rem: dump("before: " + when.events.map(function (e) { return e.item.title; }).join(" ") + "\n"); 
add: when.events = when.events.filter(function (e) { return !e.equals(item); }); 
context:     dump("before: " + when.events.map(function (e) { return e.item.title; }).join(" ") + "\n");
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/93f01c66af4b2e0e14a837f9f5f922c2913a50cf/agenda-tree.js/clean/calendar/lightning/content/agenda-tree.js