[racket-dev] try the GRacket2 branch

At Sun, 31 Oct 2010 16:29:08 -0600, Doug Williams wrote:
> The interactions.ss file in the simulation package on PLaneT also required a
> (yield) after line 107 to give the animation effect - there is no double
> buffering or anything here. But, with that added, it seems to run fine.
> 
> I guess I need a better understanding of how the new canvas is working in
> order to deprecate the animated-canvas capability for my animations. Any
> thoughts, Matthew?

You shouldn't have to add a `yield', but I see that it's currently
necessary to get canvas updates for Gtk and Win32. I'll work on that.