Simple localization in Rails 2.2

Does it works in Rails 2.1?

http://almosteffortless.com/2008/07/21/simple-localization-in-rails-22/

If not, where I can get Rails 2.2 BETA to test this?

Does it works in Rails 2.1?

http://almosteffortless.com/2008/07/21/simple-localization-in-rails-22/

this stuff is new in 2.2

If not, where I can get Rails 2.2 BETA to test this?

You can follow the development version (known as edge rails) http://github.com/rails/rails/tree/master
Do be wary that a lot of other stuff may be different and there will be considerably less (ie usually none) documentation/tutorials etc... about new features/differences in edge

Fred