[plt-scheme] evaluating buffer w/o re-initializing environment?

On Sun, Mar 29, 2009 at 11:20 AM, Fred G. Martin <fredm at cs.uml.edu> wrote:
> One of the things I really miss in Dr. Scheme is the ability to add
> new definition bindings without losing the state of the global
> environment.  When you evaluate a buffer with F5 or Run, the world is
> reset and then the buffer definitions are evaluated and put back.

I am guessing that most people avoid this by doing the exploratory
part of the programming inside of the REPL and when they are happy
with new functions they do a:

M:S:right-arrow
C:c
C:F6
C:v