patch 8.1.0746: highlighting not updated with conceal and 'cursorline'
Problem: Highlighting not updated with conceal and 'cursorline'. (Jason
Franklin)
Solution: Do not use a zero line number. Check if 'conceallevel' is set for
the current window.
diff --git a/src/testdir/dumps/Test_conceal_cul_01.dump b/src/testdir/dumps/Test_conceal_cul_01.dump
new file mode 100644
index 0000000..6d698d1
--- /dev/null
+++ b/src/testdir/dumps/Test_conceal_cul_01.dump
@@ -0,0 +1,20 @@
+|o+0&#ffffff0|n|e| @71
+|t|w|o| @71
+>t+8&&|h|r|e@1| @69
+|f+0&&|o|u|r| @70
+|f|i|v|e| @70
+|~+0#4040ff13&| @73
+|~| @73
+|~| @73
+|~| @73
+|[+3#0000000&|N|o| |N|a|m|e|]| |[|+|]| @43|3|,|1| @11|A|l@1
+| +0&&@74
+|t+8&&|h|i|s| |i|s| |a| |t|e|s|t| @60
+|~+0#4040ff13&| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|[+1#0000000&|N|o| |N|a|m|e|]| |[|+|]| @43|2|,|1|4| @10|A|l@1
+| +0&&@74
diff --git a/src/testdir/dumps/Test_conceal_cul_02.dump b/src/testdir/dumps/Test_conceal_cul_02.dump
new file mode 100644
index 0000000..46b296c
--- /dev/null
+++ b/src/testdir/dumps/Test_conceal_cul_02.dump
@@ -0,0 +1,20 @@
+|o+0&#ffffff0|n|e| @71
+|t|w|o| @71
+|t+8&&|h|r|e@1| @69
+|f+0&&|o|u|r| @70
+|f|i|v|e| @70
+|~+0#4040ff13&| @73
+|~| @73
+|~| @73
+|~| @73
+|[+1#0000000&|N|o| |N|a|m|e|]| |[|+|]| @43|3|,|1| @11|A|l@1
+| +0&&@74
+|t+8&&|h|i|s| |i|s| |a| |t|e|s>t| @60
+|~+0#4040ff13&| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|[+3#0000000&|N|o| |N|a|m|e|]| |[|+|]| @43|2|,|1|4| @10|A|l@1
+|:+0&&|w|i|n|c|m|d| |w| @65
diff --git a/src/testdir/dumps/Test_conceal_cul_03.dump b/src/testdir/dumps/Test_conceal_cul_03.dump
new file mode 100644
index 0000000..275f35c
--- /dev/null
+++ b/src/testdir/dumps/Test_conceal_cul_03.dump
@@ -0,0 +1,20 @@
+|o+0&#ffffff0|n|e| @71
+|t|w|o| @71
+|t+8&&|h|r|e@1| @69
+|f+0&&|o|u|r| @70
+|f|i|v|e| @70
+|~+0#4040ff13&| @73
+|~| @73
+|~| @73
+|~| @73
+|[+1#0000000&|N|o| |N|a|m|e|]| |[|+|]| @43|3|,|1| @11|A|l@1
+> +8&&@74
+|t+0&&|h|i|s| |i|s| |a| |t|e|s|t| @60
+|~+0#4040ff13&| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|[+3#0000000&|N|o| |N|a|m|e|]| |[|+|]| @43|1|,|0|-|1| @9|A|l@1
+|:+0&&|w|i|n|c|m|d| |w| @65
diff --git a/src/testdir/test_conceal.vim b/src/testdir/test_conceal.vim
index 4a053875..685c891 100644
--- a/src/testdir/test_conceal.vim
+++ b/src/testdir/test_conceal.vim
@@ -109,3 +109,28 @@
call StopVimInTerminal(buf)
call delete('XTest_conceal')
endfunc
+
+func Test_conceal_with_cursorline()
+ " Opens a help window, where 'conceal' is set, switches to the other window
+ " where 'cursorline' needs to be updated when the cursor moves.
+ call writefile([
+ \ 'set cursorline',
+ \ 'normal othis is a test',
+ \ 'new',
+ \ 'call setline(1, ["one", "two", "three", "four", "five"])',
+ \ 'set ft=help',
+ \ 'normal M',
+ \ ], 'XTest_conceal_cul')
+ let buf = RunVimInTerminal('-S XTest_conceal_cul', {})
+ call VerifyScreenDump(buf, 'Test_conceal_cul_01', {})
+
+ call term_sendkeys(buf, ":wincmd w\r")
+ call VerifyScreenDump(buf, 'Test_conceal_cul_02', {})
+
+ call term_sendkeys(buf, "k")
+ call VerifyScreenDump(buf, 'Test_conceal_cul_03', {})
+
+ " clean up
+ call StopVimInTerminal(buf)
+ call delete('XTest_conceal_cul')
+endfunc