(require 'org)
(require 'sha1)
-(declare-function url-retrieve-synchronously "url" (url))
+(declare-function url-retrieve-synchronously "url"
+ (url &optional silent inhibit-cookies timeout))
(declare-function xml-node-children "xml" (node))
(declare-function xml-get-children "xml" (node child-name))
(declare-function xml-get-attribute "xml" (node attribute))