def parse_string(fh):
    """Parse string field."""
    result = u''
    line = fh.readline().encode('utf-8')
    line = line[3:].rstrip()
    result = line.decode('utf-8')
    while fh.peek2() == '  ':
        result = result + ' '
        line = fh.readline().encode('utf-8')
        line = line[3:].rstrip()
        result = result + line.decode('utf-8')
    return result
