diff --git a/bower.json b/bower.json
index 78ed1bfe..fc10c65f 100644
--- a/bower.json
+++ b/bower.json
@@ -20,7 +20,7 @@
     "bootstrap-tour": "~0.6.0",
     "ace": "#51b7cb67a63998c9c0b7d089a85c60e032a7cc17",
     "pagedown-ace": "git@github.com:benweet/pagedown-ace.git#7805f240f343b5b2a05a5b9c0d4a3f5091e7a49b",
-    "pagedown-extra": "git@github.com:jmcmanus/pagedown-extra.git#cca554948c362affb1cbab3bacc3861e2d90d426",
+    "pagedown-extra": "git@github.com:jmcmanus/pagedown-extra.git#ae1547d1662e07d6530137bd3dff3a6e6c8aec3b",
     "crel": "git@github.com:KoryNunn/crel.git#8dbda04b129fc0aec01a2a080d1cab26816e11c1",
     "waitForImages": "git@github.com:alexanderdickson/waitForImages.git#~1.4.2",
     "to-markdown": "git@github.com:benweet/to-markdown.git#jquery",
diff --git a/public/res/utils.js b/public/res/utils.js
index 40daafa3..a2acb0a8 100644
--- a/public/res/utils.js
+++ b/public/res/utils.js
@@ -148,12 +148,10 @@ define([
     };
 
     // Slug function
+    var nonWordChars = XRegExp('[^\\p{L}-]', 'g');
     utils.slugify = function(text) {
         return text.toLowerCase().replace(/\s/g, '-') // Replace spaces with -
-        .replace(XRegExp('[^\\p{L}]', 'g'), '') // Remove
-        // all
-        // non-word
-        // chars
+        .replace(nonWordChars, '') // Remove all non-word chars
         .replace(/\-\-+/g, '-') // Replace multiple - with single -
         .replace(/^-+/, '') // Trim - from start of text
         .replace(/-+$/, ''); // Trim - from end of text