bug#57207: 29.0.50; Fontification is slow after e7b5912b23 (Improvements to long lines handling)

[Ihor Radchenko]

Gregory Heytings <gregory@heytings.org> writes:

>> Maybe Org does something that frequently causes a window's redisplay 
>> cycle to end prematurely, in which case the code that looks for long 
>> lines could be called too frequently.  But in that case, your proposed 
>> change will have the same problem, I think?
>>
>
> That's possible indeed, let's see what Ihor tells us.

I'm afraid that my knowledge of Emacs redisplay is not sufficient to give
any insight. I have no clue what "redisplay cycle end prematurely" means
and how it can be triggered.

-- 
Ihor Radchenko,
Org mode contributor,
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