Index: TODO
===================================================================
diff -u -r433dab40ed472f0bcddf9c2afd176e3a2ff4de0b -r409cc953ea5440ccaeb252ff1932ab448dccd1e8
--- TODO	(.../TODO)	(revision 433dab40ed472f0bcddf9c2afd176e3a2ff4de0b)
+++ TODO	(.../TODO)	(revision 409cc953ea5440ccaeb252ff1932ab448dccd1e8)
@@ -1970,6 +1970,8 @@
 - Fixed switching between INACTIVE_MIXIN frames to ACTIVE_MIXIN frames
 - Extended regression test
 
+- make handling of redefinitions in system methods more robust
+
 TODO:
 
 - "-returns"