translate

# File actionpack/lib/action_view/helpers/translation_helper.rb, line 6
      def translate(key, options = {})
        options[:raise] = true
        I18n.translate(key, options)
      rescue I18n::MissingTranslationData => e
        keys = I18n.send(:normalize_translation_keys, e.locale, e.key, e.options[:scope])
        content_tag('span', keys.join(', '), :class => 'translation_missing')
      end