bug#32731: 26.1.50; Ibuffer filter by mode: Handle >1 mode names

[Tino Calancha]

On Mon, 17 Sep 2018, Eli Zaretskii wrote:

> > From: Tino Calancha <tino.calancha@gmail.com>
> > Date: Tue, 18 Sep 2018 02:44:28 +0900
> > Cc: 32731@debbugs.gnu.org
> >
> > Noam Postavsky <npostavs@gmail.com> writes:
> >
> > > Shouldn't this patch be going into master anyway (since it's adding a
> > > new feature)?
> > I think is pretty tiny and safe new feature.
>
> "Tiny and safe feature" doesn't necessarily cut it.  It has to be
> something important.  Is it?
It's not important; just for convenience.
It doesn't bring anything new: you can get the same result just typing
more keys.