Subject: Re: bug#27647: 26.0.50; Line numbers implemented natively disappear momentarily when frame out of focus

From: Eli Zaretskii <[email-masked]>
Date: Tue, 17 Oct 2017 19:48:44 +0300

> From: Kaushal Modi <[email-masked]>
> Date: Tue, 17 Oct 2017 15:13:01 +0000
> Cc: [email-masked], Eli Zaretskii <[email-masked]>, [email-masked], 
> 	[email-masked], [email-masked]
> 
> Again, this problem happens only when x-gtk-use-system-tooltips is set to t.

So somehow, popping up and/or down the GTK tooltip causes a redisplay
cycle with display-line-numbers disabled.  If someone with a GTK build
can catch such a redisplay in a debugger and show a backtrace, that
would probably allow us to move forward.

Thanks.