rem: if (this.copy(tree)) { this.doDelete(tree); return true; } else return false; 
add: if (this.copy()) { this.doDelete(); return true; } return false; 
context: function nsTreeController_cut(tree){    if (this.copy(tree)) {        this.doDelete(tree);        return true;            // copy succeeded, don't care if delete failed    } else        return false;           // copy failed, so did cut}
meta: 5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5872/d38a0937d9c93a0a9d913e2ac781e4328bb8cc73/nsTreeController.js/clean/xpfe/global/resources/content/nsTreeController.js