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-rw-r--r--test/lisp/emacs-lisp/rx-tests.el2
1 files changed, 2 insertions, 0 deletions
diff --git a/test/lisp/emacs-lisp/rx-tests.el b/test/lisp/emacs-lisp/rx-tests.el
index 63d7c7b91ea..12bf4f7978e 100644
--- a/test/lisp/emacs-lisp/rx-tests.el
+++ b/test/lisp/emacs-lisp/rx-tests.el
@@ -388,6 +388,8 @@
(ert-deftest rx-regexp ()
(should (equal (rx (regexp "abc") (regex "[de]"))
"\\(?:abc\\)[de]"))
+ (should (equal (rx "a" (regexp "$"))
+ "a\\(?:$\\)"))
(let ((x "a*"))
(should (equal (rx (regexp x) "b")
"\\(?:a*\\)b"))