anchor.diff:        elpaBuild {
           pname = "jsonrpc";
           ename = "jsonrpc";
  -        version = "1.0.0";
  -        src = fetchurl {
  -          url = "https://elpa.gnu.org/packages/jsonrpc-1.0.0.el";
  -          sha256 = "06lmmn7j2ilkvwibbpgnd8p6d63fjjnxd2ma8f4jw6vrz1f7lwvs";
  +        version = "1.0.6";
  +        src = fetchurl {
  +          url = "https://elpa.gnu.org/packages/jsonrpc-1.0.6.el";
  +          sha256 = "13a19smz8cksv6fgcyxb111csvagkp07z5nl4imyp5b23asgl70p";
           };
           packageRequires = [ emacs ];
           meta = {
  
positive.code:           license = lib.licenses.free;
          };
        }) {};
      bug-hunter = callPackage ({ cl-lib ? null, elpaBuild, fetchurl, lib, seq }:
        elpaBuild {
          pname = "bug-hunter";
  
negative.code:       elpaBuild {
          pname = "org";
          ename = "org";
          version = "9.1.14";
          src = fetchurl {
            url = "https://elpa.gnu.org/packages/org-9.1.14.tar";
            sha256 = "17vd9hig26rqv90l6y92hc2i0x29g44lsdsp0xd4m53s8r3zdikz";
          };
          packageRequires = [];
          meta = {
  