From: Albert Schlef <albertschlef@...>
Date: 2009-03-24T17:49:36+09:00
Subject: Re: Writing a language converter in Ruby ?

Justin Collins wrote:
> Why not use existing tools? I like treetop, myself:
> http://treetop.rubyforge.org/
> 
> -Justin

That's interesting. I see that their DSL looks like:

  rule additive
    multitive '+' additive / multitive
  end

Do you notice? There's "end" there but no "do"! How is it possible?
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