On Nov 6, 2009, at 11:28 , Aldric Giacomoni wrote:

>  In my limited understanding, it seems that the only thing separating
>  Ruby from "true macros" is the ability to ... Define new keywords /  
>  new
>  syntax ?
>  LISP's ` (the backtick) is roughly equivalent to Ruby's eval with a
>  string, right?

yes and no... one of the other differences is that lisp macros are  
handled at parse time, not runtime.

You might want to look at caleb's ruby macros... I could never get it  
to work for me, but you may have better luck.