On Feb 3, 2012, at 10:32 AM, Matthias Felleisen wrote:

> 
> I would think that browser-like buttons are enough, and match the stack 
> philosophy. 
> 
> I also think that stacks are fine. If working with bookmarks suggest we want 
> something else, we should explore this as a second step. 

I agree; none of the browsers I've used have a visual representation of what 
pages are on the stack.  At a minimum, this is clearly "currently acceptable UI 
design."

One vaguely dangerous element here is that in the browser model, there's no 
persistent connection between a window and a source file, whereas an IDE 
typically does have one.  Will this "back-arrow" functionality also work on 
jumps to definitions that live in different files? This opens up a bunch of UI 
questions for me.  Possibly it's simpler just to ignore this for now.

John 

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