From: Eli Zaretskii <eliz@gnu.org>
Date: Sun, 28 Sep 2003 20:49:19 +0000 (+0000)
Subject: (tty_setup_colors): Treat any negative argument as -1.
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(tty_setup_colors): Treat any negative argument as -1.
---

diff --git a/src/term.c b/src/term.c
index dba6b0e4a52..8e4eb21c362 100644
--- a/src/term.c
+++ b/src/term.c
@@ -2066,6 +2066,10 @@ void
 tty_setup_colors (mode)
      int mode;
 {
+  /* Canonicalize all negative values of MODE.  */
+  if (mode < -1)
+    mode = -1;
+
   switch (mode)
     {
       case -1:	 /* no colors at all */