Index: TODO
===================================================================
diff -u -rb8c0176cfeae7f18490e9d6887ece97b713f0fe0 -r50b5699927f9d34e2ab7a14e29ccf8dc1f569095
--- TODO	(.../TODO)	(revision b8c0176cfeae7f18490e9d6887ece97b713f0fe0)
+++ TODO	(.../TODO)	(revision 50b5699927f9d34e2ab7a14e29ccf8dc1f569095)
@@ -3316,6 +3316,11 @@
      are used to refer to methods in the current mixin order.
    * extended regression test
 
+- nx.tcl:
+  * made "/cls/ class ..." using ensemble methods and therefore extensible.
+  * This introduces some definition order dependencies in nx.tcl and
+    some redundancy ("class filter" and "class mixin"), but maybe 
+    this can be eliminated.
 
 TODO:
  - nx: