From bf9d3e4bf8d3905abfc5007210fb426951d404a1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mathias=20Fu=C3=9Fenegger?=
 <mfussenegger@users.noreply.github.com>
Date: Tue, 8 Jul 2025 02:42:45 +0200
Subject: [PATCH] fix(prompt): lnum update via nvim_buf_set_lines if buf !=
 curbuf #34833

Fixes the case from https://github.com/neovim/neovim/issues/34561#issuecomment-3031536581
---
 src/nvim/mark.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/nvim/mark.c b/src/nvim/mark.c
index d2719220f5..71fc119343 100644
--- a/src/nvim/mark.c
+++ b/src/nvim/mark.c
@@ -1232,7 +1232,7 @@ void mark_adjust_buf(buf_T *buf, linenr_T line1, linenr_T line2, linenr_T amount
     }
 
     // on prompt buffer adjust the last prompt start location mark
-    if (bt_prompt(curbuf)) {
+    if (bt_prompt(buf)) {
       ONE_ADJUST_NODEL(&(buf->b_prompt_start.mark.lnum));
     }