Index: location.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/location/location.module,v
retrieving revision 1.222.2.38
diff -u -p -r1.222.2.38 location.module
--- location.module	13 Jun 2010 09:12:32 -0000	1.222.2.38
+++ location.module	3 Jul 2010 01:09:16 -0000
@@ -396,6 +396,11 @@ function _location_expand_location($elem
   }
 
   $element += _element_info('fieldset');
+
+  foreach(module_implements('location_element_alter') as $module) {
+    $function = $module . '_location_element_alter';
+    $function($element);
+  }
   return $element;
 }