298c298,311
< func marshalUTCTime(out *forkableWriter, t time.Time) (err error) {
---
> func marshalFourDigits(out *forkableWriter, v int) (err error) {
> 	var x,i int
> 	for i = 1000;i > 0; i/=10 {
> 		x = val / i
> 		val %= i
> 		err = out.WriteByte(byte('0' + x))
> 		if err != nil {
> 			return
> 		}
> 	}
> 	return out.WriteByte(byte('0' + x))
> }
> 
> func marshalTime(out *forkableWriter, t time.Time) (err error) {
305a319,320
> 	case 2050 >= year:
> 		err = marshalFourDigits(out, int(year))
381c396
< 		return marshalUTCTime(out, value.Interface().(time.Time))
---
> 		return marshalTime(out, value.Interface().(time.Time))