patch 8.1.2019: 'cursorline' always highlights the whole line
Problem: 'cursorline' always highlights the whole line.
Solution: Add 'cursorlineopt' to specify what is highlighted.
(closes #4693)
diff --git a/runtime/doc/quickref.txt b/runtime/doc/quickref.txt
index 90e76f2..bfc387e 100644
--- a/runtime/doc/quickref.txt
+++ b/runtime/doc/quickref.txt
@@ -670,6 +670,7 @@
'cursorbind' 'crb' move cursor in window as it moves in other windows
'cursorcolumn' 'cuc' highlight the screen column of the cursor
'cursorline' 'cul' highlight the screen line of the cursor
+'cursorlineopt' 'culopt' settings for 'cursorline'
'debug' set to "msg" to see all error messages
'define' 'def' pattern to be used to find a macro definition
'delcombine' 'deco' delete combining characters on their own