utility.rb

module Utility

  # ActiveSupport 2.3.5 adds @_rails_html_safe aggressively.
  # This method removes it so you can output clean YAML.
  def self.plain_string(s)
    if s.instance_variable_defined?(:@_rails_html_safe)
      s.send(:remove_instance_variable, :@_rails_html_safe)
    end
    s
  end

end