files. The traditional behaviour, 'basename string .suffix', is preserved,
however a suffix may now also be specified via a getopt(3) option, -s, such
that if it is specified in that way, all string arguments follow. There is
also a new flag, -a, which allows a user to say "yes, please basename(3) on
all arguments". Update manual to reflect this unobtrusively.
Reviewed by: obrien
This will make a number of things easier in the future, as well as (finally!)
avoiding the Id-smashing problem which has plagued developers for so long.
Boy, I'm glad we're not using sup anymore. This update would have been
insane otherwise.