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From: | Gregory Heytings |
Subject: | bug#56682: Fix the long lines font locking related slowdowns |
Date: | Wed, 27 Jul 2022 06:55:32 +0000 |
But I'm seeing incorrect fontification. Is this one expected?
Yes, occasional mis-fontification is expected. It's a compromise between "no fontification" and "slow fontification".
Perhaps something to do with the number 40000?
There is no magical number 40000 in the implementation, the buffer limits to which fontification-functions are constrained are determined dynamically, depending on the width and height of the window.
My guess in this specific case is that the first instance of "Downloadify.Container" was fontified by the previous call to fontification-functions, and that the next chunk of text in which the two other instances of "Downloadify.Container" are contained was fontified by the next call to fontification-functions, which did not have access anymore to the place where Downloadify.Container is defined.
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