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[hcoop/domtool2.git] / src / tycheck.sig

diff --git a/src/tycheck.sig b/src/tycheck.sig
index 6ef31a5..22b44c7 100644 (file)
--- a/src/tycheck.sig
+++ b/src/tycheck.sig
@@ -33,4 +33,6 @@ signature TYCHECK = sig
     val resetUnif : unit -> unit
     val newUnif : unit -> Ast.typ'
 
+    val preface : string * Print.PD.pp_desc -> unit
+
 end