rem: if (item.id != item.parentItem.id) throw new Error("proxy has different id than its parent!"); 
add: if (item.id != item.parentItem.id) { throw new Components.Exception( "proxy has different id than its parent!"); } 
context: function isParent( item ){    if (item.id != item.parentItem.id)        throw new Error("proxy has different id than its parent!");    if (item.parentItem.recurrenceId) {        throw new Error("parent has recurrenceId: " +                        item.parentItem.recurrenceId);    }    return (!item.recurrenceId);}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/88a347723b7a4696ebc1ec2a320d6f1fe7ff1a0b/calWcapUtils.js/clean/calendar/providers/wcap/calWcapUtils.js