rails/rails — pull request #6169 by marcandre (2012-05-05 06:56:56+00:00)
Title: Respond to missing

In Ruby 1.9.2, it's better to use `respond_to_missing?` than `respond_to?`, as it also handles method creation.

I see there are others in other rails packages, I'll create additional pull requests when I get a chance.

Thanks