# File lib/gettext_i18n_rails/ruby_gettext_extractor.rb, line 102
    def gettext_simple_call(args)
      # args comes in 2 forms:
      #   s(s(:str, "Button Group Order:"))
      #   s(:str, "Button Group Order:")
      # normalizing:
      args = args.first if Sexp === args.sexp_type

      key  = extract_key_singular(args, "\004")
      store_key(key, args)
    end