[racket-dev] typo in message for 'begin0'? Or not?

On Thu, Jul 7, 2011 at 2:21 AM, John Clements <clements at brinckerhoff.org> wrote:
> While patching up the stepper tests results for the Advanced language level, I noticed this strange error message:
>
> (begin0)
>
> =>
>
> "begin: expected at least one expression after begin0, but nothing's there"
>
> Shouldn't that error message have begun with "begin0", rather than "begin"? Or was that deliberate?

That looks like a bug.

Can it be that it is generated by stepper annotations in teach.rkt's
ensure-expression?