diff -r 41ec579e27c4 -r 707466abe9cc doc/book/en/images/request_session.svg
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/doc/book/en/images/request_session.svg	Tue Jan 17 14:05:04 2012 +0100
@@ -0,0 +1,206 @@
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