On Tuesday,  2 Jan 2018 at 18:43, Eli Zaretskii wrote:
>   http://lists.gnu.org/archive/html/bug-gnu-emacs/2017-12/msg00665.html
>
> (and bug#29767 in general).
>
> And no, I don't think we have a solution for that yet.

Thanks.  This bug is exactly what I am experiencing, including the
> non-deterministic nature of it (leaving this line as is...).


-- 
Eric S Fraga via Emacs 27.0.50, org 9.1.6