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From: | Gregory Heytings |
Subject: | bug#56682: Fix the long lines font locking related slowdowns |
Date: | Fri, 05 Aug 2022 12:42:12 +0000 |
The locked narrowing currently in effect makes it impossible to investigate this problem or improve the behavior :-(How so? It is fully backward compatible, just (setq long-line-threshold nil). If what you want is only to remove the locked narrowing, comment out the relevant line in xdisp.c.That brings back the performance problems in redisplay, which have a more pronounced effect, overshadowing both issues and potential improvements in font-lock.
The first option does, the second does not.
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