Subject: bug#56682: locked narrowing

From: Eli Zaretskii <[email-masked]>
Date: Fri, 02 Dec 2022 14:02:53 +0200

> Date: Fri, 02 Dec 2022 09:16:08 +0000
> From: Gregory Heytings <[email-masked]>
> cc: [email-masked], [email-masked], [email-masked]
> 
> In which case we are back to the alternative solution, which is to trigger 
> rescanning on each redisplay cycle.  Which might, after all, be the 
> simplest and safest solution.

If the region we scan is limited by some reasonably large size, that could
indeed be the best solution.