anchor.diff:        elpaBuild {
           pname = "lin";
           ename = "lin";
  -        version = "0.4.0";
  -        src = fetchurl {
  -          url = "https://elpa.gnu.org/packages/lin-0.4.0.tar";
  -          sha256 = "1fynn3fpf3c2yamlpp9j6rakgd21ivyvqrx0hmsgcyr115q5afm4";
  +        version = "1.0.0";
  +        src = fetchurl {
  +          url = "https://elpa.gnu.org/packages/lin-1.0.0.tar";
  +          sha256 = "0b090g2l8mvm3b6k7s31v9lw48qjcvcif2p201wlqgipddm6s180";
           };
           packageRequires = [ emacs ];
           meta = {
  
positive.code:           license = lib.licenses.free;
          };
        }) {};
      tramp = callPackage ({ elpaBuild, emacs, fetchurl, lib }:
        elpaBuild {
          pname = "tramp";
          ename = "tramp";
          version = "2.5.3.1";
          src = fetchurl {
            url = "https://elpa.gnu.org/packages/tramp-2.5.3.1.tar";
            sha256 = "0dqc5gmp20isrlanccvj6nhalmmsfg7bmm690gxfgrbqcc2vj69a";
          };
          packageRequires = [ emacs ];
          meta = {
  
negative.code:       elpaBuild {
          pname = "logos";
          ename = "logos";
          version = "0.5.0";
          src = fetchurl {
            url = "https://elpa.gnu.org/packages/logos-0.5.0.tar";
            sha256 = "026nzkgkfs96m9qxpng7h0kqvhxfah883pv4i08fz0950lrsxynd";
          };
          packageRequires = [ emacs ];
          meta = {
  