Index: generic/nsfStack.c
===================================================================
diff -u -r62dc29237e6a643169841f002784c7dc0b29f201 -r7ad03f0f42ae651084aefb409c6c00b2318821c7
--- generic/nsfStack.c	(.../nsfStack.c)	(revision 62dc29237e6a643169841f002784c7dc0b29f201)
+++ generic/nsfStack.c	(.../nsfStack.c)	(revision 7ad03f0f42ae651084aefb409c6c00b2318821c7)
@@ -56,26 +56,26 @@
   nonnull(1);
 
 static Tcl_CallFrame* CallStackGetActiveProcFrame(Tcl_CallFrame *framePtr)
-  nonnull(1) pure;
+  nonnull(1) NSF_pure;
 
 NSF_INLINE static NsfObject* GetSelfObj2(
     const Tcl_Interp *UNUSED(interp),
     Tcl_CallFrame *framePtr
-) nonnull(2) pure;
+) nonnull(2) NSF_pure;
 
 static Tcl_CallFrame* CallStackGetTclFrame(
     const Tcl_Interp *interp,
     Tcl_CallFrame *varFramePtr,
     int skip
-) nonnull(1) pure;
+) nonnull(1) NSF_pure;
 
 static NsfCallStackContent* CallStackGetTopFrame(
     const Tcl_Interp *interp,
     Tcl_CallFrame **framePtrPtr
 ) nonnull(1);
 
 NSF_INLINE static NsfCallStackContent* CallStackGetTopFrame0(const Tcl_Interp *interp)
-  nonnull(1) pure;
+  nonnull(1) NSF_pure;
 
 static NsfCallStackContent* NsfCallStackFindCallingContext(
     const Tcl_Interp *interp,
@@ -102,7 +102,7 @@
 ) nonnull(1) nonnull(2);
 
 static NsfCallStackContent* CallStackFindActiveFilter(const Tcl_Interp *interp)
-  nonnull(1) pure;
+  nonnull(1) NSF_pure;
 
 static NsfCallStackContent* CallStackFindEnsembleCsc(
     const Tcl_CallFrame *framePtr,
@@ -122,7 +122,7 @@
     const Tcl_Interp *interp,
     const NsfObject *object,
     const Tcl_Command cmd
-) nonnull(1) nonnull(2) pure;
+) nonnull(1) nonnull(2) NSF_pure;
 
 static void CallStackReplaceVarTableReferences(
     const Tcl_Interp *interp,