News and attribution for SF bug #473009.
diff --git a/Misc/ACKS b/Misc/ACKS
index 022ec1a..d893297 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -80,6 +80,7 @@
 Albert Chin-A-Young
 Tom Christiansen
 Vadim Chugunov
+David Cinege
 Mike Clarkson
 Steve Clift
 Josh Cogliati
diff --git a/Misc/NEWS b/Misc/NEWS
index 9711905..0dfb969 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -41,6 +41,9 @@
 - Various bugfixes to the curses module.  There is now a test suite
   for the curses module (you have to run it manually).
 
+- binascii.b2a_base64 no longer places an arbitrary restriction of 57
+  bytes on its input.
+
 Library
 
 - Traceback objects are now scanned by cyclic garbage collection, so