Index: includes/bootstrap.inc
===================================================================
RCS file: /cvs/drupal/drupal/includes/bootstrap.inc,v
retrieving revision 1.31
diff -U3 -r1.31 bootstrap.inc
--- includes/bootstrap.inc  12 Oct 2004 19:50:12 -0000  1.31
+++ includes/bootstrap.inc  16 Oct 2004 21:14:17 -0000
@@ -231,6 +231,8 @@
     timer_start();
   }

+  header('Cache-Control: no-store, no-cache, must-revalidate');
+
   if (variable_get('cache', 0)) {
     if ($cache = page_get_cache()) {

@@ -382,7 +384,7 @@
       $uri = $_SERVER['PHP_SELF'] .'?'. $_SERVER['QUERY_STRING'];
     }
   }
-
+
   return check_url($uri);
 }