Since SimpleXML only output UTF, we say that the XML is UTF-8.

lib/Doctrine/Lib.php

@@ -88,7 +88,8 @@ class Doctrine_Lib
         $collectionName = Doctrine_Lib::plurelize($collection->getTable()->name);
 
         if ( ! isset($incomming_xml)) {
-            $xml = new SimpleXMLElement("<" . $collectionName . "></" . $collectionName . ">");
+						$new_xml_string = "<?xml version=\"1.0\" encoding=\"UTF-8\" ?><" . $recordname . "></" . $recordname . ">";
+            $xml = new SimpleXMLElement($new_xml_string);
         } else {
             $xml = $incomming_xml->addChild($collectionName);
         }
@@ -121,7 +122,8 @@ class Doctrine_Lib
     {
         $recordname = $record->getTable()->name;
         if (!isset($incomming_xml)) {
-            $xml = new SimpleXMLElement("<" . $recordname . "></" . $recordname . ">");
+						$new_xml_string = "<?xml version=\"1.0\" encoding=\"UTF-8\" ?><" . $collection_name . "></" . $collection_name . ">";
+            $xml = new SimpleXMLElement($new_xml_string);
         }else{
             $xml = $incomming_xml->addChild($recordname);
         }