>You can do this: just save your change sets every time you're happy
>with them (by default you'll get sequential numbers). You don't have
>to save the image.
>
>But you'll have to load your last change set to keep working on it,
>of course.
>
>If you want to have historical versions with this approach, just file
>in all the change sets into the same project's change set:
>
>file in xyz.1.cs into new change set (or current change set)
>file in xyz.2.cs on top of that
>file in xyz.3.cs on top of that
>
>and so on. Of course, you can just put this into a script (a .st file)
>and put it into your command line so that every time you start up the
>image you get this done for you.
>
>Does this not do what you want?
>
>If not, what are you trying to accomplish?

Yes, this does what I want, thanks.  It makes it a bit of a chore to
pass my changes on to someone else so they can examine the revision
history, but this comes close to what I want.

Rick