From: Lars Magne Ingebrigtsen <larsi@gnus.org>
Date: Mon, 15 Dec 2014 05:05:05 +0000 (+0100)
Subject: * net/shr.el (shr-fold-text): Don't bug out on zero-length text.
X-Git-Tag: emacs-25.0.90~2635^2~65^2~1
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=872617ad730906f9437b90c3b90af2e2458f00f6;p=emacs.git

* net/shr.el (shr-fold-text): Don't bug out on zero-length text.
---

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 8a0d5181bae..364511c2c15 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,7 @@
+2014-12-15  Lars Magne Ingebrigtsen  <larsi@gnus.org>
+
+	* net/shr.el (shr-fold-text): Don't bug out on zero-length text.
+
 2014-12-14  Alan Mackenzie  <acm@muc.de>
 
 	* lisp/cus-start.el (all): Add fast-but-imprecise-scrolling.
diff --git a/lisp/net/shr.el b/lisp/net/shr.el
index 6e06a76bf2a..387bb024a52 100644
--- a/lisp/net/shr.el
+++ b/lisp/net/shr.el
@@ -414,13 +414,15 @@ size, and full-buffer size."
 	   (cdr (assq 'background-color shr-stylesheet))))))))
 
 (defun shr-fold-text (text)
-  (with-temp-buffer
-    (let ((shr-indentation 0)
-	  (shr-state nil)
-	  (shr-start nil)
-	  (shr-internal-width (window-width)))
-      (shr-insert text)
-      (buffer-string))))
+  (if (zerop (length text))
+      text
+    (with-temp-buffer
+      (let ((shr-indentation 0)
+	    (shr-state nil)
+	    (shr-start nil)
+	    (shr-internal-width (window-width)))
+	(shr-insert text)
+	(buffer-string)))))
 
 (define-inline shr-char-breakable-p (char)
   "Return non-nil if a line can be broken before and after CHAR."