Undefineds now support attribute errors for special attributes. This fixes #6
diff --git a/CHANGES b/CHANGES
index 182f0b0..17a805b 100644
--- a/CHANGES
+++ b/CHANGES
@@ -5,6 +5,10 @@
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(codename to be selected, release date to be announced)
+- internal attributes now raise an internal attribute error now instead
+ of returning an undefined. This fixes problems when passing undefined
+ objects to Python semantics expecting APIs.
+
Version 2.5.5
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(re-release of 2.5.4 with built documentation removed for filesize.