--- ../trac.old/File.py	Mon Feb 21 09:59:58 2005
+++ File.py	Fri Apr  8 18:51:57 2005
@@ -76,6 +76,7 @@
         self.req.send_header('Last-Modified', self.last_modified)
         self.req.send_header('Pragma', 'no-cache')
         self.req.send_header('Expires', 'Mon, 26 Jul 1997 05:00:00 GMT')
+        self.req.send_header('Cache-Control', 'no-store')
         self.req.end_headers()
         i = 0
         while 1: