var prop = icalRootComp.getFirstProperty( "X-NSCP-WCAP-ERRNO" ); 
var prop = icalRootComp.getFirstProperty("X-NSCP-WCAP-ERRNO"); 
function getWcapIcalErrno( icalRootComp ){    var prop = icalRootComp.getFirstProperty( "X-NSCP-WCAP-ERRNO" );    if (prop)        return parseInt(prop.value);    // some commands just respond with an empty calendar, no errno. WTF.    throw new Components.Exception(        "No WCAP errno (missing X-NSCP-WCAP-ERRNO).",        Components.interfaces.calIWcapErrors.WCAP_NO_ERRNO );}
5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/5872/a8adf4992620da379274cea3395ed3099b6769d6/calWcapErrors.js/buggy/calendar/providers/wcap/calWcapErrors.js