Issue 4790:  Eliminate unnecessary work from heapq's nlargest() and nsmallest()
functions for the common case where no key function is specified.
diff --git a/Misc/NEWS b/Misc/NEWS
index 885bbb2..9bdd262 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -44,6 +44,9 @@
 Library
 -------
 
+- Issue 4790: The nsmallest() and nlargest() functions in the heapq module
+  did unnecessary work in the common case where no key function was specified.
+
 - Issue #3767: Convert Tk object to string in tkColorChooser.
 
 - Issue #3248: Allow placing ScrolledText in a PanedWindow.