font-to-span conversion skips half the font elements on 'real' DOMs

Readability.js

@@ -148,8 +148,8 @@ Readability.prototype = {
    *
    * If function is not passed, removes all the nodes in node list.
    *
-   * @param NodeList nodeList The no
-   * @param Function filterFn
+   * @param NodeList nodeList The nodes to operate on
+   * @param Function filterFn the function to use as a filter
    * @return void
    */
   _removeNodes: function(nodeList, filterFn) {
@@ -164,6 +164,20 @@ Readability.prototype = {
     }
   },
 
+  /**
+   * Iterates over a NodeList, and calls _setNodeTag for each node.
+   *
+   * @param NodeList nodeList The nodes to operate on
+   * @param String newTagName the new tag name to use
+   * @return void
+   */
+  _replaceNodeTags: function(nodeList, newTagName) {
+    for (var i = nodeList.length - 1; i >= 0; i--) {
+      var node = nodeList[i];
+      this._setNodeTag(node, newTagName);
+    }
+  },
+
   /**
    * Iterate over a NodeList, which doesn't natively fully implement the Array
    * interface.
@@ -173,10 +187,9 @@ Readability.prototype = {
    *
    * @param  NodeList nodeList The NodeList.
    * @param  Function fn       The iterate function.
-   * @param  Boolean  backward Whether to use backward iteration.
    * @return void
    */
-  _forEachNode: function(nodeList, fn, backward) {
+  _forEachNode: function(nodeList, fn) {
     Array.prototype.forEach.call(nodeList, fn, this);
   },
 
@@ -355,9 +368,7 @@ Readability.prototype = {
       this._replaceBrs(doc.body);
     }
 
-    this._forEachNode(doc.getElementsByTagName("font"), function(fontNode) {
-      this._setNodeTag(fontNode, "SPAN");
-    });
+    this._replaceNodeTags(doc.getElementsByTagName("font"), "SPAN");
   },
 
   /**