diff --git a/reference/xsl/constants.xml b/reference/xsl/constants.xml
new file mode 100644
index 0000000000..b9fcc32a10
--- /dev/null
+++ b/reference/xsl/constants.xml
@@ -0,0 +1,59 @@
+<?xml version="1.0" encoding="iso-8859-1"?>
+<!-- $Revision: 1.1 $ -->
+<section id="xsl.constants">
+ &reftitle.constants;
+ &extension.constants;
+ <variablelist>
+  <varlistentry>
+   <term>
+    <constant>XSL_CLONE_AUTO</constant>
+    (<type>integer</type>)
+   </term>
+   <listitem>
+    <simpara>
+    </simpara>
+   </listitem>
+  </varlistentry>
+  <varlistentry>
+   <term>
+    <constant>XSL_CLONE_NEVER</constant>
+    (<type>integer</type>)
+   </term>
+   <listitem>
+    <simpara>
+    </simpara>
+   </listitem>
+  </varlistentry>
+  <varlistentry>
+   <term>
+    <constant>XSL_CLONE_ALWAYS</constant>
+    (<type>integer</type>)
+   </term>
+   <listitem>
+    <simpara>
+    </simpara>
+   </listitem>
+  </varlistentry>
+ </variablelist>
+</section>
+
+<!-- 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/xsl/functions/xsl-xsltprocessor-has-exslt-support.xml b/reference/xsl/functions/xsl-xsltprocessor-has-exslt-support.xml
index 09956ca204..52b294e694 100644
--- a/reference/xsl/functions/xsl-xsltprocessor-has-exslt-support.xml
+++ b/reference/xsl/functions/xsl-xsltprocessor-has-exslt-support.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.1 $ -->
+<!-- $Revision: 1.2 $ -->
   <refentry id="function.xsl-xsltprocessor-has-exslt-support">
    <refnamediv>
     <refname>xsl_xsltprocessor_has_exslt_support</refname>
@@ -27,7 +27,25 @@
      if PHP was built with the <ulink url="&url.exsltlib;">EXSLT library
      </ulink>, &false; otherwise.
     </para>
+    <para>
+     <example>
+      <title><function>xsl_xsltprocessor_has_exslt_support</function> Example</title>
+      <programlisting role="php">
+<![CDATA[
+<?php
 
+$proc = new xsltprocessor;
+if (!$proc->hasExsltSupport()) {
+    die('EXSLT support not available');
+}
+
+// do EXSLT stuff here ..
+
+?>
+]]>       
+      </programlisting>
+     </example>
+    </para>
    </refsect1>
   </refentry>
 
diff --git a/reference/xsl/reference.xml b/reference/xsl/reference.xml
index 17ec7e4f29..b04656d489 100644
--- a/reference/xsl/reference.xml
+++ b/reference/xsl/reference.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.5 $ -->
+<!-- $Revision: 1.6 $ -->
  <reference id="ref.xsl">
   <title>XSL functions</title>
   <titleabbrev>XSL</titleabbrev>
@@ -118,6 +118,9 @@ Hey! Welcome to my sweet CD collection!
      </example>
     </para>
    </section>
+      
+   &reference.xsl.constants;
+      
   </partintro>
 
  &reference.xsl.functions;