Extra line break with "-n"

[Alexey Salmin]

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Is this a bug? A bit strange that the last line "ten" looks as if it's
present in both files as is -- which is not true.

    $ wdiff -n one two
    one [-two-] three four
    five six seven [-eight-]
    [-nine-]
    ten

I would expect this:

    one [-two-] three four
    five six seven [-eight-]
    [-nine-] ten

Files in question:
    $ cat one
    one two three four
    five six seven eight
    nine ten

    $ cat two
    one three four
    five six seven
    ten

Thanks,
Alexey