Partial py3k-ification of Doc/library/: convert has_key references into either 'k in d' or __contains__; normalize raise statements; convert print statements into print function calls.
diff --git a/Doc/library/xdrlib.rst b/Doc/library/xdrlib.rst
index 6339a7f..e9d9367 100644
--- a/Doc/library/xdrlib.rst
+++ b/Doc/library/xdrlib.rst
@@ -272,5 +272,5 @@
    try:
        p.pack_double(8.01)
    except xdrlib.ConversionError as instance:
-       print 'packing the double failed:', instance.msg
+       print('packing the double failed:', instance.msg)