Commit: patch 9.1.1870: :Tutor may not work as expected

[Christian Brabandt]

patch 9.1.1870: :Tutor may not work as expected

Commit: https://github.com/vim/vim/commit/9978bb77c68c2afa056b7c1ec0fa9d9648cb1960
Author: Phạm Bình An <phambinh...@gmail.com>
Date: Sat Oct 25 03:31:27 2025 +0000

patch 9.1.1870: :Tutor may not work as expected

Problem: :Tutor may not work as expected
Solution: set buftype=nowrite instead of nofile
(Phạm Bình An)

closes: #18613

Signed-off-by: Phạm Bình An <phambinh...@gmail.com>
Signed-off-by: Christian Brabandt <c...@256bit.org>

diff --git a/runtime/autoload/tutor.vim b/runtime/autoload/tutor.vim
index b21e20f81..c3b5df37d 100644
--- a/runtime/autoload/tutor.vim
+++ b/runtime/autoload/tutor.vim
@@ -211,7 +211,7 @@ function! tutor#TutorCmd(tutor_name)
endif

call tutor#SetupVim()
- exe "edit ".l:to_open
+ exe "drop ".l:to_open
call tutor#EnableInteractive(v:true)
endfunction

@@ -225,7 +225,7 @@ endfunction
function! tutor#EnableInteractive(enable)
let enable = a:enable
if enable
- setlocal buftype=nofile
+ setlocal buftype=nowrite
setlocal concealcursor+=inv
setlocal conceallevel=2
call tutor#ApplyMarks()
diff --git a/src/testdir/test_plugin_tutor.vim b/src/testdir/test_plugin_tutor.vim
index da97fcf5c..65371ca06 100644
--- a/src/testdir/test_plugin_tutor.vim
+++ b/src/testdir/test_plugin_tutor.vim
@@ -10,7 +10,7 @@ endfunc

func Test_auto_enable_interactive()
Tutor
- call assert_equal('nofile', &buftype)
+ call assert_equal('nowrite', &buftype)
call assert_match('tutor#EnableInteractive', b:undo_ftplugin)

edit Xtutor/Xtest.tutor
diff --git a/src/version.c b/src/version.c
index 3001dbd1c..2d768c8f8 100644
--- a/src/version.c
+++ b/src/version.c
@@ -734,6 +734,8 @@ static char *(features[]) =

static int included_patches[] =
{ /* Add new patch number below this line */
+/**/
+ 1870,
/**/
1869,
/**/