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diff --git a/test/lisp/emacs-lisp/rx-tests.el b/test/lisp/emacs-lisp/rx-tests.el
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+++ b/test/lisp/emacs-lisp/rx-tests.el
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+;;; rx-tests.el --- test for rx.el functions -*- lexical-binding: t -*-
+
+;; Copyright (C) 2016 Free Software Foundation, Inc.
+
+;; This file is part of GNU Emacs.
+
+;; GNU Emacs is free software: you can redistribute it and/or modify
+;; it under the terms of the GNU General Public License as published by
+;; the Free Software Foundation, either version 3 of the License, or
+;; (at your option) any later version.
+
+;; GNU Emacs is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;; GNU General Public License for more details.
+
+;; You should have received a copy of the GNU General Public License
+;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
+
+;;; Commentary:
+
+(require 'ert)
+(require 'rx)
+
+;;; Code:
+
+(ert-deftest rx-char-any ()
+  "Test character alternatives with `\]' and `-' (Bug#25123)."
+  (should (string-match
+           (rx string-start (1+ (char (?\] . ?\{) (?< . ?\]) (?- . ?:)))
+               string-end)
+           (apply #'string (nconc (number-sequence ?\] ?\{)
+                                  (number-sequence ?< ?\])
+                                  (number-sequence ?- ?:))))))
+
+(provide 'rx-tests)
+;; rx-tests.el ends here.