# File lib/cucumber/cli/language_help_formatter.rb, line 26
      def self.list_keywords(io, lang)
        language = Parser::NaturalLanguage.get(nil, lang)
        raw = Parser::NaturalLanguage::KEYWORD_KEYS.map do |key|
          [key, language.keywords(key)]
        end
        table = Ast::Table.new(raw)
        new(nil, io, {:incomplete => language.incomplete?}).visit_multiline_arg(table)
      end