anchor.diff:      orgalist = callPackage ({ elpaBuild, emacs, fetchurl, lib }:
         elpaBuild {
           pname = "orgalist";
  +        ename = "orgalist";
           version = "1.8";
           src = fetchurl {
             url = "https://elpa.gnu.org/packages/orgalist-1.8.el";
  
positive.code:                          , xpm }:
        elpaBuild {
          pname = "gnugo";
          version = "3.1.0";
          src = fetchurl {
            url = "https://elpa.gnu.org/packages/gnugo-3.1.0.tar";
  
negative.code:     shen-mode = callPackage ({ elpaBuild, fetchurl, lib }:
        elpaBuild {
          pname = "shen-mode";
          ename = "shen-mode";
          version = "0.1";
          src = fetchurl {
            url = "https://elpa.gnu.org/packages/shen-mode-0.1.tar";
  