- Added private method _replaceKeys to controller system/Messages.php

- Fixed replacement of keys in the message vars array

application/libraries/MessageLib.php

@@ -750,15 +750,7 @@ class MessageLib
 	 */
 	public function parseMessageText($text, $data = array())
 	{
-		$tmpData = array();
-
-		// Replaces data array keys to a lowercase without spaces string
-		foreach ($data as $key => $val)
-		{
-			$tmpData[str_replace(' ', '_', strtolower($key))] = $data[$key];
-		}
-
-		return $this->_ci->parser->parse_string($text, $tmpData, true);
+		return $this->_ci->parser->parse_string($text, $data, true);
 	}
 
 	/**