merge 3.2
diff --git a/Misc/ACKS b/Misc/ACKS
index f943594..b2e709a 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -933,6 +933,7 @@
 Denis Severson
 Ian Seyer
 Ha Shao
+Mark Shannon
 Richard Shapiro
 Bruce Sherwood
 Alexander Shigin