--- a/src/elab_print.sml	Thu Aug 14 15:27:35 2008 -0400
+++ b/src/elab_print.sml	Thu Aug 14 18:35:08 2008 -0400
@@ -49,6 +49,9 @@
       | KName => string "Name"
       | KRecord k => box [string "{", p_kind k, string "}"]
       | KUnit => string "Unit"
+      | KTuple ks => box [string "(",
+                          p_list_sep (box [space, string "*", space]) p_kind ks,
+                          string ")"]
 
       | KError => string "<ERROR>"
       | KUnif (_, _, ref (SOME k)) => p_kind' par k
@@ -177,6 +180,13 @@
 
       | CUnit => string "()"
 
+      | CTuple cs => box [string "(",
+                          p_list (p_con env) cs,
+                          string ")"]
+      | CProj (c, n) => box [p_con env c,
+                             string ".",
+                             string (Int.toString n)]
+
       | CError => string "<ERROR>"
       | CUnif (_, _, _, ref (SOME c)) => p_con' par env c
       | CUnif (_, k, s, _) => box [string ("<UNIF:" ^ s ^ "::"),