pre-compiled
 binary packages.</para>
     </sect1>
-    <sect1><title>Supported Platforms</title>
+    <sect1 id="supported"><title>Supported Platforms</title>
       <para>OpenSP is intended to be as portable as possible. It should be
 possible to compile and build on most contemporary UNIX type platforms. In
 addition OpenSP should also build on Microsoft's Win32 based operating
@@ -166,7 +166,7 @@ i386 and ia64, Alpha AXP, Sparc, PPC and S/390.</para>
 <email>openjade-devel@lists.sourceforge.net</email>, including any
 diffs/patches you have used.</para>
     </sect1>
-    <sect1><title>Building OpenSP from Source</title>
+    <sect1 id="building"><title>Building OpenSP from Source</title>
       <para>OpenSP requires 20Mb to 50Mb of disk space to build. An
 installation will require around 10Mb to 20Mb depending on
 architecture.</para>
@@ -249,7 +249,7 @@ distributions as well as FreeBSD. Expect pre-compiled and packaged versions of
 the latest version of OpenSP to be available from your distributor in due
 course.</para>
     </sect1>
-    <sect1><title>Installation</title>
+    <sect1 id="installation"><title>Installation</title>
       <para>In addition to the OpenSP executables and libraries you will also
 need various DTDs and declaration files. Some DTDs and associated files
 (entity definitions) are available in the <filename>pubtext</filename>
@@ -263,7 +263,7 @@ versions may be available from other sources.</para>
 recommended that you set up and use such a catalog system.
 </para>
     </sect1>
-    <sect1><title>Support</title>
+    <sect1 id="support"><title>Support</title>
       <para>If, after reading the documentation, you still have a problem,
 then you may require some additional help. The OpenJade project is a volunteer
 effort and as such does not provide any formal support. Instead, you should
@@ -299,7 +299,7 @@ searchable. It is always worth searching for your problem first, as it is
 often the case that someone has had the same problem before.</para>
 
     </sect1>
-    <sect1><title>Version 1.5.2</title>
+    <sect1 id="v152"><title>Version 1.5.2</title>
       <formalpara><title>Released December 2005.</title>
 	<para>The release contains a number of enhancements together with
 support for version 4.0 of the GNU C++ compiler.</para>
@@ -418,7 +418,7 @@ Turkish translation.</para></entry>
       </table>
     </sect1>
 
-    <sect1><title>Version 1.5.1</title>
+    <sect1 id="v151"><title>Version 1.5.1</title>
       <formalpara><title>Released October 2003.</title>
 	<para>The release contains a number of new features together with
 support for version 3.3 for the GNU C++ compiler.</para>
@@ -613,7 +613,7 @@ compiler support</para></entry>
       </table>
     </sect1>
 
-    <sect1><title>Version 1.5</title>
+    <sect1 id="v15"><title>Version 1.5</title>
       <formalpara><title>Released November 2002.</title>
 	<para>In addition to many new features this version also supports the
 latest GNU C++ compiler: gcc 3.2 at the time of writing.</para>
@@ -976,7 +976,7 @@ characters and supports the full UTF-16 range 0x000000-0x10ffff</para></entry>
 	</tgroup>
       </table>
     </sect1>
-    <sect1>
+    <sect1 id="v14">
       <title>Version 1.4</title>
       <formalpara><title>Released February 2000</title>
 	<para>Version 1.4 added many improvements. Changes
@@ -1023,7 +1023,7 @@ manager.</para>
 	</listitem>
       </itemizedlist>
     </sect1>
-    <sect1><title>Version 1.3.4</title>
+    <sect1 id="v134"><title>Version 1.3.4</title>
       <formalpara><title>Released October 1999</title>
 	<para>The second release from the OpenJade project. This version was
 distributed as part of OpenJade 1.3</para>
@@ -1040,7 +1040,7 @@ Added the Entity classes to the public interface of the library/DLL.
 
       </itemizedlist>
     </sect1>
-    <sect1><title>Version 1.3.3</title>
+    <sect1 id="v133"><title>Version 1.3.3</title>
       <para>The first release from the OpenJade project</para>
     </sect1>
   </chapter>