anchor.diff:        elpaBuild {
           pname = "geiser";
           ename = "geiser";
  -        version = "0.18";
  -        src = fetchurl {
  -          url = "https://elpa.nongnu.org/nongnu/geiser-0.18.tar";
  -          sha256 = "131j4f82hl4pqj07qsl1f2dz4105v5fyll3bc97ggayzvrdiy58i";
  +        version = "0.19";
  +        src = fetchurl {
  +          url = "https://elpa.nongnu.org/nongnu/geiser-0.19.tar";
  +          sha256 = "13w6gx6y8ilppcpfib5293600n0xy4xc4xa6idpmbcfd2pkmnw1x";
           };
           packageRequires = [ emacs ];
           meta = {
  
positive.code:       elpaBuild {
          pname = "geiser-chicken";
          ename = "geiser-chicken";
          version = "0.16";
          src = fetchurl {
            url = "https://elpa.nongnu.org/nongnu/geiser-chicken-0.16.tar";
            sha256 = "1zmb8c86akrd5f1v59s4xkbpgsqbdcbc6d5f9h6kxa55ylc4dn6a";
          };
          packageRequires = [ emacs geiser ];
          meta = {
  
negative.code:       elpaBuild {
          pname = "geiser-guile";
          ename = "geiser-guile";
          version = "0.19";
          src = fetchurl {
            url = "https://elpa.nongnu.org/nongnu/geiser-guile-0.19.tar";
            sha256 = "1rjml11gkl80x4hmh84m84r4qb3kxi36d7mwm25n791v5fs1cl32";
          };
          packageRequires = [ emacs geiser ];
          meta = {
  