bug#31692: Emacs sometimes drops key events

[Eli Zaretskii]

> From: Artur Malabarba <bruce.connor.am@gmail.com>
> Date: Tue, 5 Jun 2018 18:39:25 -0300
> Cc: Noam Postavsky <npostavs@gmail.com>, Michael Heerdegen 
> <michael_heerdegen@web.de>, radon.neon@gmail.com, 
>       31692@debbugs.gnu.org
> 
> Thanks for the cc.
> I'll admit that issue flew under my radar.
> 
> I'm not sure how to fix it, though. Is there a way to ensure that the input 
> that interrupts `while-no-input' still gets
> properly handled by emacs? 

Can you explain why you needed while-no-input at all?  Why not just
sit-for?