Index: Ini.php
===================================================================
--- Ini.php	(revision 1187)
+++ Ini.php	(working copy)
@@ -73,12 +73,31 @@
             throw new Zend_Config_Exception('Section is not set');
         }
 
-        $iniArray = parse_ini_file($filename, true);
-        if (!isset($iniArray[$section])) {
-            throw new Zend_Config_Exception("Section '$section' cannot be found in $filename");
-        }
-
-        parent::__construct($this->_processExtends($iniArray, $section), $allowModifications);
+        $iniArray = parse_ini_file($filename, true);
+        $preProcessedArray = array();
+        foreach($iniArray as $key=>$data)
+        {
+            $bits = explode(':', $key);
+            $numberOfBits = count($bits);
+            $thisSection = trim($bits[0]);
+            switch (count($bits)) {
+                case 1:
+                    $preProcessedArray[$thisSection] = $data;
+                    break;
+                case 2:
+                    $extendedSection = trim($bits[1]);
+                    $preProcessedArray[$thisSection] = array_merge(array('extends'=>$extendedSection), $data);
+                    break;
+                    
+                default:
+                    throw new Zend_Config_Exception("Section '$thisSection' cannot be extended more than once in $filename");
+            }
+        }
+        if (!isset($preProcessedArray[$section])) {
+            throw new Zend_Config_Exception("Section '$section' cannot be found in $filename");
+        }
+        
+        parent::__construct($this->_processExtends($preProcessedArray, $section), $allowModifications);
     }
 
     /**