# HG changeset patch
# User Julien Cristau <julien.cristau@logilab.fr>
# Date 1406643969 -7200
# Node ID 5dbf45204109fb2efc57687f15abbaff07fbd156
# Parent  d1adf549d5cb9e29dfd3e5a85f087bee11fb80cf
[web/headers] don't list a request header twice in "Vary"

diff -r d1adf549d5cb -r 5dbf45204109 web/http_headers.py
--- a/web/http_headers.py	Mon Jul 28 17:22:49 2014 +0200
+++ b/web/http_headers.py	Tue Jul 29 16:26:09 2014 +0200
@@ -1561,7 +1561,7 @@
     'Server': (unique, str, singleHeader),
     'Set-Cookie': (generateSetCookie,),
     'Set-Cookie2': (generateSetCookie2,),
-    'Vary': (generateList, singleHeader),
+    'Vary': (set, generateList, singleHeader),
     'WWW-Authenticate': (generateWWWAuthenticate,)
 }