From 67fba9affa14f2f3cd30371568c01d39f3e5f4d4 Mon Sep 17 00:00:00 2001
From: David Moberg <kaddkaka@gmail.com>
Date: Thu, 31 Aug 2023 03:18:39 +0200
Subject: fix(runtime/tutor): don't try to close fold when there is none
 (#24953)

Problem: When double clicking a line starting with a #, the code assumes
there is a fold there and tries to close it, resulting in an error if
there isn't a fold.
Solution: Check foldlevel before performing "zc".
---
 runtime/autoload/tutor.vim | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'runtime')

diff --git a/runtime/autoload/tutor.vim b/runtime/autoload/tutor.vim
index 4da4213826..80c09488d5 100644
--- a/runtime/autoload/tutor.vim
+++ b/runtime/autoload/tutor.vim
@@ -29,7 +29,7 @@ function! tutor#MouseDoubleClick()
     if foldclosed(line('.')) > -1
         normal! zo
     else
-        if match(getline('.'), '^#\{1,} ') > -1
+        if match(getline('.'), '^#\{1,} ') > -1 && foldlevel(line('.')) > 0
             silent normal! zc
         else
             call tutor#FollowLink(0)
-- 
cgit