"No WCAP error no.", Components.results.NS_ERROR_INVALID_ARG ); 
"No WCAP error no.", Components.results.NS_ERROR_INVALID_ARG); 
function checkWcapErrno( errno, expectedErrno ){    if (expectedErrno == undefined)        expectedErrno = 0; // i.e. Command successful.    if (errno != expectedErrno) {        var rc;        try {            rc = getWcapErrorCode(errno);        }        catch (exc) {            throw new Components.Exception(                "No WCAP error no.", Components.results.NS_ERROR_INVALID_ARG );        }        throw new Components.Exception( wcapErrorToString(rc), rc );    }}
5459	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/5459/a8adf4992620da379274cea3395ed3099b6769d6/calWcapErrors.js/clean/calendar/providers/wcap/calWcapErrors.js