Index: generic/nsf.h
===================================================================
diff -u -r625e5b42ce67fb5b427852f477e9dac8746e8025 -rb604626384c5692394df7e276ac9c10e6229dbfd
--- generic/nsf.h	(.../nsf.h)	(revision 625e5b42ce67fb5b427852f477e9dac8746e8025)
+++ generic/nsf.h	(.../nsf.h)	(revision b604626384c5692394df7e276ac9c10e6229dbfd)
@@ -126,6 +126,7 @@
 
 /* Experimental language feature
 #define NSF_WITH_INHERIT_NAMESPACES 1
+#define NSF_WITH_TCL_OBJ_TYPES_AS_CONVERTER 1
 */
 
 #define NSF_WITH_OS_RESOLVER 1