[antlr-interest] added challenge to antlr.org submit page

[Bryan Ewbank]

But Terence, you never said it was an "integer", just a sequence of digits ;-)

Get the right requirements!

On 5/16/05, Terence Parr <parrt at cs.usfca.edu> wrote:
> Damn!  Well, I guess I didn't expect anyone to go beyond a 32-bit
> number ;)  I used Integer.parseInt to verify rather than a reg ex.