message: elle.log.TextLogger: Norm.
diff: @@ -234,18 +234,18 @@ namespace elle
  msg = elle::sprintf("%s: %s", time, msg);
  auto color_code = get_color_code(level, type);
  - _output << color_code << msg << std::endl;
  + this->_output << color_code << msg << std::endl;
  if (lines.size() > 1)
  {
  ELLE_ASSERT_GTE(msg.size(), lines[0].size());
  auto indent = std::string(msg.size() - lines[0].size(), ' ');
  for (auto i = 1u; i < lines.size(); i++)
  - _output << indent << lines[i] << std::endl;
  + this->_output << indent << lines[i] << std::endl;
  }
  if (!color_code.empty())
  - _output << "[0m";
  - _output.flush();
  + this->_output << "[0m";
  + this->_output.flush();
  }
  }
  }
  