# File lib/org-ruby/line.rb, line 364
    def determine_major_mode
      @major_mode = \
      case
      when definition_list? # order is important! A definition_list is also an unordered_list!
        :definition_list
      when ordered_list?
        :ordered_list
      when unordered_list?
        :unordered_list
      when table?
        :table
      end
    end