From 5ea5c99c58ea9e71e9239366a6faf78aa20ecb0d Mon Sep 17 00:00:00 2001
From: Maxime Coste <mawww@kakoune.org>
Date: Sun, 21 Jan 2024 10:24:08 +1100
Subject: Fix using invalid strings for undo content strings

The code was wrongly using the write_it instead of the read_it to
access the removed lines content.

Fixes #5088
---
 src/buffer.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/buffer.cc')

diff --git a/src/buffer.cc b/src/buffer.cc
index b9335322..7054e6b8 100644
--- a/src/buffer.cc
+++ b/src/buffer.cc
@@ -261,7 +261,7 @@ void Buffer::reload(BufferLines lines, ByteOrderMark bom, EolFormat eolformat, F
                 for (LineCount line = len-1; line >= 0; --line)
                     m_current_undo_group.push_back({
                         Modification::Erase, cur_line + line,
-                        m_lines.get_storage(cur_line + line)});
+                        *(read_it + (size_t)line)});
 
                 read_it += len;
                 m_changes.push_back({ Change::Erase, cur_line, cur_line + len });
-- 
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