Dave Kuhlman has contributed a nice improvement to the "Defining New Types"
section of the Extending & Embedding manual -- thanks!
diff --git a/Doc/ACKS b/Doc/ACKS
index 8eb67c1..703e9d0 100644
--- a/Doc/ACKS
+++ b/Doc/ACKS
@@ -95,6 +95,7 @@
 Peter A. Koren
 Daniel Kozan
 Andrew M. Kuchling
+Dave Kuhlman
 Erno Kuusela
 Detlef Lannert
 Piers Lauder