"-H" (concat "X-Twitter-Client-Version: " riece-version-number)
"-H" "X-Twitter-Client-URL: http://riece.nongnu.org/twitter.xml"
"-u" credential
"-H" (concat "X-Twitter-Client-Version: " riece-version-number)
"-H" "X-Twitter-Client-URL: http://riece.nongnu.org/twitter.xml"
"-u" credential