fixing codepen tag

Author: justinbmeyer

tags.js

@@ -1,7 +1,8 @@
 
 exports.codepen = {
-    add: function(line, curTagData, scope, docMap, defaultWriteProp, options) {
+    add: function(line, curData, scope, docMap, defaultWriteProp, options) {
         var html = "<div class='codepen'></div>";
+        var validCurData =  (curData && curData.length !== 2);
         var useCurData = validCurData && (typeof curData.description === "string") && !curData.body;
 
         // copies codepen options on to the docObject so they are accessible by the script