diff --git a/reference/sdodasrel/reference.xml b/reference/sdodasrel/reference.xml
index 0253e571ae..c3fefef713 100644
--- a/reference/sdodasrel/reference.xml
+++ b/reference/sdodasrel/reference.xml
@@ -1,5 +1,5 @@
 <?xml version='1.0' encoding='iso-8859-1'?>
-<!-- $Revision: 1.7 $ -->
+<!-- $Revision: 1.8 $ -->
 <!-- Generated by xml_proto.php v2.1. Found in /scripts directory of phpdoc. -->
 <reference id="ref.sdo.das.rel">
  <title>SDO Relational Data Access Service Functions</title>
@@ -137,7 +137,9 @@
     with a statement like this:
     <programlisting role="php">
 <![CDATA[
+<?php
 require_once 'SDO/DAS/Relational.php';
+?>
 ]]>
     </programlisting>
    </para>
@@ -339,6 +341,7 @@ require_once 'SDO/DAS/Relational.php';
 
      <programlisting role="php">
 <![CDATA[
+<?php
 /*****************************************************************
 * METADATA DEFINING THE DATABASE
 ******************************************************************/
@@ -370,6 +373,7 @@ $employee_table = array (
         )
     );
 $database_metadata = array($company_table, $department_table, $employee_table);
+?>
 ]]>
      </programlisting>
 
@@ -550,10 +554,12 @@ $database_metadata = array($company_table, $department_table, $employee_table);
      </para>
      <programlisting role="php">
 <![CDATA[
+<?php
 $department_reference = array( 'parent' => 'company', 'child' => 'department');
 $employee_reference = array( 'parent' => 'department', 'child' => 'employee');
 
 $SDO_reference_metadata = array($department_reference, $employee_reference);           
+?>
 ]]>
      </programlisting>
 
@@ -1046,13 +1052,17 @@ $das -> applyChanges($dbh, $root);
        root object. You must use:
        <programlisting role="php" id="sdo.das.rel.examples.1cd-CRUD.good-delete">
 <![CDATA[
+<?php
 unset($root['company'][0]);
+?>
 ]]>
        </programlisting>
        and not:
        <programlisting role="php" id="sdo.das.rel.examples.1cd-CRUD.bad-delete">
 <![CDATA[
+<?php
 unset($acme); //WRONG
+?>
 ]]>
        </programlisting>
        Simply unsetting