From: Eli Zaretskii <eliz@gnu.org>
Date: Sun, 9 Feb 2020 17:18:38 +0000 (+0200)
Subject: Fix set-fontset-font with ADD arg non-nil
X-Git-Tag: emacs-27.0.90~64
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=06c302d425fc2093130479b8aed7da4507d43331;p=emacs.git

Fix set-fontset-font with ADD arg non-nil

* src/fontset.c (fontset_add): Fix off-by-one error at TO.
(Bug#39482)
---

diff --git a/src/fontset.c b/src/fontset.c
index 22b7618d8aa..bca9452418e 100644
--- a/src/fontset.c
+++ b/src/fontset.c
@@ -353,7 +353,7 @@ fontset_add (Lisp_Object fontset, Lisp_Object range, Lisp_Object elt, Lisp_Objec
 			      (NILP (args[idx]) ? args[1 - idx]
 			       : CALLMANY (Fvconcat, args)));
 	from = to1 + 1;
-      } while (from < to);
+      } while (from <= to);
     }
   else
     {