Re: emacs rendering comparisson between emacs23 and emacs26.3

[Eli Zaretskii]

> From: Dmitry Gutov <address@hidden>
> Date: Tue, 7 Apr 2020 23:05:04 +0300
> Cc: address@hidden, address@hidden, address@hidden, address@hidden,
>  address@hidden
> 
> I can and can't reproduce this at the same time.
> 
> Meaning, I do see "fontification of the next line to its original face" 
> take some time. But if I don't wait for it to turn black again and 
> continue typing, nothing bad happens: Emacs continues reacting to input 
> just as promptly, and the next line turns black soon enough.

Whether this is "bad" depends on what you use the fontification for.
For me, it's a sign of syntax correctness (among other things), so
waiting for the confirmation of the syntax for such a relatively long
time is quite "bad".