> From: "Lex Spoon" <lex at cc.gatech.edu>
>
> I like the idea of simplifying these common constructs.  But making 
> symbols act like blocks is a little problematic, IMHO.  The  
duality will
> break down eventually.  For instance, what if someone tries to fixTemps 
> a symbol?

I don't see the problem at all.  The fact that blocks and symbols  
share some common protocol does not imply either Symbol isa Block or  
vice versa.  If fixTemps is necessary for invoking blocks, then  
that's a different problem.

Marcel