(help_exit): Describe about the arg "-r". (reverse_bit_order, init_reverse_bit_order): Delete them. (main): Handle the arg "-r".
(help_exit): Describe about the arg "-r".
(reverse_bit_order, init_reverse_bit_order): Delete them.
(main): Handle the arg "-r".

xmirror/m17n-lib,xmirror/m17n-lib,xmirror/m17n-lib,xmirror/m17n-lib