[plt-scheme] redirecting keyboard events

At Fri, 27 Jan 2006 11:15:08 -0700, Matthew Flatt wrote:
> At Fri, 27 Jan 2006 18:05:41 +0000, pedro pinto wrote:
> > One more question, is there a way to persuade a MrEd application to use as
> > its standard input/output something other than a console? I would like to
> > have emacs launch a mred app and then talk to it through stdin, stdout. Is
> > this possible?
> 
> Yes, if you create a different "MrEd.exe". The following creates
> "cmred.exe":
> 
>  (require (lib "embed.ss" "compiler"))
>  (make-embedding-executable "cmred.exe" 
>                             #t #f null null
>                             null
>                             null
>                             '((subsystem . console)))

Out of curiosity, what does this do that the z flags don't do?

Thanks,
Robby