bug#33870: 27.0.50; xref-goto-xref not configurable

[Eli Zaretskii]

> From: Dmitry Gutov <dgutov@yandex.ru>
> Date: Fri, 1 Feb 2019 04:39:09 +0300
> Cc: 33870@debbugs.gnu.org
> 
> On 01.02.2019 03:17, João Távora wrote:
> > emacs -Q
> > C-x 2
> > C-x o
> > C-x 4 . xref-backend-definitions RET
> > n
> > 
> > <...> in
> > your version, it works quite correctly.
> 
> When I try this with the new patch, it results in a third window being 
> created (the original window is being split, and the definition is shown 
> there).
> 
> Is this the behavior we want?

No, I don't think so.