bug#61248: uniq --unique needs examples

[Dan Jacobson]

BV> While an example is always nice, isn't the last part of the above
BV> exactly telling what it's doing?

That is for experts to know. The rest of us need examples,
sort of like your idea, (please modify):

$ echo a a a b c c b b d b | xargs --max-args=1 | uniq --unique
b
d
b