Index: generic/nsf.h
===================================================================
diff -u -r2ba521e3dfbb1294908b51ed8e13dab5adc3ca03 -r24724ebae83af4e0104b349a2fb582bfc71a7475
--- generic/nsf.h	(.../nsf.h)	(revision 2ba521e3dfbb1294908b51ed8e13dab5adc3ca03)
+++ generic/nsf.h	(.../nsf.h)	(revision 24724ebae83af4e0104b349a2fb582bfc71a7475)
@@ -277,7 +277,15 @@
 
 extern int
 NsfUnexpectedArgumentError(Tcl_Interp *interp, CONST char *argumentString, 
-			   Nsf_Object *object, Nsf_Param CONST *paramPtr, Tcl_Obj *procNameObj);
+			   Nsf_Object *object, Nsf_Param CONST *paramPtr, 
+			   Tcl_Obj *procNameObj);
+extern int
+NsfUnexpectedNonposArgumentError(Tcl_Interp *interp, 
+				 CONST char *argumentString, 
+				 Nsf_Object *object, 
+				 Nsf_Param CONST *currentParamPtr,
+				 Nsf_Param CONST *paramPtr,
+				 Tcl_Obj *procNameObj);
 
 /*
  * logging