patch 9.2.0406: VisualNOS not used when Wayland selection ownership lost

Problem:  VisualNOS not used when Wayland selection ownership lost
          (lilydjwg)
Solution: Don't require X_DISPLAY != NULL to use VisualNOS
          (Shane Harper).

fixes:   #19914
related: #19812
related: #19659
closes:  #20066

Signed-off-by: Shane Harper <shane@shaneharper.net>
Signed-off-by: Christian Brabandt <cb@256bit.org>

runtime/doc/syntax.txt

@@ -1,4 +1,4 @@
-*syntax.txt*	For Vim version 9.2.  Last change: 2026 Apr 23
+*syntax.txt*	For Vim version 9.2.  Last change: 2026 Apr 27
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -6155,7 +6155,8 @@ TitleBarNC	Title bar for inactive Gui's window.
 Visual		Visual mode selection.
 							*hl-VisualNOS*
 VisualNOS	Visual mode selection when vim is "Not Owning the Selection".
-		Only X11 Gui's |gui-x11| and |xterm-clipboard| supports this.
+		Only X11 Gui's |gui-x11|, |xterm-clipboard| and |wayland-selections|
+		supports this.
 							*hl-WarningMsg*
 WarningMsg	Warning messages.
 							*hl-WildMenu*

src/drawline.c

@@ -1464,12 +1464,11 @@ win_line(
 	    {
 		area_highlighting = TRUE;
 		vi_attr = HL_ATTR(HLF_V);
-#if defined(FEAT_CLIPBOARD) && defined(FEAT_X11)
-		if (X_DISPLAY &&
-			((clip_star.available && !clip_star.owned
+#if defined(FEAT_CLIPBOARD) && (defined(FEAT_X11) || defined(FEAT_WAYLAND_CLIPBOARD))
+		if ((clip_star.available && !clip_star.owned
 						    && clip_isautosel_star())
-			    || (clip_plus.available && !clip_plus.owned
-						    && clip_isautosel_plus())))
+			|| (clip_plus.available && !clip_plus.owned
+						    && clip_isautosel_plus()))
 		    vi_attr = HL_ATTR(HLF_VNC);
 #endif
 	    }

src/version.c

@@ -729,6 +729,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    406,
 /**/
     405,
 /**/