rem: var ds = getItemsDS(); 
add: var ds = getItemsDS(this.server); 
context: Feed.prototype.invalidateItems = function invalidateItems() {    var ds = getItemsDS();    debug("invalidating items for " + this.url);    var items = ds.GetSources(FZ_FEED, this.resource, true);    var item;    while (items.hasMoreElements()) {        item = items.getNext();        item = item.QueryInterface(Components.interfaces.nsIRDFResource);        debug("invalidating " + item.Value);        var valid = ds.GetTarget(item, FZ_VALID, true);        if (valid)            ds.Unassert(item, FZ_VALID, valid, true);    }}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/002bf2393818a5080a3d8b514c17631f7220102f/Feed.js/buggy/mail/extensions/newsblog/content/Feed.js