Hi,

2010/12/6 Yehuda Katz <wycats / gmail.com>:
> I think that, for this same reason, `using` should normally not apply
> outside of the immediate lexical scope. I actually believed that this was
> the default behavior, and explained why I thought it was a good idea on my
> blog (http://yehudakatz.com/2010/11/30/ruby-2-0-refinements-in-practice/).

I agree with you.  I added inheritance support for frameworks such as
Rails, but it was wrong at least as the default behavior.

-- 
Shugo Maeda