--- parser3/src/include/Attic/pa_vunknown.h	2001/03/08 16:54:26	1.5
+++ parser3/src/include/Attic/pa_vunknown.h	2001/03/10 11:44:32	1.8
@@ -1,22 +1,21 @@
 /*
-  $Id: pa_vunknown.h,v 1.5 2001/03/08 16:54:26 paf Exp $
+  $Id: pa_vunknown.h,v 1.8 2001/03/10 11:44:32 paf Exp $
 */
 
 #ifndef PA_VUNKNOWN_H
 #define PA_VUNKNOWN_H
 
 #include "pa_value.h"
+#include "core.h"
 
 class VUnknown : public Value {
 public: // Value
 
 	// all: for error reporting after fail(), etc
 	const char *type() const { return "unknown"; }
-	// clone
-	Value *clone() { return NEW VUnknown(pool()); };
 
 	// unknown: ""
-	String *get_string() { return ∅ }
+	const String *get_string() { return empty_string; }
 	// unknown: false
 	bool get_defined() { return false; }
 	// unknown: false
@@ -24,13 +23,9 @@ public: // Value
 
 public: // usage
 
-	VUnknown(Pool& apool) : Value(apool),
-		empty(apool) {
+	VUnknown(Pool& apool) : Value(apool) {
 	}
 
-private:
-	String empty;
-
 };
 
 #endif