patch 9.0.0321: cannot use the message popup window directly
Problem: Cannot use the message popup window directly.
Solution: Add ":echowindow".
diff --git a/runtime/doc/eval.txt b/runtime/doc/eval.txt
index 5947703..9ac4942 100644
--- a/runtime/doc/eval.txt
+++ b/runtime/doc/eval.txt
@@ -3821,6 +3821,16 @@
:echomsg "It's a Zizzer Zazzer Zuzz, as you can plainly see."
< See |:echo-redraw| to avoid the message disappearing
when the screen is redrawn.
+
+ *:echow* *:echowin* *:echowindow*
+:echow[indow] {expr1} ..
+ Like |:echomsg| but when the messages popup window is
+ available the message is displayed there. This means
+ it will show for three seconds and avoid a
+ |hit-enter| prompt.
+ The message window is available when Vim was compiled
+ with the +timer and the +popupwin features.
+
*:echoe* *:echoerr*
:echoe[rr] {expr1} .. Echo the expression(s) as an error message, saving the
message in the |message-history|. When used in a