'If no color table is found, write a string for a default one'

def __make_default_color_table(self):

    self.__color_table_final = 'mi<tg<open______<color-table\n'
    self.__color_table_final += 'mi<mk<clrtbl-beg\n'
    self.__color_table_final += 'cw<ci<red_______<nu<00\n'
    self.__color_table_final += 'cw<ci<green_____<nu<00\n'
    self.__color_table_final += 'cw<ci<blue______<en<00\n'
    self.__color_table_final += 'mi<mk<clrtbl-end\n'
    self.__color_table_final += 'mi<tg<close_____<color-table\n'
