rem: _trp->until = ic_parse_datetime(_in); return 0;
add: _trp->until = ic_parse_datetime(_in, &_tm); return (_trp->until==0)?-1:0;
context: int tr_parse_until(tmrec_p _trp, char *_in){	if(!_trp || !_in)		return -1;	_trp->until = ic_parse_datetime(_in);	return 0;}