anchor.diff:        elpaBuild {
           pname = "geiser-guile";
           ename = "geiser-guile";
  -        version = "0.20.1";
  -        src = fetchurl {
  -          url = "https://elpa.nongnu.org/nongnu/geiser-guile-0.20.1.tar";
  -          sha256 = "0psm53ryh1wica2730xcw4lc2jv06d08wnjfyd8f61952zzj57k7";
  +        version = "0.21.1";
  +        src = fetchurl {
  +          url = "https://elpa.nongnu.org/nongnu/geiser-guile-0.21.1.tar";
  +          sha256 = "1sm19jmaxzxkxd4jksgvc064jv90bc6q0yf8zz0s77y0aldw8sf5";
           };
           packageRequires = [ emacs geiser ];
           meta = {
  
positive.code:           license = lib.licenses.free;
          };
        }) {};
      org-journal = callPackage ({ elpaBuild, emacs, fetchurl, lib, org }:
        elpaBuild {
          pname = "org-journal";
  
negative.code:         packageRequires = [ emacs ];
          meta = {
            homepage = "https://elpa.gnu.org/packages/julia-mode.html";
            license = lib.licenses.free;
          };
        }) {};
      keycast = callPackage ({ elpaBuild, emacs, fetchurl, lib }:
        elpaBuild {
          pname = "keycast";
          ename = "keycast";
          version = "1.1.3";
          src = fetchurl {
            url = "https://elpa.nongnu.org/nongnu/keycast-1.1.3.tar";
            sha256 = "0b4vyaxqdw11ai81vnvif8i02jcaf5hk64kbb7bs90527zwz2fw0";
          };
          packageRequires = [ emacs ];
          meta = {
            homepage = "https://elpa.gnu.org/packages/keycast.html";
            license = lib.licenses.free;
          };
        }) {};
  