bug#31692: Emacs sometimes drops key events

[Alan Third]

On Sun, Jun 03, 2018 at 06:05:36PM +0300, Eli Zaretskii wrote:
> > From: Radon Rosborough <radon.neon@gmail.com>
> > Date: Sat, 2 Jun 2018 22:54:11 -0600
> > Cc: 31692@debbugs.gnu.org
> > 
> > > Is this in a text-mode frame or a GUI frame?
> > 
> > It has happened in both.
> 
> Then it's probably something specific to NS event handling.

It could be worth redefining NS_KEYLOG to 1 in nsterm.m. This prints a
whole bunch of stuff to the terminal and should let us find out where
the key presses are being lost if it is in the NS code.
-- 
Alan Third