# encoding: utf-8

if 'мама'.upcase != 'МАМА'
  require 'unicode'
  class ::String
     def downcase
       Unicode::downcase(self)
     end
     def downcase!
       self.replace downcase
     end
     def upcase
       Unicode::upcase(self)
     end
     def upcase!
       self.replace upcase
     end
     def capitalize
       Unicode::capitalize(self)
     end
     def capitalize!
       self.replace capitalize
     end
  end
end