5 var extension = {wlxmlClass: {comment: {
 
  11                 .filter(function(node) {
 
  13                     return node && node.nodeType === Node.TEXT_NODE;
 
  15                 .forEach(function(node) {
 
  16                     text = text + node.getText();
 
  20         setText: function(text) {
 
  21             var contents = this.contents();
 
  22             if(contents.length === 1 && contents[0].nodeType === Node.TEXT_NODE) {
 
  23                 contents[0].setText(text);
 
  25                 contents.forEach(function(node) {
 
  28                 this.append({text: text});