From beb403b379ac05a7921ebe4ba58ed0e9dc9acfbd Mon Sep 17 00:00:00 2001
From: "Richard M. Stallman" <rms@gnu.org>
Date: Thu, 19 Dec 1996 17:05:37 +0000
Subject: [PATCH] (x_set_title): Check data type of NAME.

---
 src/xfns.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/xfns.c b/src/xfns.c
index 169a47e4b81..2952da07878 100644
--- a/src/xfns.c
+++ b/src/xfns.c
@@ -1877,6 +1877,8 @@ x_set_title (f, name)
 
   if (NILP (name))
     name = f->name;
+  else
+    CHECK_STRING (name, 0);
 
   if (FRAME_X_WINDOW (f))
     {
-- 
2.39.5