Index: generic/stubs8.6/nsfDecls.h
===================================================================
diff -u -r2ff112f22072618fa57d835aceafcc10ac3adf5a -r9e8610ba86e16a518747bd25907d04b2aaf19dd5
--- generic/stubs8.6/nsfDecls.h	(.../nsfDecls.h)	(revision 2ff112f22072618fa57d835aceafcc10ac3adf5a)
+++ generic/stubs8.6/nsfDecls.h	(.../nsfDecls.h)	(revision 9e8610ba86e16a518747bd25907d04b2aaf19dd5)
@@ -197,6 +197,11 @@
 /* 39 */
 EXTERN int		Nsf_CmdDefinitionRegister(Tcl_Interp *interp,
 				Nsf_methodDefinition *definitionRecords);
+/* 40 */
+EXTERN int		NsfArgumentError(Tcl_Interp *interp,
+				CONST char *errorMsg,
+				Nsf_Param CONST *paramPtr,
+				Tcl_Obj *cmdNameObj, Tcl_Obj *methodPathObj);
 
 typedef struct {
     const struct NsfIntStubs *nsfIntStubs;
@@ -246,6 +251,7 @@
     int (*nsf_ConvertToTclobj) (Tcl_Interp *interp, Tcl_Obj *objPtr, Nsf_Param CONST *pPtr, ClientData *clientData, Tcl_Obj **outObjPtr); /* 37 */
     int (*nsf_EnumerationTypeRegister) (Tcl_Interp *interp, Nsf_EnumeratorConverterEntry *typeRecords); /* 38 */
     int (*nsf_CmdDefinitionRegister) (Tcl_Interp *interp, Nsf_methodDefinition *definitionRecords); /* 39 */
+    int (*nsfArgumentError) (Tcl_Interp *interp, CONST char *errorMsg, Nsf_Param CONST *paramPtr, Tcl_Obj *cmdNameObj, Tcl_Obj *methodPathObj); /* 40 */
 } NsfStubs;
 
 extern const NsfStubs *nsfStubsPtr;
@@ -339,6 +345,8 @@
 	(nsfStubsPtr->nsf_EnumerationTypeRegister) /* 38 */
 #define Nsf_CmdDefinitionRegister \
 	(nsfStubsPtr->nsf_CmdDefinitionRegister) /* 39 */
+#define NsfArgumentError \
+	(nsfStubsPtr->nsfArgumentError) /* 40 */
 
 #endif /* defined(USE_NSF_STUBS) */