patch 9.0.2183: Maximum callback depth is not configurable

Problem:  Maximum callback depth is not configurable.
Solution: Revert patch 9.0.2103.  Set 'maxfuncdepth' in test.
          (zeertzjq)

fixes: #13732
closes: #13736

Signed-off-by: zeertzjq <zeertzjq@outlook.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/doc/message.txt b/runtime/doc/message.txt
index f8a9fdf..92a8e3c 100644
--- a/runtime/doc/message.txt
+++ b/runtime/doc/message.txt
@@ -1,4 +1,4 @@
-*message.txt*   For Vim version 9.0.  Last change: 2023 Nov 08
+*message.txt*   For Vim version 9.0.  Last change: 2023 Dec 20
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -135,8 +135,6 @@
 command, etc.  The limit is 200 or the value of 'maxfuncdepth', whatever is
 larger.  When it's more there probably is an endless loop.  Probably a
 |:execute| or |:source| command is involved.
-Can also happen with a recursive callback function (|job-callback|).
-A limit of 20 is used here.
 
 							*E254*
   Cannot allocate color {name} ~
diff --git a/runtime/doc/options.txt b/runtime/doc/options.txt
index 54ee56f..34059e0 100644
--- a/runtime/doc/options.txt
+++ b/runtime/doc/options.txt
@@ -1,4 +1,4 @@
-*options.txt*	For Vim version 9.0.  Last change: 2023 Dec 16
+*options.txt*	For Vim version 9.0.  Last change: 2023 Dec 20
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -5477,6 +5477,7 @@
 	Increasing this limit above 200 also changes the maximum for Ex
 	command recursion, see |E169|.
 	See also |:function|.
+	Also used for maximum depth of callback functions.
 
 						*'maxmapdepth'* *'mmd'* *E223*
 'maxmapdepth' 'mmd'	number	(default 1000)