anchor.diff:    }
   
     /**
  -   * The [account] is the nickserv registered name to perform a lookup
  -   * on.
  +   * The [account] is the nickserv registered name to perform a lookup on.
      */
     void authenticate(String account) {
       if (_queue.length > 0) {
  
positive.code: part of yambot;
  
  class Auth {
  
    /**
     * The auth system this is good for
  
negative.code:    */
    Future<List<String>> registeredAs(String nick) {
      if (_authenticated.containsKey(nick)) {
        return new Future.sync(() => [_authenticated[nick]]);
      } else if (_rejected.contains(nick)) {
        return new Future.sync(() => [null, UNLOGGED]);
      } else {
        _completer = new Completer();
        authenticate(nick);
  