From: Gavin Kistner <gavin.kistner@...>
Date: 2006-10-20T07:05:33+09:00
Subject: Re: Array#to_s in Ruby 1.9 Head

From: gwtmp01@mac.com [mailto:gwtmp01@mac.com] 
> Mauricio Fernandez writes in http://eigenclass.org/hiki.rb?Changes+in 
> +Ruby+1.9+update+5
> that Ruby 1.9 Head has changed Array#to_s to be an alias for  
> Array#to_inspect.
> 
> What is the motivation for that change?
> 	print a
> becomes
> 	a.each { |x| print x }

Or (easier):
print a.join('')