[plt-scheme] move-to in refresh

From: Matthew Flatt (mflatt at cs.utah.edu)
Date: Tue Aug 10 09:30:54 EDT 2004

At Mon, 9 Aug 2004 12:50:19 -0400, "Mike T. Machenry" wrote:
> What do you make of this? This program hangs on the call to 
> super-get-extent.

It was another problem with `super' and certain primitive methods,
including the newly overrideable `get-extent'.

New code tagged.


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