Index: generic/nsfInt.h
===================================================================
diff -u -r6c041dc5e75dfb3fc2c119ca2cfdc1824968f293 -rc01b411cdc631fd8e3eea9bf8fea985837a2b4b3
--- generic/nsfInt.h	(.../nsfInt.h)	(revision 6c041dc5e75dfb3fc2c119ca2cfdc1824968f293)
+++ generic/nsfInt.h	(.../nsfInt.h)	(revision c01b411cdc631fd8e3eea9bf8fea985837a2b4b3)
@@ -1220,17 +1220,34 @@
 void NsfStringIncrFree(NsfStringIncrStruct *iss)
   nonnull(1);
 
+
 /*
- * Nsf Enumeration type interface
+ *  Interface for NSF's custom hash tables supporting function
+ *  pointers as keys.
+ *
  */
+
+typedef void (Nsf_AnyFun)();
+
+EXTERN void Nsf_InitFunPtrHashTable(Tcl_HashTable *tablePtr)
+  nonnull(1);
+EXTERN Tcl_HashEntry *Nsf_CreateFunPtrHashEntry(Tcl_HashTable *tablePtr, Nsf_AnyFun *key, int *isNew)
+  nonnull(1) nonnull(2);
+EXTERN Tcl_HashEntry *Nsf_FindFunPtrHashEntry(Tcl_HashTable *tablePtr, Nsf_AnyFun *key)
+  nonnull(1) nonnull(2);
+
+
+/*
+ * NSF enumeration-type interface
+ */
 EXTERN void Nsf_EnumerationTypeInit(Tcl_Interp *interp)
   nonnull(1);
 
 EXTERN const char *Nsf_EnumerationTypeGetDomain(Nsf_TypeConverter *converter)
   nonnull(1);
 
 /*
- * Nsf Cmd definition interface
+ * NSF command definitions interface
  */
 EXTERN void Nsf_CmdDefinitionInit(Tcl_Interp *interp)
   nonnull(1);