rem: function sameSet( list, list_ ) { 
add: function sameSet(list, list_) { 
context:         function sameSet( list, list_ ) {            return (list.length == list_.length &&                    list.every( function(x) {                                    return list_.some(                                        function(y) { return x == y; } );                                }                        ));        }
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/10234/64fa0031c18ffbcccb6d772168cab3b330d991f6/calWcapCalendarItems.js/buggy/calendar/providers/wcap/calWcapCalendarItems.js