Index: TODO
===================================================================
diff -u -r99c7e7c4351ea0c17971fa41bd5d3c0f5a4c0321 -r08ec3c401fec6ee6e7358da7f75a3208308d8b6b
--- TODO	(.../TODO)	(revision 99c7e7c4351ea0c17971fa41bd5d3c0f5a4c0321)
+++ TODO	(.../TODO)	(revision 08ec3c401fec6ee6e7358da7f75a3208308d8b6b)
@@ -5363,6 +5363,13 @@
   working on the root classes (an more efficient on subclasses).
 - added experimental code feature CYCLIC_MIXIN_ERROR
 
+nsf.c:
+- improve performance of MixinInvalidateObjOrders() by about 30%
+  by recomping the list of the dependent classes over and over again, 
+  since MixinInvalidateObjOrders() iterates over the full list already.
+- Document NsfRelationClassMixinsSet() and add nonnull declarations and 
+  the usual assertions()
+  
 ========================================================================
 TODO:
 
@@ -5372,7 +5379,6 @@
 
   if we disallow cycles in class-mixins, we can't do "nx::Object mixin add M"
 
-- Document/nonnull/resolve NsfRelationClassMixinsSet()
 - check other places whether DependentSubClasses() should be used instead of 
   TransitiveSubClasses()