rem: return false; 
add: return; 
context: function lbox_remove (stuff){    var option = this.listContainer.firstChild;    while (option)    {        if (option.firstChild == stuff)        {            this.listContainer.removeChild (option);            return true;        }        option = option.nextSibling;    }    return false;}
meta: 1567	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/1567/92d0953bec560eca4bc77d648c9a185aad8c507b/listbox.js/clean/xul/lib/listbox.js