anchor.diff:      el-search = callPackage ({ elpaBuild, emacs, fetchurl, lib, stream }:
       elpaBuild {
           pname = "el-search";
  -        version = "1.4.0.14";
  -        src = fetchurl {
  -          url = "https://elpa.gnu.org/packages/el-search-1.4.0.14.tar";
  -          sha256 = "1qc30dia59i2bklhivfhmsghirnpgz5mvcjdc78n0r8nizb68jfp";
  +        version = "1.4.0.17";
  +        src = fetchurl {
  +          url = "https://elpa.gnu.org/packages/el-search-1.4.0.17.tar";
  +          sha256 = "14jacy0gjhpvia15ffa99np2wyblmadb95f17a9azl6dsn6dq1m6";
           };
           packageRequires = [ emacs stream ];
           meta = {
  
positive.code:     mines = callPackage ({ cl-lib ? null, elpaBuild, emacs, fetchurl, lib }:
      elpaBuild {
          pname = "mines";
          version = "1.2";
          src = fetchurl {
            url = "https://elpa.gnu.org/packages/mines-1.2.tar";
            sha256 = "1xwnw2hyk1qz98mdnckk0i05li0gzygq12kkmrlidxnk7ngbq9vw";
          };
          packageRequires = [ cl-lib emacs ];
          meta = {
  
negative.code:     arbitools = callPackage ({ cl-lib ? null, elpaBuild, fetchurl, lib }:
      elpaBuild {
          pname = "arbitools";
          version = "0.94";
          src = fetchurl {
            url = "https://elpa.gnu.org/packages/arbitools-0.94.el";
            sha256 = "00iq8rr1275p48ic5mibcx657li723q8r7ax4g21w6bzwsj3gksd";
          };
          packageRequires = [ cl-lib ];
          meta = {
  