https://github.com/rails/rails/blob/2-3-stable/actionpack/lib/action_controller/request.rb#L11 https://github.com/rails/rails/blob/2-3-stable/actionpack/li...

https://github.com/rails/rails/blob/2-3-stable/actionpack/lib/action_controller/request.rb#L11 https://github.com/rails/rails/blob/2-3-stable/actionpack/li... Try getting your editor to find that definition of method "accept_language" or "cache_control". :-)