patch 9.0.0758: "precedes" from 'listchars' overwritten by <<<
Problem: "precedes" from 'listchars' overwritten by <<< for 'smoothscroll'.
Solution: Keep the "precedes" character.
diff --git a/src/testdir/dumps/Test_smooth_list_1.dump b/src/testdir/dumps/Test_smooth_list_1.dump
new file mode 100644
index 0000000..b155df2
--- /dev/null
+++ b/src/testdir/dumps/Test_smooth_list_1.dump
@@ -0,0 +1,8 @@
+|<+0#4040ff13#ffffff0@2|t+0#0000000&| |v|e|r|y| |l|o|n|g| |t|e|x|t| |v|e|r|y| |l|o|n|g| |t|e|x|t| |v|e|r|y|
+>l|o|n|g| |t|e|x|t| |v|e|r|y| |l|o|n|g| |t|e|x|t| |v|e|r|y| |l|o|n|g| |t|e|x|t|
+|v|e|r|y| |l|o|n|g| |t|e|x|t| |v|e|r|y| |l|o|n|g| |t|e|x|t| |v|e|r|y| |l|o|n|g|
+|t|e|x|t| |v|e|r|y| |l|o|n|g| |t|e|x|t| |$+0#4040ff13&| +0#0000000&@18
+|t|h|r|e@1|$+0#4040ff13&| +0#0000000&@33
+|~+0#4040ff13&| @38
+|~| @38
+| +0#0000000&@21|2|,|8|1| @9|B|o|t|
diff --git a/src/testdir/dumps/Test_smooth_list_2.dump b/src/testdir/dumps/Test_smooth_list_2.dump
new file mode 100644
index 0000000..82d17b4
--- /dev/null
+++ b/src/testdir/dumps/Test_smooth_list_2.dump
@@ -0,0 +1,8 @@
+|#+0#4040ff13#ffffff0|e+0#0000000&|x|t| |v|e|r|y| |l|o|n|g| |t|e|x|t| |v|e|r|y| |l|o|n|g| |t|e|x|t| |v|e|r|y|
+>l|o|n|g| |t|e|x|t| |v|e|r|y| |l|o|n|g| |t|e|x|t| |v|e|r|y| |l|o|n|g| |t|e|x|t|
+|v|e|r|y| |l|o|n|g| |t|e|x|t| |v|e|r|y| |l|o|n|g| |t|e|x|t| |v|e|r|y| |l|o|n|g|
+|t|e|x|t| |v|e|r|y| |l|o|n|g| |t|e|x|t| |$+0#4040ff13&| +0#0000000&@18
+|t|h|r|e@1|$+0#4040ff13&| +0#0000000&@33
+|~+0#4040ff13&| @38
+|~| @38
+|:+0#0000000&|s|e|t| |l|i|s|t|c|h|a|r|s|+|=|p|r|e|c|e|d|2|,|8|1| @9|B|o|t|
diff --git a/src/testdir/test_scroll_opt.vim b/src/testdir/test_scroll_opt.vim
index 19c753d..aba8603 100644
--- a/src/testdir/test_scroll_opt.vim
+++ b/src/testdir/test_scroll_opt.vim
@@ -155,6 +155,31 @@
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