From 66ddbf981e56c4503a31e463b93f09b1b91c3be9 Mon Sep 17 00:00:00 2001
From: Henrik Lissner <henrik@lissner.net>
Date: Tue, 21 May 2019 03:42:32 -0400
Subject: [PATCH] Disable persistent undo

It's not worth the possible stack overflow and undo history corruption
issues.
---
 core/core-editor.el | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/core-editor.el b/core/core-editor.el
index a56ee8b27..1a48f5569 100644
--- a/core/core-editor.el
+++ b/core/core-editor.el
@@ -310,7 +310,7 @@ savehist file."
   ;; Branching & persistent undo
   :after-call (doom-switch-buffer-hook after-find-file)
   :config
-  (setq undo-tree-auto-save-history t
+  (setq undo-tree-auto-save-history nil ; disable because unstable
         ;; undo-in-region is known to cause undo history corruption, which can
         ;; be very destructive! Disabling it deters the error, but does not fix
         ;; it entirely!