anchor.diff:      sml-mode = callPackage ({ cl-lib ? null, elpaBuild, emacs, fetchurl, lib }:
       elpaBuild {
           pname = "sml-mode";
  -        version = "6.7";
  -        src = fetchurl {
  -          url = "https://elpa.gnu.org/packages/sml-mode-6.7.el";
  -          sha256 = "041dmxx7imiy99si9pscwjh5y4h02y3lirzhv1cfxqr3ghxngf9x";
  +        version = "6.8";
  +        src = fetchurl {
  +          url = "https://elpa.gnu.org/packages/sml-mode-6.8.el";
  +          sha256 = "105fcrz5qp95f2n3fdm3awr6z58sbrjihjss6qnrg4lz2ggbc328";
           };
           packageRequires = [ cl-lib emacs ];
           meta = {
  
positive.code:       }) {};
      org = callPackage ({ elpaBuild, fetchurl, lib }: elpaBuild {
          pname = "org";
          version = "20171205";
          src = fetchurl {
            url = "https://elpa.gnu.org/packages/org-20171205.tar";
            sha256 = "0a1rm94ci47jf5579sxscily680ysmy3hnxjcs073n45nk76za04";
          };
          packageRequires = [];
          meta = {
  
negative.code:         packageRequires = [];
          meta = {
            homepage = "https://elpa.gnu.org/packages/pabbrev.html";
            license = lib.licenses.free;
          };
        }) {};
      paced = callPackage ({ async, elpaBuild, emacs, fetchurl, lib }: elpaBuild {
          pname = "paced";
          version = "1.0";
          src = fetchurl {
            url = "https://elpa.gnu.org/packages/paced-1.0.tar";
            sha256 = "0ld7cnlk6pn41hx2yfga5w7vfgg4ql6k25ffnf400nsn7y6wcapd";
          };
          packageRequires = [ async emacs ];
          meta = {
            homepage = "https://elpa.gnu.org/packages/paced.html";
            license = lib.licenses.free;
          };
        }) {};
  