Issue #15882: Change _decimal to accept any coefficient tuple when
constructing infinities. This is done for backwards compatibility
with decimal.py: Infinity coefficients are undefined in _decimal
(in accordance with the specification).
diff --git a/Misc/NEWS b/Misc/NEWS
index 9a301c3..bed62b6 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -17,6 +17,10 @@
 Library
 -------
 
+- Issue #15882: Change _decimal to accept any coefficient tuple when
+  constructing infinities. This is done for backwards compatibility
+  with decimal.py: Infinity coefficients are undefined in _decimal
+  (in accordance with the specification).
 
 What's New in Python 3.3.0 Release Candidate 2?
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