anchor.diff:        elpaBuild {
           pname = "crdt";
           ename = "crdt";
  -        version = "0.2.5";
  -        src = fetchurl {
  -          url = "https://elpa.gnu.org/packages/crdt-0.2.5.tar";
  -          sha256 = "092f82kq78c9gih6xri4n3ma5ixw9c8mx12i00c174g0v041r6sp";
  +        version = "0.2.7";
  +        src = fetchurl {
  +          url = "https://elpa.gnu.org/packages/crdt-0.2.7.tar";
  +          sha256 = "0f6v937zbxj4kci07dv0a1h4q1ak0qabkjq2j258ydxyivvqyvsw";
           };
           packageRequires = [];
           meta = {
  
positive.code:       elpaBuild {
          pname = "ebdb";
          ename = "ebdb";
          version = "0.8.4";
          src = fetchurl {
            url = "https://elpa.gnu.org/packages/ebdb-0.8.4.tar";
            sha256 = "0n811af83fqpzq9513gf240gnz7qkwrjw07qs4sra4069q0pwnjr";
          };
          packageRequires = [ emacs seq ];
          meta = {
  
negative.code:         packageRequires = [ emacs svg ];
          meta = {
            homepage = "https://elpa.gnu.org/packages/svg-clock.html";
            license = lib.licenses.free;
          };
        }) {};
      svg-lib = callPackage ({ elpaBuild, emacs, fetchurl, lib }:
        elpaBuild {
          pname = "svg-lib";
          ename = "svg-lib";
          version = "0.2";
          src = fetchurl {
            url = "https://elpa.gnu.org/packages/svg-lib-0.2.tar";
            sha256 = "0361w1paqrgqlv8wj5vf9ifssddrk2bwlarp2c2wzlxks3ahdf2x";
          };
          packageRequires = [ emacs ];
          meta = {
            homepage = "https://elpa.gnu.org/packages/svg-lib.html";
            license = lib.licenses.free;
          };
        }) {};
  