+readability.
+
+If DEFAULT-SCHEME is non-nil, this scheme is applied to the URL
+in the instance that URL itself doesn't specify one."
+ (let ((address (elpher-address-from-url url default-scheme)))
+ (elpher-make-page (elpher-address-to-iri address) address)))
+
+(defun elpher-address-to-iri (address)
+ "Return an IRI for ADDRESS.
+Decode percent-escapes and handle punycode in the domain name.
+Drop the password, if any."
+ (let ((data (match-data)) ; Prevent parsing clobbering match data
+ (host (url-host address))
+ (pass (url-password address)))
+ (unwind-protect
+ (let* ((host (url-host address))
+ (pass (url-password address)))
+ (when host
+ (setf (url-host address) (puny-decode-domain host)))
+ (when pass ; RFC 3986 says we should not render
+ (setf (url-password address) nil)) ; the password as clear text
+ (elpher-decode (url-unhex-string (url-recreate-url address))))
+ (setf (url-host address) host)
+ (setf (url-password address) pass)
+ (set-match-data data))))