[experimental-ims] 0b3ec32 Update to 3.0 syntax

[Geoff Simmons]

commit 0b3ec32c049af7102c6d8dfbb38e1fcd06f300a9
Author: Andreas Plesner Jacobsen <apj at mutt.dk>
Date:   Mon Oct 24 22:38:48 2011 +0200

    Update to 3.0 syntax

diff --git a/doc/sphinx/tutorial/purging.rst b/doc/sphinx/tutorial/purging.rst
index e5da595..cea1ccd 100644
--- a/doc/sphinx/tutorial/purging.rst
+++ b/doc/sphinx/tutorial/purging.rst
@@ -134,7 +134,7 @@ object is not available in the ban lurker thread.
 You can use the following template to write ban lurker friendly bans::
 
   sub vcl_fetch {
-    set obj.http.x-url = req.url;
+    set beresp.http.x-url = req.url;
   }
 
   sub vcl_deliver {