From f64ba6ea422f9e85fb661ec1ec62ca6eef7c33c3 Mon Sep 17 00:00:00 2001
From: Jim Blandy <jimb@redhat.com>
Date: Wed, 19 May 1993 00:19:16 +0000
Subject: [PATCH] * xfns.c (x_set_menu_bar_lines): Minibuffer-only frames can't
 have 	menu bars.

---
 src/xfns.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/xfns.c b/src/xfns.c
index 9b9ecab6f3c..3e272cae31f 100644
--- a/src/xfns.c
+++ b/src/xfns.c
@@ -895,6 +895,13 @@ x_set_menu_bar_lines (f, value, oldval)
   int nlines;
   int olines = FRAME_MENU_BAR_LINES (f);
 
+  /* Right now, menu bars don't work properly in minibuf-only frames;
+     most of the commands try to apply themselves to the minibuffer
+     frame itslef, and get an error because you can't switch buffers
+     in or split the minibuffer window.  */
+  if (FRAME_MINBUF_ONLY_P (f))
+    return;
+
   if (XTYPE (value) == Lisp_Int)
     nlines = XINT (value);
   else