anchor.diff:            license = lib.licenses.free;
           };
         }) {};
  -    validate = callPackage ({ cl-lib ? null, elpaBuild, emacs, fetchurl, lib }:
  +    validate = callPackage ({ cl-lib ? null, elpaBuild, emacs, fetchurl, lib, seq }:
       elpaBuild {
           pname = "validate";
  -        version = "1.0.0";
  -        src = fetchurl {
  -          url = "https://elpa.gnu.org/packages/validate-1.0.0.el";
  -          sha256 = "10js4qds5xi5a89s4v4fz6f71b25g3x8jm1lcpf9s75i1q1xiysk";
  -        };
  -        packageRequires = [ cl-lib emacs ];
  +        version = "1.0.2";
  +        src = fetchurl {
  +          url = "https://elpa.gnu.org/packages/validate-1.0.2.el";
  +          sha256 = "19xhd9mxkdcisspz5q3bnvf6jjsvmhjjrpw3pq5lgyqbcz8k8dsr";
  +        };
  +        packageRequires = [ cl-lib emacs seq ];
           meta = {
             homepage = "https://elpa.gnu.org/packages/validate.html";
             license = lib.licenses.free;
  
positive.code:       }) {};
      auctex = callPackage ({ elpaBuild, fetchurl, lib }: elpaBuild {
          pname = "auctex";
          version = "11.89.6";
          src = fetchurl {
            url = "https://elpa.gnu.org/packages/auctex-11.89.6.tar";
            sha256 = "1lfaki8s9ri6ds88mhpxwqb2jrjf7hbs1w3nxhg307344lac07gy";
          };
          packageRequires = [];
          meta = {
  
negative.code:       }) {};
      org = callPackage ({ elpaBuild, fetchurl, lib }: elpaBuild {
          pname = "org";
          version = "20161118";
          src = fetchurl {
            url = "https://elpa.gnu.org/packages/org-20161118.tar";
            sha256 = "1w9g8r08kaiw9f4fjsj0hbffzq85rj734j5lxvbaafbnz7dbklk1";
          };
          packageRequires = [];
          meta = {
  