Subj : Re: Serializing Object Graphs
To   : Eric Brueggemann <eric_brueggemann@yahoo.com>
From : Brendan Eich <brendan@meer.net>
Date : Wed Apr 09 2003 11:05 am

You're talking about messing with internals, not the public API. Before 
I help, which I'm not sure I should do because of the hazards you'll 
face tying your code into the engine that deeply, I'd still like to know 
why you want all this fine-grained undo.  What user benefit are you 
providing, or currently problematic use-case are you addressing?

/be

.