From 72c525d5675bc017fa52bcc74a394db7d01e6359 Mon Sep 17 00:00:00 2001
From: Luuk van Baal <luukvbaal@gmail.com>
Date: Thu, 27 Apr 2023 02:54:51 +0200
Subject: vim-patch:9.0.0758: "precedes" from 'listchars' overwritten by <<<

Problem:    "precedes" from 'listchars' overwritten by <<< for 'smoothscroll'.
Solution:   Keep the "precedes" character.

https://github.com/vim/vim/commit/13cdde39520220bb856cba16626327c706752b51

Co-authored-by: Bram Moolenaar <Bram@vim.org>
---
 test/functional/legacy/scroll_opt_spec.lua | 32 ++++++++++++++++++++++++++++++
 test/old/testdir/test_scroll_opt.vim       | 25 +++++++++++++++++++++++
 2 files changed, 57 insertions(+)

(limited to 'test')

diff --git a/test/functional/legacy/scroll_opt_spec.lua b/test/functional/legacy/scroll_opt_spec.lua
index 5e54470bd4..b5a571d8b5 100644
--- a/test/functional/legacy/scroll_opt_spec.lua
+++ b/test/functional/legacy/scroll_opt_spec.lua
@@ -294,6 +294,38 @@ describe('smoothscroll', function()
     ]])
   end)
 
+  -- oldtest: Test_smoothscroll_list()
+  it("works with list mode", function()
+    screen:try_resize(40, 8)
+    exec([[
+      set smoothscroll scrolloff=0
+      set list
+      call setline(1, [ 'one', 'very long text '->repeat(12), 'three', ])
+      exe "normal 2Gzt\<C-E>"
+    ]])
+    screen:expect([[
+      <<<t very long text very long text very |
+      ^long text very long text very long text |
+      very long text very long text very long |
+      text very long text-                    |
+      three                                   |
+      ~                                       |
+      ~                                       |
+                                              |
+    ]])
+    exec('set listchars+=precedes:#')
+    screen:expect([[
+      #ext very long text very long text very |
+      ^long text very long text very long text |
+      very long text very long text very long |
+      text very long text-                    |
+      three                                   |
+      ~                                       |
+      ~                                       |
+                                              |
+    ]])
+  end)
+
   -- oldtest: Test_smoothscroll_diff_mode()
   it("works with diff mode", function()
     screen:try_resize(40, 8)
diff --git a/test/old/testdir/test_scroll_opt.vim b/test/old/testdir/test_scroll_opt.vim
index c394c6adf8..423cba76bf 100644
--- a/test/old/testdir/test_scroll_opt.vim
+++ b/test/old/testdir/test_scroll_opt.vim
@@ -172,6 +172,31 @@ func Test_smoothscroll_number()
   call StopVimInTerminal(buf)
 endfunc
 
+func Test_smoothscroll_list()
+  CheckScreendump
+
+  let lines =<< trim END
+      vim9script
+      set smoothscroll scrolloff=0
+      set list
+      setline(1, [
+        'one',
+        'very long text '->repeat(12),
+        'three',
+      ])
+      exe "normal 2Gzt\<C-E>"
+  END
+  call writefile(lines, 'XSmoothList', 'D')
+  let buf = RunVimInTerminal('-S XSmoothList', #{rows: 8, cols: 40})
+
+  call VerifyScreenDump(buf, 'Test_smooth_list_1', {})
+
+  call term_sendkeys(buf, ":set listchars+=precedes:#\<CR>")
+  call VerifyScreenDump(buf, 'Test_smooth_list_2', {})
+
+  call StopVimInTerminal(buf)
+endfunc
+
 func Test_smoothscroll_diff_mode()
   CheckScreendump
 
-- 
cgit