piotrek@piotrek-desktop:~/rails/trendi18n/spec/test_application$ ruby script/console
Loading development environment (Rails 2.3.4)
>> I18n.backend = Trendi18n::Backend::Trendi18n.new
=> #<Trendi18n::Backend::Trendi18n:0xb738b3fc>
>> I18n.backend
=> #<Trendi18n::Backend::Trendi18n:0xb738b3fc>
>> I18n.translate :hallo
ArgumentError: wrong number of arguments (4 for 3)
	from /home/piotrek/rails/trendi18n/spec/test_application/vendor/plugins/trendi18n/lib/trendi18n.rb:34:in `lookup'
	from /home/piotrek/rails/trendi18n/spec/test_application/vendor/plugins/trendi18n/lib/trendi18n.rb:34:in `translate'
	from /var/lib/gems/1.8/gems/activesupport-2.3.4/lib/active_support/vendor/i18n-0.1.3/lib/i18n.rb:165:in `translate'
	from (irb):3
>>