runtime(doc): Update help for Wayland support

Signed-off-by: Christian Brabandt <cb@256bit.org>

runtime/doc/gui_x11.txt

@@ -1,4 +1,4 @@
-*gui_x11.txt*   For Vim version 9.1.  Last change: 2022 Apr 03
+*gui_x11.txt*   For Vim version 9.1.  Last change: 2024 Jan 30
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -580,7 +580,8 @@ command line argument).
 							*gui-x11-kde*
 There is no KDE version of Vim.  There has been some work on a port using the
 Qt toolkit, but it never worked properly and it has been abandoned.  Work
-continues on Yzis: https://github.com/chrizel/Yzis.
+continues on Yzis: https://github.com/chrizel/Yzis but it seems also
+abandoned.
 
 ==============================================================================
 8. Compiling						*gui-x11-compiling*
@@ -647,6 +648,15 @@ versions.  This will cause problems.  For example, using header files for
 X11R5 with a library for X11R6 probably doesn't work (although the linking
 won't give an error message, Vim will crash later).
 
+							*gui-wayland*
+Initial support for the Wayland display server protocol has landed in patch
+9.0.0064. To enable it, you need to set the environment variable
+"$GVIM_ENABLE_WAYLAND" in your shell.
+
+Note: The Wayland protocol is subject to some restrictions, so the following
+functions won't work: |getwinpos()|, |getwinposx()|, |getwinposy()| and the
+|v:windowid| variable won't be available.
+
 ==============================================================================
 9. X11 selection mechanism				*x11-selection*
 

runtime/doc/options.txt

@@ -1,4 +1,4 @@
-*options.txt*	For Vim version 9.1.  Last change: 2024 Jan 17
+*options.txt*	For Vim version 9.1.  Last change: 2024 Jan 30
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -8581,8 +8581,11 @@ A jump table for the options with a short description can be found at |Q_op|.
 	will not work (except in the GUI).
 	If the title cannot be restored, it is set to the value of 'titleold'.
 	You might want to restore the title outside of Vim then.
-	When using an xterm from a remote machine you can use this command:
+	When using an xterm from a remote machine you can use this command: >
+
 	    rsh machine_name xterm -display $DISPLAY &
+	    ssh -X machine_name xterm &
+<
 	then the WINDOWID environment variable should be inherited and the
 	title of the window should change back to what it should be after
 	exiting Vim.

runtime/doc/tags

@@ -7869,6 +7869,7 @@ gui-w32-start	gui_w32.txt	/*gui-w32-start*
 gui-w32-various	gui_w32.txt	/*gui-w32-various*
 gui-w32-windowid	gui_w32.txt	/*gui-w32-windowid*
 gui-w32s	os_win32.txt	/*gui-w32s*
+gui-wayland	gui_x11.txt	/*gui-wayland*
 gui-win32-maximized	gui_w32.txt	/*gui-win32-maximized*
 gui-x11	gui_x11.txt	/*gui-x11*
 gui-x11-athena	gui_x11.txt	/*gui-x11-athena*