diff --git a/reference/hash/book.xml b/reference/hash/book.xml
new file mode 100644
index 0000000000..9cc9feef5b
--- /dev/null
+++ b/reference/hash/book.xml
@@ -0,0 +1,46 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- $Revision: 1.2 $ -->
+<!-- Purpose: mathcrypto.crypto -->
+<!-- Membership: bundled, pecl -->
+<!-- State: experimental -->
+ 
+<book xml:id="book.hash" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
+ <title>hash</title>
+ 
+ <!-- {{{ preface -->
+ <preface xml:id="intro.hash">
+  &reftitle.intro;
+  <para>
+   Message Digest (hash) engine.  Allows direct or incremental processing
+   of arbitrary length messages using a variety of hashing algorithms.
+  </para>
+ </preface>
+ <!-- }}} -->
+ 
+ &reference.hash.setup;
+ &reference.hash.constants;
+ &reference.hash.reference;
+
+</book>
+
+<!-- Keep this comment at the end of the file
+Local variables:
+mode: sgml
+sgml-omittag:t
+sgml-shorttag:t
+sgml-minimize-attributes:nil
+sgml-always-quote-attributes:t
+sgml-indent-step:1
+sgml-indent-data:t
+indent-tabs-mode:nil
+sgml-parent-document:nil
+sgml-default-dtd-file:"../../../manual.ced"
+sgml-exposed-tags:nil
+sgml-local-catalogs:nil
+sgml-local-ecat-files:nil
+End:
+vim600: syn=xml fen fdm=syntax fdl=2 si
+vim: et tw=78 syn=sgml
+vi: ts=1 sw=1
+-->
+
diff --git a/reference/hash/constants.xml b/reference/hash/constants.xml
index ca6bd691f0..7aa5c20d86 100644
--- a/reference/hash/constants.xml
+++ b/reference/hash/constants.xml
@@ -1,6 +1,6 @@
 <?xml version='1.0' encoding='iso-8859-1'?>
-<!-- $Revision: 1.2 $ -->
-<section xml:id="hash.constants" xmlns="http://docbook.org/ns/docbook">
+<!-- $Revision: 1.3 $ -->
+<appendix xml:id="hash.constants" xmlns="http://docbook.org/ns/docbook">
  &reftitle.constants;
  &extension.constants;
  <variablelist>
@@ -18,7 +18,7 @@
    </listitem>
   </varlistentry>
  </variablelist>
-</section>
+</appendix>
 
 <!-- Keep this comment at the end of the file
 Local variables:
diff --git a/reference/hash/reference.xml b/reference/hash/reference.xml
index 2c349a6f48..82f81f1d52 100644
--- a/reference/hash/reference.xml
+++ b/reference/hash/reference.xml
@@ -1,46 +1,10 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.7 $ -->
-<!-- Purpose: mathcrypto.crypto -->
-<!-- Membership: bundled, pecl -->
-<!-- State: experimental -->
+<!-- $Revision: 1.8 $ -->
+
 <reference xml:id="ref.hash" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
- <title>hash Functions</title>
+ <title>hash &Functions;</title>
  <titleabbrev>hash</titleabbrev>
 
- <partintro>
-
-  <section xml:id="hash.intro">
-   &reftitle.intro;
-   <para>
-    Message Digest (hash) engine.  Allows direct or incremental processing
-    of arbitrary length messages using a variety of hashing algorithms.
-   </para>
-  </section>
-
-  <section xml:id="hash.requirements">
-   &reftitle.required;
-   <simpara>
-    The Hash extension requires no external libraries and is enabled by
-    default as of PHP 5.1.2.  It may be explicitly disabled by using the
-    --disable-hash switch to configure.  Earlier versions of PHP may
-    incorporate the Hash extension by installing the
-    <link xlink:href="&url.pecl.package;hash">PECL module</link>.
-   </simpara>
-  </section>
-
-  <section xml:id="hash.resources">
-   &reftitle.resources;
-   <para>
-    This extension defines a Hashing Context resource returned by
-    <function>hash_init</function>.
-   </para>
-  </section>
-
-  <!-- Information found in constants.xml -->
-  &reference.hash.constants;
-
- </partintro>
-
  &reference.hash.entities.functions;
 
 </reference>
diff --git a/reference/hash/setup.xml b/reference/hash/setup.xml
new file mode 100644
index 0000000000..268c8b5970
--- /dev/null
+++ b/reference/hash/setup.xml
@@ -0,0 +1,66 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- $Revision: 1.2 $ -->
+
+<chapter xml:id="hash.setup" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
+ &reftitle.setup;
+
+ <!-- {{{ Requirements -->
+ <section xml:id="hash.requirements">
+  &reftitle.required;
+  <simpara>
+   The Hash extension requires no external libraries and is enabled by
+   default as of PHP 5.1.2.  It may be explicitly disabled by using the
+   --disable-hash switch to configure.  Earlier versions of PHP may
+   incorporate the Hash extension by installing the
+   <link xlink:href="&url.pecl.package;hash">PECL module</link>.
+  </simpara>
+ </section>
+ <!-- }}} -->
+
+ <!-- {{{ Installation -->
+ <section xml:id="hash.installation">
+  &reftitle.install;
+  &no.install;
+ </section>
+ <!-- }}} -->
+
+ <!-- {{{ Configuration -->
+ <section xml:id="hash.configuration">
+  &reftitle.runtime;
+  &no.config;
+ </section>
+ <!-- }}} -->
+
+ <!-- {{{ Resources -->
+ <section xml:id="hash.resources">
+  &reftitle.resources;
+  <para>
+   This extension defines a Hashing Context resource returned by
+   <function>hash_init</function>.
+  </para>
+ </section>
+ <!-- }}} -->
+
+</chapter>
+
+<!-- Keep this comment at the end of the file
+Local variables:
+mode: sgml
+sgml-omittag:t
+sgml-shorttag:t
+sgml-minimize-attributes:nil
+sgml-always-quote-attributes:t
+sgml-indent-step:1
+sgml-indent-data:t
+indent-tabs-mode:nil
+sgml-parent-document:nil
+sgml-default-dtd-file:"../../../manual.ced"
+sgml-exposed-tags:nil
+sgml-local-catalogs:nil
+sgml-local-ecat-files:nil
+End:
+vim600: syn=xml fen fdm=syntax fdl=2 si
+vim: et tw=78 syn=sgml
+vi: ts=1 sw=1
+-->
+