(riece-make-interval-regexp): Simplified.

diff --git a/lisp/riece-compat.el b/lisp/riece-compat.el
index 25d544e..2bc6469 100644 (file)
--- a/lisp/riece-compat.el
+++ b/lisp/riece-compat.el
@@ -62,8 +62,8 @@
 (if (string-match "0\\{0\\}" "")
     (defun riece-make-interval-regexp (regexp min &optional max)
       (if max
-         (concat regexp (format "\\{%d,%d\\}" min max))
-       (concat regexp (format "\\{%d\\}" min))))
+         (format "%s\\{%d,%d\\}" regexp min max)
+       (format "%s\\{%d\\}" regexp min)))
   ;; Emacs 20.7 doesn't support \{...\} in regexps.
   (defun riece-make-interval-regexp (regexp min &optional max)
     (mapconcat #'identity