This is how every macro and special form works. I know you like to 
complain, but the alternative is simply not possible: macros have complete 
control of expanding their bodies, and any macros therein are expanded 
later, not before. Try writing a macro system that goes the other way, and 
see how disastrous the result is.

On Monday, April 1, 2013 1:00:31 PM UTC-7, Cedric Greevey wrote:
>
> IMO, the real problem here is try not macroexpanding its body before 
> looking for its catches. IMO that's a bug, and indeed that the rethrow 
> macro doesn't work when the s-expression it expands to would work in its 
> place represents a violation, at least in spirit, of homoiconicity. There 
> are operators that are "special" and can't be supplied via macro. That's 
> wrong.
>  

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