anchor.diff:                        (butlast (nyxt/small-web-mode:redirections (current-mode 'small-web)))))))
           ((:temporary-failure :server-unavailable :cgi-error :proxy-error
             :permanent-failure :not-found :gone :proxy-request-refused :bad-request)
  -         (make-gemini-error-page
  -          "Error"))
  +         (make-gemini-error-page "Error" meta))
           (:slow-down
            (make-gemini-error-page
             "Slow down error"
             (format nil "Try reloading the page in ~a seconds." meta)))
           ((:client-certificate-required :certificate-not-authorised :certificate-not-valid)
  -         (make-gemini-error-page
  -          "Certificate error"))))))
  +         (make-gemini-error-page "Certificate error" meta))))))
   
   (defun sequence-p (object)
     "Return true if OBJECT is a sequence that's not a string."
  
positive.code: 
  
  (defun process-gemini-scheme (request)
    (sera:mvlet* ((url (webkit:webkit-uri-scheme-request-get-uri request))
                  (buffer (find (webkit:webkit-uri-scheme-request-get-web-view request)
                                (buffer-list) :key #'gtk-object))
                  (status meta body (phos/gemini:request url)))
      ;; FIXME: This better become a default auto-mode rule.
      (enable-modes '(small-web-mode) buffer)
      (flet ((make-gemini-error-page (title &optional text)
               (spinneret:with-html-string
                 (:h1 title)
                 (:pre (or text meta)))))
        (unless (member status '(:redirect :permanent-redirect))
          (setf (nyxt/small-web-mode:redirections (current-mode 'small-web)) nil))
        (case status
  
negative.code:            (buffer-load (str:concat url "?" text) :buffer buffer)))
          (:success
           (if (str:starts-with-p "text/gemini" meta)
               (nyxt/small-web-mode:gemini-render body)
               (values body meta)))
          ((:redirect :permanent-redirect)
           (push url (nyxt/small-web-mode:redirections (current-mode 'small-web)))
           (if (< (length (nyxt/small-web-mode:redirections (current-mode 'small-web))) 5)
  