Rails 3.x I18n pluralization for slovene language

index.html.haml

# app/views/users/index.html.haml

%h1 Uporabniki

- # 1 uporabnik
= t(:user, count: 1)

- # 2 uporabnika
= t(:user, count: 2)

- # 3 uporabniki
= t(:user, count: 3)

- # 4 uporabniki
= t(:user, count: 4)

- # 5 uporabnikov
= t(:user, count: 5)

pluralization.rb

# config/initializers/pluralization.rb
I18n::Backend::Simple.send(:include, I18n::Backend::Pluralization)

plurals.rb

# config/locales/plurals.rb

# Copied from Rails I18n project
{
 :sl => { :i18n => { :plural => { :keys => [:one, :two, :few, :other], :rule => lambda { |n| n % 100 == 1 ? :one : n % 100 == 2 ? :two : [3, 4].include?(n % 100) ? :few : :other } } } },
}

# Used in gist from Krule - https://gist.github.com/Krule/478347
# Haven't tried it out though
# {
#  :'sl' => { :i18n => { :plural => { :rule => lambda { |n| [1].include?(n % 100) && ![11].include?(n % 100) ? :one : [2].include?(n % 100) && ![12].include?(n % 100) ? :two : [3, 4].include?(n % 100) && ![13, 14].include?(n % 100) ? :few : :other }}}}
# }

sl.yml

# config/locales/sl.yml
sl:
  user:
    one: 1 uporabnik
    two: 2 uporabnika
    few: "%{count} uporabniki"
    other:  "%{count} uporabnikov"