rem: }, arguments[1] || {}); 
add: }, arguments[1] || { }); 
context:   tree: function(element) {    element = $(element);    var sortableOptions = this.options(element);    var options = Object.extend({      tag: sortableOptions.tag,      treeTag: sortableOptions.treeTag,      only: sortableOptions.only,      name: element.id,      format: sortableOptions.format    }, arguments[1] || {});        var root = {      id: null,      parent: null,      children: [],      container: element,      position: 0    }        return Sortable._tree(element, options, root);  },
meta: 9100	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/9100/2d4247a14ff4ce25ad80cbc65b787dfde7ddb16e/dragdrop.js/clean/typo3/contrib/scriptaculous/dragdrop.js