# File rbBinaryCFPropertyList.rb, line 612
    def bool_to_binary(val)
      saved_object_count = @written_object_count
      @written_object_count += 1

      @object_table[saved_object_count] = val ? "\x9" : "\x8" # 0x9 is 1001, type indicator for true; 0x8 is 1000, type indicator for false
      return saved_object_count
    end