docs: function removeComments() {
  
    var commentNodes = [];
  
    // process on NODE level
    function searchForComment(node) {
      if(node.type == 'comment') {
        commentNodes.push(node);
      }
      if(!_(node.children).isUndefined()) {
        _.each(node.children, searchForComment);
      }
    }
    searchForComment($._root);
    _.each(commentNodes, function(node) {
      $(node).remove();
    });
  }