patch 9.1.0277: Cannot highlight the Command-line

Problem:  Cannot highlight the Command-line
Solution: Add the MsgArea highlighting group
          (Shougo Matsushita)

closes: #14327

Signed-off-by: Shougo Matsushita <Shougo.Matsu@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/doc/version9.txt b/runtime/doc/version9.txt
index 587cdd5..30fd791 100644
--- a/runtime/doc/version9.txt
+++ b/runtime/doc/version9.txt
@@ -1,4 +1,4 @@
-*version9.txt*  For Vim version 9.1.  Last change: 2024 Mar 28
+*version9.txt*  For Vim version 9.1.  Last change: 2024 Apr 08
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -41581,6 +41581,10 @@
 |WinNewPre|		before creating a new window
 
 
+Highlighting: ~
+
+|hl-MsgArea|		highlighting of the Command-line and messages area.
+
 Commands: ~