Index: TODO
===================================================================
diff -u -rc15c31274cb347a8713a60c36193086b41cb6028 -r5f2ff6c877a5f83270b75bc311afbce59af78dec
--- TODO	(.../TODO)	(revision c15c31274cb347a8713a60c36193086b41cb6028)
+++ TODO	(.../TODO)	(revision 5f2ff6c877a5f83270b75bc311afbce59af78dec)
@@ -5009,6 +5009,7 @@
 - add serveral more assertions based on nonnull sepcifications.
 - made nsf::is using the "-strict" option when tcl's "string is" is called.
 - let the c-code generator produce as well nonnull assertions
+- simplify FilterInvalidateObjOrders() and FilterRemoveDependentFilterCmds()
 
 ========================================================================
 TODO: