assert (s.toString().indexOf(0) < 0);
s.append(",lon=").append(metadata.lon());
assert (s.toString().indexOf(0) < 0);
s.append(",mod=").append(formatter.format(moddate()));
assert (s.toString().indexOf(0) < 0);
s.append(",load=").append(formatter.format(loaddate()));
assert (s.toString().indexOf(0) < 0);
s.append(",fresh=").append(formatter.format(freshdate()));
assert (s.toString().indexOf(0) < 0);
s.append(",referrer=").append(referrerHash() == null ? "" : ASCII.String(referrerHash()));
assert (s.toString().indexOf(0) < 0);