From dfc21db0b0f9c61d66aeefc02ec4c06ec645bd09 Mon Sep 17 00:00:00 2001
From: Ernie Rael <errael@raelity.com>
Date: Mon, 10 Jun 2024 18:12:07 +0200
Subject: [PATCH] runtime(termdebug): fix mousemodel restoration by comparing
 against null_string

closes: #14951

Signed-off-by: Ernie Rael <errael@raelity.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
---
 runtime/pack/dist/opt/termdebug/plugin/termdebug.vim | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/runtime/pack/dist/opt/termdebug/plugin/termdebug.vim b/runtime/pack/dist/opt/termdebug/plugin/termdebug.vim
index 26c266598d..9d0f1ef205 100644
--- a/runtime/pack/dist/opt/termdebug/plugin/termdebug.vim
+++ b/runtime/pack/dist/opt/termdebug/plugin/termdebug.vim
@@ -109,7 +109,7 @@ var winbar_winids = []
 var plus_map_saved = {}
 var minus_map_saved = {}
 var k_map_saved = {}
-var saved_mousemodel = ''
+var saved_mousemodel = null_string
 
 
 # Need either the +terminal feature or +channel and the prompt buffer.
@@ -1220,7 +1220,7 @@ def DeleteCommands()
     win_gotoid(curwinid)
     winbar_winids = []
 
-    if saved_mousemodel != ''
+    if saved_mousemodel isnot null_string
       &mousemodel = saved_mousemodel
       saved_mousemodel = null_string
       try