patch 8.2.3578: manipulating highlighting is complicated
Problem: Manipulating highlighting is complicated.
Solution: Add the hlget() and hlset() functions. (Yegappan Lakshmanan,
closes #9039)
diff --git a/runtime/doc/syntax.txt b/runtime/doc/syntax.txt
index 1c20659..9d4ea39 100644
--- a/runtime/doc/syntax.txt
+++ b/runtime/doc/syntax.txt
@@ -4849,6 +4849,7 @@
:hi[ghlight] {group-name}
List one highlight group.
+ *highlight-clear*
:hi[ghlight] clear Reset all highlighting to the defaults. Removes all
highlighting for groups added by the user!
Uses the current value of 'background' to decide which