--- a/src/expl.sml	Sun Feb 22 16:10:25 2009 -0500
+++ b/src/expl.sml	Sun Feb 22 16:32:56 2009 -0500
@@ -37,6 +37,9 @@
        | KTuple of kind list
        | KRecord of kind
 
+       | KRel of int
+       | KFun of string * kind
+
 withtype kind = kind' located
 
 datatype con' =
@@ -50,6 +53,10 @@
        | CApp of con * con
        | CAbs of string * kind * con
 
+       | CKAbs of string * con
+       | CKApp of con * kind
+       | TKFun of string * con
+
        | CName of string
 
        | CRecord of kind * (con * con) list
@@ -88,6 +95,9 @@
        | ECApp of exp * con
        | ECAbs of string * kind * exp
 
+       | EKAbs of string * exp
+       | EKApp of exp * kind
+
        | ERecord of (con * exp * con) list
        | EField of exp * con * { field : con, rest : con }
        | EConcat of exp * con * exp * con