Index: generic/nsfInt.h
===================================================================
diff -u -rbd4aa15282abe386464ef276b78f2708f249f333 -r67591822465e64d9051583c9aa71f8d3a4ef5c96
--- generic/nsfInt.h	(.../nsfInt.h)	(revision bd4aa15282abe386464ef276b78f2708f249f333)
+++ generic/nsfInt.h	(.../nsfInt.h)	(revision 67591822465e64d9051583c9aa71f8d3a4ef5c96)
@@ -627,6 +627,9 @@
 extern Tcl_ObjType NsfMixinregObjType;
 int NsfMixinregGet(Tcl_Obj *obj, NsfClass **clPtr, Tcl_Obj **guardObj);
 
+extern Tcl_ObjType NsfFilterregObjType;
+int NsfFilterregGet(Tcl_Obj *obj, Tcl_Obj **filterObj, Tcl_Obj **guardObj);
+
 /* Next Scripting ShadowTclCommands */
 typedef struct NsfShadowTclCommandInfo {
   TclObjCmdProcType proc;