q-url and exit either to make-req, or to 
  ; the response-handler to handle the error
  (let ((url-parts (<a href="util.html#codefunc39259">string-split</a> req-url '(#\/) 4)))
    ; this stub is added by Dmitry Lizorkin for handling URIs consisting of
    ; just a schema and a host, say, &quot;http://www.plt-scheme.org&quot;
    (let ((url-parts
           (if (and (string=? &quot;http:&quot; (car url-parts))
                    (= 3 (length url-parts)))
               (append url-parts '(&quot;&quot;))
 