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From: | Gregory Heytings |
Subject: | bug#56682: Fix the long lines font locking related slowdowns |
Date: | Wed, 10 Aug 2022 13:11:52 +0000 |
I'm not completely sure he did indeed remove those three brackets. Stephen, can you remove the three characters at positions 1, 22 and 23, and try again? These are the first two '{' and the first '[' characters in the buffer.I did remove those brackets previously; the improvement I see is that, without them (and even without removing the corresponding closing brackets at the end of the file, and of course with bidi-inhibit-bpa nil), holding down `C-n' moves the cursor almost a whole screenful (~60 visual lines) before coming to a halt, instead of just three visual lines with the initial brackets, and after letting go of `C-n', the cursor catches up to the actual position of point noticeably quicker than with the unaltered file. Still, the movement is not at all smooth, unlike with bidi-inhibit-bpa non-nil (and that is not as smooth as moving through the same file with so-long-mode enabled).
Is that with emacs -Q? And with show-paren-mode disabled?
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