rails--rails/activesupport/lib/active_support/multibyte.rb

module ActiveSupport::Multibyte #:nodoc:
  DEFAULT_NORMALIZATION_FORM = :kc
  NORMALIZATIONS_FORMS = [:c, :kc, :d, :kd]
  UNICODE_VERSION = '5.0.0'
end

require 'active_support/multibyte/chars'