[plt-scheme] release of 4.0

From: Geoffrey S. Knauth (geoff at knauth.org)
Date: Wed May 7 12:53:05 EDT 2008

If 4.0 is released by June 30, I don't have to convince the IT  
department at my college to put the image on all the lab machines.   
After July 1, I have to start twisting arms.

The really motivated students, however, always go get DrScheme  
themselves and put it on their laptops.

Posted on the users mailing list.