class RDoc::Markdown

def _SetextBottom1
  _save = self.pos
  while true # sequence
    _tmp = scan(/\G(?-mix:={1,})/)
    unless _tmp
      self.pos = _save
      break
    end
    _tmp = _Newline()
    unless _tmp
      self.pos = _save
    end
    break
  end # end sequence
  set_failed_rule :_SetextBottom1 unless _tmp
  return _tmp
end