Issue #7689: Allow pickling of dynamically created classes when their
metaclass is registered with copyreg.  Patch by Nicolas M. ThiƩry and
Craig Citro.
diff --git a/Misc/ACKS b/Misc/ACKS
index 5fd0bfa..a807956 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -147,6 +147,7 @@
 Tom Christiansen
 Vadim Chugunov
 David Cinege
+Craig Citro
 Mike Clarkson
 Andrew Clegg
 Brad Clements
@@ -817,6 +818,7 @@
 Mikhail Terekhov
 Richard M. Tew
 Tobias Thelen
+Nicolas M. Thiéry
 James Thomas
 Robin Thomas
 Stephen Thorne