anchor.diff:        elpaBuild {
           pname = "eglot";
           ename = "eglot";
  -        version = "1.4";
  -        src = fetchurl {
  -          url = "https://elpa.gnu.org/packages/eglot-1.4.tar";
  -          sha256 = "1f2p08ly17jcjyh8bif5zhmzhx3z5y9z20v6z24z939bqk8c1pdq";
  +        version = "1.5";
  +        src = fetchurl {
  +          url = "https://elpa.gnu.org/packages/eglot-1.5.tar";
  +          sha256 = "00ifgz9r9xvy19zsz1yfls6n1acvms14p86nbw0x6ldjgvpf279i";
           };
           packageRequires = [ emacs flymake jsonrpc ];
           meta = {
  
positive.code:       elpaBuild {
          pname = "eev";
          ename = "eev";
          version = "20190902";
          src = fetchurl {
            url = "https://elpa.gnu.org/packages/eev-20190902.tar";
            sha256 = "09rk01ykvvmmzadkz8y064iil2sm6ql6qz0rj0jjlnyymi58lj69";
          };
          packageRequires = [ emacs ];
          meta = {
  
negative.code:         packageRequires = [ seq ];
          meta = {
            homepage = "https://elpa.gnu.org/packages/beacon.html";
            license = lib.licenses.free;
          };
        }) {};
      bluetooth = callPackage ({ dash, elpaBuild, emacs, fetchurl, lib }:
        elpaBuild {
          pname = "bluetooth";
          ename = "bluetooth";
          version = "0.1.2";
          src = fetchurl {
            url = "https://elpa.gnu.org/packages/bluetooth-0.1.2.el";
            sha256 = "1vp2vpyq0ybjni35ics1mg1kiwgvc7x12dlmvygy78sqp52sfkcv";
          };
          packageRequires = [ dash emacs ];
          meta = {
            homepage = "https://elpa.gnu.org/packages/bluetooth.html";
            license = lib.licenses.free;
          };
        }) {};
  