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patches: fix O(buffer) cache invalidation caused by font-lock

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BUF_CHARS_MODIFF fix — the core performance regression:
ensureTextCache checked BUF_MODIFF which font-lock bumps on every
redisplay. Each cursor movement in a large file triggered full buffer
rebuild. Now uses BUF_CHARS_MODIFF (changes only on char insert/delete).
This commit is contained in:
Daneel
2026-03-01 04:56:37 +01:00
parent bc71e58123
commit cd16d45584
10 changed files with 97 additions and 18 deletions
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patches/0000-ns-integrate-with-macOS-Zoom-for-cursor-tracking.patch
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@@ -1,7 +1,7 @@
From 8ef9b7f50f9ebb1c23e8e8bf2b5158e073b35e37 Mon Sep 17 00:00:00 2001
From b38d702cb19f2b7c36d88d7e397323ea1aca1c9b Mon Sep 17 00:00:00 2001
From: Martin Sukany <martin@sukany.cz>
Date: Sat, 28 Feb 2026 22:39:35 +0100
Subject: [PATCH 1/9] ns: integrate with macOS Zoom for cursor tracking
Subject: [PATCH 01/10] ns: integrate with macOS Zoom for cursor tracking
Inform macOS Zoom of the text cursor position so the zoomed viewport
follows keyboard focus in Emacs.