From: Lars Ingebrigtsen <larsi@gnus.org>
Date: Mon, 28 Dec 2015 18:13:51 +0000 (+0100)
Subject: Fix punycode short circuit logic
X-Git-Tag: emacs-26.0.90~2837
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=0e99ccb32119882af50b37264cd4662db14b1e03;p=emacs.git

Fix punycode short circuit logic

* puny.el (puny-encode-domain): Fix short-circuit logic.
---

diff --git a/lisp/net/puny.el b/lisp/net/puny.el
index 389a6dc2700..a16e3a07706 100644
--- a/lisp/net/puny.el
+++ b/lisp/net/puny.el
@@ -34,7 +34,7 @@
 For instance, \"fśf.org\" => \"xn--ff-2sa.org\"."
   ;; The vast majority of domain names are not IDNA domain names, so
   ;; add a check first to avoid doing unnecessary work.
-  (if (string-match "\\'[[:ascii:]]*\\'" domain)
+  (if (string-match "\\'[[:ascii:]]+\\'" domain)
       domain
     (mapconcat 'puny-encode-string (split-string domain "[.]") ".")))