bpo-23894: add Misc/NEWS entry. (#2255)

ned-deily · web-flow · commit b7c59f0d05bd · 2017-06-16T22:30:50.000-04:00
diff --git a/Misc/NEWS b/Misc/NEWS
@@ -57,6 +57,8 @@ Core and Builtins
 Library
 -------
 
+- bpo-23894: lib2to3 now recognizes ``rb'...'`` and ``f'...'`` strings.
+
 - bpo-23890: unittest.TestCase.assertRaises() now manually breaks a reference
   cycle to not keep objects alive longer than expected.
 
