patch 9.1.0572: cannot specify tab page closing behaviour

Problem:  cannot specify tab page closing behaviour
          (Gianluca Pacchiella)
Solution: Add the 'tabclose' option (LemonBoy).

fixes: #5967
closes: #15204

Signed-off-by: LemonBoy <thatlemon@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/doc/version9.txt b/runtime/doc/version9.txt
index 7a2cbe4..3b719eb 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 Jul 11
+*version9.txt*  For Vim version 9.1.  Last change: 2024 Jul 12
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -41632,6 +41632,7 @@
 Options: ~
 
 'winfixbuf'		Keep buffer focused in a window
+'tabclose'		Which tab page to focus after closing a tab page
 't_xo'			Terminal uses XON/XOFF handshaking (e.g. vt420)
 't_CF'			Support for alternate font highlighting terminal code