patch 9.1.1485: missing Wayland clipboard support

Problem:  missing Wayland clipboard support
Solution: make it work (Foxe Chen)

fixes: #5157
closes: #17097

Signed-off-by: Foxe Chen <chen.foxe@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/doc/starting.txt b/runtime/doc/starting.txt
index ccedc1a..7d3cd2b 100644
--- a/runtime/doc/starting.txt
+++ b/runtime/doc/starting.txt
@@ -1,4 +1,4 @@
-*starting.txt*  For Vim version 9.1.  Last change: 2025 Feb 27
+*starting.txt*  For Vim version 9.1.  Last change: 2025 Jun 27
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -559,6 +559,12 @@
 		client-server messages), call the |serverlist()| function.
 		This does not enable the XSMP handler though.
 
+							*-Y*
+-Y		Do not try connecting to the Wayland compositor. Is only
+		relevant for Unix when compiled with the |+wayland| feature,
+		otherwise it's ignored. Note that this will make any feature
+		that uses Wayland unavailable, such as the clipboard.
+
 							*-s*
 -s {scriptin}	The script file "scriptin" is read.  The characters in the
 		file are interpreted as if you had typed them.  The same can