From: David A. Black [mailto:dblack / wobblini.net] 

> Oh, not that it matters but I got that wrong.  Tied for *first*
> with doing nothing.  @_ way down at third :-)

I tend to agree with this.  Having both protected and private instance
variables is overkill and complicates the language.  If private instance
variables are prefered, then make them all that way.  It will break
portability, but we expect some of that in moving to Ruby 2.  

Besides, leading underscores are /ugly/.  Leading underscores prefixed by @
are /very ugly/.

So, here's my vote to *not* have two different kinds of instance variables.

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