Issue #12540: Prevent zombie IDLE processes on Windows due to changes
in os.kill().  Original patch by Eli Bendersky.
diff --git a/Misc/NEWS b/Misc/NEWS
index abfa83c..dcdda84 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -41,6 +41,9 @@
 Library
 -------
 
+- Issue #12540: Prevent zombie IDLE processes on Windows due to changes
+  in os.kill().
+
 - Issue #12683: urlparse updated to include svn as schemes that uses relative
   paths. (svn from 1.5 onwards support relative path).