def dump_line(l, is_added=None):
    self._dump(('<tr><td>%s</td><td align="left">%s</td></tr>' % (self._diff_plus_minus(is_added), l)))
def dump_line(l, is_added=None):
    self._dump(('<tr><td>%s</td><td align="left">%s</td></tr>' % (self._diff_plus_minus(is_added), l)))