Index: generic/nsfInt.h
===================================================================
diff -u -r2fa3f1c596fedf924397e424b532d7f223c8b621 -rbedb248602f8940383c0f4a10bb4f99b3a5f2c4f
--- generic/nsfInt.h	(.../nsfInt.h)	(revision 2fa3f1c596fedf924397e424b532d7f223c8b621)
+++ generic/nsfInt.h	(.../nsfInt.h)	(revision bedb248602f8940383c0f4a10bb4f99b3a5f2c4f)
@@ -609,7 +609,7 @@
   NsfClass *cl;
   Tcl_Command cmdPtr;
   NsfFilterStack *filterStackEntry;
-  Tcl_Obj ** objv;
+  Tcl_Obj *CONST* objv;
   int objc;
   unsigned short frameType;
   unsigned short callType;
@@ -626,15 +626,14 @@
 
 #define NSF_CSC_CALL_IS_NEXT             1
 #define NSF_CSC_CALL_IS_GUARD            2
-#define NSF_CSC_CALL_IS_ENSEMBLE         4   /*TODO: needed?*/
+#define NSF_CSC_CALL_IS_ENSEMBLE         4 
 #define NSF_CSC_IMMEDIATE           0x0020
 #define NSF_CSC_CALL_IS_NRE         0x0100  
 #define NSF_CSC_MIXIN_STACK_PUSHED  0x0200  
 #define NSF_CSC_FILTER_STACK_PUSHED 0x0400
 #define NSF_CSC_UNKNOWN             0x0800   /* TODO needed in copy flags ? */
-#define NSF_CSC_ACTIVE_FILTER       0x1000   // should not be longer needed
 #define NSF_CSC_OBJECT_ACTIVATED    0x2000
-#define NSF_CSC_COPY_FLAGS          (NSF_CSC_MIXIN_STACK_PUSHED|NSF_CSC_FILTER_STACK_PUSHED|NSF_CSC_IMMEDIATE|NSF_CSC_UNKNOWN|NSF_CSC_ACTIVE_FILTER)
+#define NSF_CSC_COPY_FLAGS          (NSF_CSC_MIXIN_STACK_PUSHED|NSF_CSC_FILTER_STACK_PUSHED|NSF_CSC_IMMEDIATE)
 
 /* flags for call method */
 #define NSF_CM_NO_UNKNOWN 1