bug#29889: 27.0.50; Slow visual selection

[Eli Zaretskii]

> Date: Sun, 07 Jan 2018 17:08:28 +0100
> From: martin rudalics <rudalics@gmx.at>
> CC: 29889@debbugs.gnu.org, m.sujith@gmail.com
> 
>  > So do we change it back to 'only' for Emacs 26?  Sounds a bit risky to
>  > me, after it has been t for 2 major releases, with no one complaining
>  > until now.
> 
> See also Bug#29661.

Yes.  However, I don't feel I can defend the change of the default
value in Emacs 26, unless I hear more support from developers.