[plt-scheme] overwrite button canceled + other keybindings

At Tue, 4 Feb 2003 22:46:04 -0600, Bill Richter wrote:
>   For list-related administrative tasks:
>   http://list.cs.brown.edu/mailman/listinfo/plt-scheme
> 
> I finally rid of toggle-overwrite in DrScheme!  I made some other
> simple keybinding changes too, even though I know zip about MrEd.  I
> hope I didn't do anything dangerous.  I bound 
> 
> f9     <- undo
> c:f9   <- redo
> insert <- paste-clipboard
> f6     <- save-file

Are these keybindings standard for some platform you use? Which one?

Thanks,
Robby