Issue #7534:  Fix handling of nans, infinities, and negative zero in **
operator, on IEEE 754 platforms.  Thanks Marcos Donolo for original patch.
diff --git a/Misc/NEWS b/Misc/NEWS
index 627ba07..3098505 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -12,6 +12,10 @@
 Core and Builtins
 -----------------
 
+- Issue #7534: Fix handling of IEEE specials (infinities, nans,
+  negative zero) in ** operator.  The behaviour now conforms to that
+  described in C99 Annex F.
+
 - Issue #7579: the msvcrt module now has docstrings for all its functions.
 
 - Issue #7413: Passing '\0' as the separator to datetime.datetime.isoformat()