> `--relative-base=BASE'
> Only output relative names when both the `--relative-to' and processed
> FILEs are descendants of BASE. Otherwise output the absolute file name.
> Note this option honors the @option{-m} and @option{-e} options
> pertaining to file existence.'--relative-to' and '--relative-base' are too long. Would you please add a one-letter shortcut, such as -t and -b? -- Regards, Peng
