patch 9.0.0288: when 'cmdheight' is zero some messages are not displayed
Problem: When 'cmdheight' is zero some messages are not displayed.
Solution: Use a popup notification window.
diff --git a/runtime/doc/options.txt b/runtime/doc/options.txt
index 116bb2a..1aa5c2c 100644
--- a/runtime/doc/options.txt
+++ b/runtime/doc/options.txt
@@ -1789,9 +1789,11 @@
page can have a different value.
When 'cmdheight' is zero, there is no command-line unless it is being
- used. Some informative messages will not be displayed, any other
- messages will cause the |hit-enter| prompt. Expect some other
- unexpected behavior too.
+ used. Informative messages will be displayed in a popup notification
+ window at the bottom if the window, using the MessageWindow highlight
+ group {only if compiled with the +popupwin and +timers features},
+ otherwise they will not be displayed. Other messages will cause the
+ |hit-enter| prompt. Expect some other unexpected behavior too.
*'cmdwinheight'* *'cwh'*
'cmdwinheight' 'cwh' number (default 7)