Index: library/nx/nx.tcl
===================================================================
diff -u -rb3018d3be0f1524a3f1709edc0e2ddb5d8bc4c0b -r5b2eafb18ce22d7aa8cef352f535da5046cac7d9
--- library/nx/nx.tcl	(.../nx.tcl)	(revision b3018d3be0f1524a3f1709edc0e2ddb5d8bc4c0b)
+++ library/nx/nx.tcl	(.../nx.tcl)	(revision 5b2eafb18ce22d7aa8cef352f535da5046cac7d9)
@@ -1081,9 +1081,9 @@
     # create "superclass" as a ObjectParameterSlot
     #
     #::nx::RelationSlot create ${os}::Class::slot::superclass -default ${os}::Object
-    #::nx::ObjectParameterSlot create ${os}::Class::slot::superclass \
-	-methodname "::nsf::methods::class::superclass" -default ${os}::Object
     ::nx::ObjectParameterSlot create ${os}::Class::slot::superclass \
+	-methodname "::nsf::methods::class::superclass" -default ${os}::Object
+    #::nx::ObjectParameterSlot create ${os}::Class::slot::superclass \
 	-methodname "::nsf::relation %self superclass" -disposition forward -default ${os}::Object