added with-statement extension.

--HG--
branch : trunk
diff --git a/CHANGES b/CHANGES
index d915c2f..1b6f7d6 100644
--- a/CHANGES
+++ b/CHANGES
@@ -19,6 +19,7 @@
   This change makes ``{% if %}...{% endif %}`` a syntax error
   now. (#364)
 - added support for translator comments if extracted via babel.
+- added with-statement extension.
 
 Version 2.2.1
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