bug#38407: 27.0.50; infinite loop with display of large file without newlines

[Dmitry Gutov]

On 29.11.2019 17:03, Eli Zaretskii wrote:
> Are there a lot of parentheses/braces there? are they nested?

Almost never.

> This variable will only have any visible effect when both of the
> following conditions are true:
>
>    . a physical line is very long
>    . the line includes many parentheses and/or braces, especially if
>      they are nested
>
> If these conditions are not true, the variable will have no tangible
> effect on redisplay performance.

Guess I got over-excited, sorry. If I ever find performance benefits in 
compilation buffers with this variable on, will report back.