Hi Jon, 

Is the code lying down somewhere (and adequatly licensed),
so that someone could do the porting effort ? 

Thanks,
  Romain 

> Back when I worked at The Object People, Anthony Lander and I wrote a
> browser in Visual Smalltalk that solved this problem quite nicely. You
> could, at any point in time, push the entire state of the browser on a
> stack, including the dirty state of the text pane. You could go off and
> explore other parts of the system, add inst vars, etc, and then one
> keystroke would pop you back to exact state you were in before. 
> 
> It was very nice to use, allowing for quite context changes without
> littering the desktop with extra windows. 
> 
> Unfortunately, we never did get this browser ported to Squeak -- the state
> push/pop was just one of the cool things it had. 
>