It's much worse than that — ruby's non-standard libs all have at least three potentially-different names: $ gem install rack-cache $ irb irb(main):001:0>

It's much worse than that — ruby's non-standard libs all have at least three potentially-different names: $ gem install rack-cache $ irb irb(main):001:0> require 'rack/cache' => true irb(main):002:0> Rack::Cache => Rack::Cache Only a japanese person could have come up with this clusterfuck — it's like dealing with Kanji!