From c5e02f73cdebc11afc5f2f62060c29db24878ed7 Mon Sep 17 00:00:00 2001
From: Eli Zaretskii <eliz@gnu.org>
Date: Sat, 18 Mar 2006 13:48:33 +0000
Subject: [PATCH] (main): If user asks for a display that is unavailable,
 simulate -nw.

---
 src/emacs.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/emacs.c b/src/emacs.c
index 846bfc7e453..259c8c3381e 100644
--- a/src/emacs.c
+++ b/src/emacs.c
@@ -53,6 +53,10 @@ Boston, MA 02110-1301, USA.  */
 #include "buffer.h"
 #include "window.h"
 
+#ifdef HAVE_X_WINDOWS
+#include "xterm.h"
+#endif
+
 #include "systty.h"
 #include "blockinput.h"
 #include "syssignal.h"
@@ -1482,6 +1486,14 @@ main (argc, argv
 
     /* Don't actually discard this arg.  */
     skip_args = count_before;
+
+    /* Do not be lenient if the user explicitly asked for a named display.  */
+    if (display_arg != 1 && !x_display_ok (displayname))
+      {
+	fprintf (stderr, "Display %s unavailable, simulating -nw\n",
+		 displayname);
+	inhibit_window_system = 1;
+      }
   }
 #endif
 
-- 
2.39.2