[plt-scheme] Square braces in MrEd

Hi,

On Sat, 13 Sep 2008 21:12:52 -0400
Matthias Felleisen <matthias at ccs.neu.edu> wrote:

> > I'm still in the middle of writing my first non-trivial Scheme  
> > programs
> > but I am a bit confused at this point. The PLT documentation
> > sometimes uses [ square braces ] in the code (e.g. command-line)
> > whereas MrEd only lets me enter ( parentheses ). It looks like they
> > are doing just the same - that's why I ask what the difference
> > between them is and what to use.
> 
> Convention. Good convention. -- Matthias

Forgivebe the stupid question, but how to enter [ or ] in MrEd then?
Everytime I try, it gets replaced by ( and ).

regards,
Marek