diff -r 2251fb41dbc7 -r 1e110b03ae96 web/lib/Zend/Validate/Abstract.php
--- a/web/lib/Zend/Validate/Abstract.php	Sun Apr 21 10:07:03 2013 +0200
+++ b/web/lib/Zend/Validate/Abstract.php	Sun Apr 21 21:54:24 2013 +0200
@@ -14,9 +14,9 @@
  *
  * @category   Zend
  * @package    Zend_Validate
- * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @copyright  Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
- * @version    $Id: Abstract.php 22472 2010-06-20 07:36:16Z thomas $
+ * @version    $Id: Abstract.php 25105 2012-11-07 20:33:22Z rob $
  */
 
 /**
@@ -27,7 +27,7 @@
 /**
  * @category   Zend
  * @package    Zend_Validate
- * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @copyright  Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  */
 abstract class Zend_Validate_Abstract implements Zend_Validate_Interface
@@ -230,16 +230,20 @@
                 $value = $value->__toString();
             }
         } else {
-            $value = (string)$value;
+            $value = implode((array) $value);
         }
 
         if ($this->getObscureValue()) {
             $value = str_repeat('*', strlen($value));
         }
 
-        $message = str_replace('%value%', (string) $value, $message);
+        $message = str_replace('%value%', $value, $message);
         foreach ($this->_messageVariables as $ident => $property) {
-            $message = str_replace("%$ident%", (string) $this->$property, $message);
+            $message = str_replace(
+                "%$ident%",
+                implode(' ', (array) $this->$property),
+                $message
+            );
         }
 
         $length = self::getMessageLength();