From 73c8ceea1ab335aae9221a671ae0959704669a52 Mon Sep 17 00:00:00 2001
From: Bozhidar Batsov <bozhidar@batsov.com>
Date: Sat, 7 Dec 2013 20:46:03 +0200
Subject: [PATCH] * lisp/emacs-lisp/helpers.el (string-blank-p): Use
 `string-match-p'.

---
 lisp/ChangeLog             | 4 ++++
 lisp/emacs-lisp/helpers.el | 2 +-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index d032e3c924..17d7c0bdd3 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,7 @@
+2013-12-07  Bozhidar Batsov  <bozhidar@batsov.com>
+
+	* emacs-lisp/helpers.el (string-blank-p): Use `string-match-p'.
+
 2013-12-07  Tassilo Horn  <tsdh@gnu.org>
 
 	* help-fns.el (describe-function-1): Use new advice-* functions
diff --git a/lisp/emacs-lisp/helpers.el b/lisp/emacs-lisp/helpers.el
index 8049f4e1d1..b7996ade77 100644
--- a/lisp/emacs-lisp/helpers.el
+++ b/lisp/emacs-lisp/helpers.el
@@ -67,7 +67,7 @@
 
 (defsubst string-blank-p (string)
   "Check whether STRING is either empty or only whitespace."
-  (string-empty-p (string-trim string)))
+  (string-match-p "\\`[ \t\n\r]*\\'" string))
 
 (provide 'helpers)
 
-- 
2.20.1