(:name jam-mode
       :website "https://web.archive.org/web/20100211015821/http://www.tenfoot.org.uk/index.html"
       :description "Font-lock support for Jam files."
       :type http
       :url "http://dev.gentoo.org/~ulm/distfiles/jam-mode-0.3.el.xz"
       :build (("sh" "-c" "xz -cd jam-mode-0.3.el.xz > jam-mode.el"))
       :compile "jam-mode.el")