Here is a screenshot showing the difference.

On Mon, Apr 25, 2016 at 4:59 PM, Eli Zaretskii <eliz@gnu.org> wrote:

> > Date: Mon, 25 Apr 2016 17:28:23 +0900
> > From: YAMAMOTO Mitsuharu <mituharu@math.s.chiba-u.ac.jp>
> > Cc: ptr.wang@gmail.com,
> >       23362@debbugs.gnu.org
> >
> > > Could you perhaps write a short entry about the consequences of this
> > > in NEWS, and perhaps also in PROBLEMS?  I guess we will be receiving
> > > such complaints in the future, so it would be nice to have a place
> > > to point people at.
> >
> > I've just added a NEWS entry that explains why it was included and
> > then disabled.
>
> Thanks.  However, the OP seems to imply that the Emoji symbols are
> rendered incorrectly, or not displayed at all, when multicolor fonts
> are used, not just that the colors are not shown.  If that is true (is
> it?), I'd suggest to have in NEWS a workaround (use a different
> font?), not just a statement of the fact that we don't support these
> fonts.
>
> Thanks.
>