text: // This code won't work on its own, but is also included in the
  // code/file_server.js file, which defines the whole system.
  
  methods.MKCOL = function(path, respond) {
    fs.stat(path, function(error, stats) {
      if (error && error.code == "ENOENT")
        fs.mkdir(path, respondErrorOrNothing(respond));
      else if (error)
        respond(500, error.toString());
      else if (stats.isDirectory())
        respond(204);
      else
        respond(400, "File exists");
    });
  };
  