Subj : Re: Serializing Object Graphs
To   : Eric Brueggemann <eric_brueggemann@yahoo.com>
From : Brendan Eich <brendan@meer.net>
Date : Mon Apr 07 2003 05:36 pm

Eric Brueggemann wrote:

>The rough idea is to provide an "undo" mechanism for the user of a
>browser. Whereas the usual browser history navigates at an HTTP
>request granularity, the undo would provide navigation between
>different state snapshots of the same document.
>
>Since the document creator's intentions are unknown beforehand, I'd
>have to handle the worst case...
>
>Any ideas other than serialization are certainly welcome as well.
>

Why would you want to use serialization for a "DOM undo" mechanism?  
Undo is easily implemented using a log of invertible operations.

Mozilla's editor has multi-level undo.  But maybe you're not using Gecko?

/be

.