From: Richard M. Stallman <rms@gnu.org>
Date: Sat, 12 Jul 1997 06:47:19 +0000 (+0000)
Subject: (message2_nolog): Don't call fwrite will null string.
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(message2_nolog): Don't call fwrite will null string.
---

diff --git a/src/xdisp.c b/src/xdisp.c
index 65b4c2c26e8..a1fad6a504d 100644
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@ -418,7 +418,8 @@ message2_nolog (m, len)
       if (noninteractive_need_newline)
 	putc ('\n', stderr);
       noninteractive_need_newline = 0;
-      fwrite (m, len, 1, stderr);
+      if (m)
+	fwrite (m, len, 1, stderr);
       if (cursor_in_echo_area == 0)
 	fprintf (stderr, "\n");
       fflush (stderr);