From: Mike Stephens <rubfor@...>
Date: 2009-08-10T15:55:52+09:00
Subject: Re: what is "stack level too deep (SystemStackError)" error

It looks like when the search gets to the right edge, there is nothing 
to stop it repeating itself infinitely - which of course blows the 
stack. Nothing is noticing that you are only looking at one element and 
you did that last time.

Also I question whether right is array.length rather than array.length - 
1 since the index starts at 0.
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