From 129d30e980754547cf7264c93dabb883eaff7c63 Mon Sep 17 00:00:00 2001
From: Thien-Thi Nguyen <ttn@gnu.org>
Date: Fri, 17 Mar 2017 10:16:44 +0100
Subject: [PATCH] =?utf8?q?Fix=20bug:=20Range-check=20integer=20=E2=80=98al?=
 =?utf8?q?pha=E2=80=99=20frame=20parm=20value?=
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Typo introduced 2013-04-01, "Prefer < to >
in range checks such as 0 <= i && i < N".

* src/frame.c (x_set_alpha): Use ‘ialpha’, not ‘alpha’.
---
 src/frame.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/frame.c b/src/frame.c
index 74588cea702..4089ec94b9e 100644
--- a/src/frame.c
+++ b/src/frame.c
@@ -4001,7 +4001,7 @@ x_set_alpha (struct frame *f, Lisp_Object arg, Lisp_Object oldval)
       else if (INTEGERP (item))
 	{
 	  EMACS_INT ialpha = XINT (item);
-	  if (! (0 <= ialpha && alpha <= 100))
+	  if (! (0 <= ialpha && ialpha <= 100))
 	    args_out_of_range (make_number (0), make_number (100));
 	  alpha = ialpha / 100.0;
 	}
-- 
2.39.5