[plt-scheme] Idiomatic equivalent to exn:application in v299?

On Feb  6, Felix Klock's PLT scheme proxy wrote:
> 
> Gee, I love having responses all the way down here.  That way, all
> of the people on plt-scheme get to scroll down to the bottom of
> their message to see a 2 line response.  Genius!

Obviously, proper quoting should come with trimming what you answer.
Your reply is a perfect example of misguided bottom posting.
-- 
          ((lambda (x) (x x)) (lambda (x) (x x)))          Eli Barzilay:
                  http://www.barzilay.org/                 Maze is Life!