'Block quote.'

def indent(self, match, context, next_state):

    (indented, indent, line_offset, blank_finish) = self.state_machine.get_indented()
    elements = self.block_quote(indented, line_offset)
    self.parent += elements
    if (not blank_finish):
        self.parent += self.unindent_warning('Block    quote')
    return (context, next_state, [])
