API change: juju CLI support for adding/removing multiple service units at once

[Gustavo Niemeyer]

> Having a short and long is pretty standard and improves discoverability,
> per Marco's point.

Both sides are pretty common, but I agree completion is a more
interesting argument towards having both.

> I don't feel that strongly about it, but I'm not aware of a reason to
> avoid having a short and long for most options.

There's no strong reason indeed.

-- 
Gustavo Niemeyer
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-- I'm not absolutely sure of anything.