rem: if (! prop) 
add: if (!prop) 
context: function getDatetimeFromIcalProp( prop ){    if (! prop)        return null;    var val = prop.valueAsIcalString;    if (val.length == 0 || val == "0")        return null;    // assuming timezone is known:    var dt = new CalDateTime();    dt.icalString = val;//     dt.makeImmutable();    return dt;}
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/99eaaaada9e6f5f2a2f7fac9237c6e41ecf1eef7/calWcapUtils.js/buggy/calendar/providers/wcap/calWcapUtils.js