From d46606a48bfc15802b28639c945c5f13ceec2eee Mon Sep 17 00:00:00 2001
From: "Jessica B. Hamrick" <jhamrick@berkeley.edu>
Date: Tue, 16 Sep 2014 00:05:14 -0700
Subject: [PATCH] Trim anchor link in heading cells, fixes #6324

---
 IPython/html/static/notebook/js/textcell.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/IPython/html/static/notebook/js/textcell.js b/IPython/html/static/notebook/js/textcell.js
index ec0b534f9..4264ebf35 100644
--- a/IPython/html/static/notebook/js/textcell.js
+++ b/IPython/html/static/notebook/js/textcell.js
@@ -418,7 +418,7 @@ define([
             html = security.sanitize_html(html);
             var h = $($.parseHTML(html));
             // add id and linkback anchor
-            var hash = h.text().replace(/ /g, '-');
+            var hash = h.text().trim().replace(/ /g, '-');
             h.attr('id', hash);
             h.append(
                 $('<a/>')