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/windows.txt b/runtime/doc/windows.txt
index cd39dac..c288377 100644
--- a/runtime/doc/windows.txt
+++ b/runtime/doc/windows.txt
@@ -1358,6 +1358,7 @@
< The buffer name is the name of the directory and is adjusted
when using the |:cd| command.
+ *scratch-buffer*
scratch Contains text that can be discarded at any time. It is kept
when closing the window, it must be deleted explicitly.
Settings: >