Index: events.py
===================================================================
--- events.py	(revision 3787)
+++ events.py	(working copy)
@@ -115,6 +115,17 @@
     row can be deleted without first fetching it?
     """
 
+class RowDestroyedSignal(Signal):
+    """
+    Called after an instance is deleted.  Sender is the instance's
+    class.  Arguments are ``(instance)``.
+
+    This is called before the post_funcs of RowDestroySignal
+    
+    Note: this is not called when an instance is destroyed through
+    garbage collection.
+    """
+    
 class RowUpdateSignal(Signal):
     """
     Called when an instance is updated through a call to ``.set()``
@@ -124,6 +135,14 @@
     current values, simply look at ``instance``.
     """
 
+class RowUpdatedSignal(Signal):
+    """
+    Called when an instance is updated through a call to ``.set()``
+    (or a column attribute assignment).  The arguments are
+    ``(instance)``. This is run *after* the instance is updated;
+    Works better with lazyUpdate = True
+    """
+
 class AddColumnSignal(Signal):
     """
     Called when a column is added to a class, with arguments ``(cls,