patch 9.1.0910: 'messagesopt' does not check max wait time

Problem:  'messagesopt' does not check max wait time
          (after v9.1.0908)
Solution: Check for max wait value
          (Shougo Matsushita)

closes: #16183

Signed-off-by: Shougo Matsushita <Shougo.Matsu@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>

runtime/doc/options.txt

@@ -1,4 +1,4 @@
-*options.txt*	For Vim version 9.1.  Last change: 2024 Dec 06
+*options.txt*	For Vim version 9.1.  Last change: 2024 Dec 07
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -5649,6 +5649,7 @@ A jump table for the options with a short description can be found at |Q_op|.
 			milliseconds so the user has a chance to read the
 			message, use 0 to disable sleep (but then the user may
 			miss an important message).
+			The maximum value is 10000.
 
 	history:{n}	Determines how many entries are remembered in the
 			|:messages| history.  The maximum value is 10000.

src/message.c

@@ -1137,6 +1137,10 @@ messagesopt_changed(void)
     if (messages_history_new > 10000)
         return FAIL;
 
+    // "wait" must be <= 10000
+    if (messages_wait_new > 10000)
+        return FAIL;
+
     msg_flags = messages_flags_new;
     msg_wait = messages_wait_new;
 

src/testdir/gen_opt_test.vim

@@ -236,7 +236,8 @@ let test_values = {
       \		'history:100,wait:100', 'history:0,wait:0',
       \		'hit-enter,history:1,wait:1'],
       \		['xxx', 'history:500', 'hit-enter,history:-1',
-      \		'hit-enter,history:10001', 'hit-enter']],
+      \		'hit-enter,history:10001', 'history:0,wait:10001',
+      \		'hit-enter']],
       \ 'mkspellmem': [['10000,100,12'], ['', 'xxx', '10000,100']],
       \ 'mouse': [['', 'n', 'v', 'i', 'c', 'h', 'a', 'r', 'nvi'],
       \		['xxx', 'n,v,i']],

src/version.c

@@ -704,6 +704,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    910,
 /**/
     909,
 /**/