[racket] Some newbie trouble on running Web Server on EC 2

> 3. One more. This observation regards Dr Racket.
> Sometimes I cannot type [ or ]. It becomes ( or ).
>
> First I thought my machine was acting up. But I noticed that I can
> type 'cond(['  fine. So I am thinking its the Dr who is 'helping me
> too much'.  If so, Dr should consider that '[' appears in other places
> beside 'cond(['.

DrRacket's trying to be helpful.  You can turn off the assist by going
into Preferences/Editing/Racket and uncheck the "Automatically adjust
opening square brackets" item.