bug#19547: Patch for this bug

[Eli Zaretskii]

> From: Thierry Volpiatto <thierry.volpiatto@gmail.com>
> Cc: npostavs@users.sourceforge.net, 19547@debbugs.gnu.org, rrt@sc3d.org
> Date: Sun, 27 Nov 2016 20:03:10 +0100
> 
> > Why not?  You will see quite a few examples of such stuff there.
> 
> Ok no problem, 2 last questions:
> 
> - What about like suggested by Noam to put this just above the
>   definition of while-no-input in subr.el ?

No objections here.

> - IIRC you didn't want to add by default selection-request aka
>   SELECTION_REQUEST_EVENT, is this always true ?

I had no firm opinion on that.  However, since it will be so easy to
add and remove events to/from the list, I see no problem in having
SELECTION_REQUEST_EVENT there by default: an application that doesn't
want that can easily have what it wants.