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bug#43631: 28.0.50; CC Mode multiline strings grinds performance to a ha

From: Theodor Thornhill
Subject: bug#43631: 28.0.50; CC Mode multiline strings grinds performance to a halt
Date: Sun, 27 Sep 2020 13:34:32 +0200 
Eli Zaretskii <eliz@gnu.org> writes:

[...]


> But I'm confused why the "fast" profile starts with
> font-lock-fontify-region, whereas the "slow" profile doesn't have
> font-lock-fontify-region anywhere...

I see that when I remove 'c-before-change-check-unbalanced-strings from
'c-get-state-before-change-functions' the performance degradation
ceases.  I'm not sure what else is affected by that change, so not sure
if that can be counted as a fix as far as 'csharp-mode' is concerned.

Just wanted to let you know.

Theo
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