anchor.diff:            license = lib.licenses.free;
           };
         }) {};
  -    helm-ebdb = callPackage ({ ebdb, elpaBuild, fetchurl, helm, lib }:
  -      elpaBuild {
  -        pname = "helm-ebdb";
  -        ename = "helm-ebdb";
  -        version = "1";
  -        src = fetchurl {
  -          url = "https://elpa.gnu.org/packages/helm-ebdb-1.el";
  -          sha256 = "17gpna0hywxnhfwc9zsm2r35mskyfi416qqmmdba26r4zmpb9r63";
  -        };
  -        packageRequires = [ ebdb helm ];
  -        meta = {
  -          homepage = "https://elpa.gnu.org/packages/helm-ebdb.html";
  -          license = lib.licenses.free;
  -        };
  -      }) {};
       highlight-escape-sequences = callPackage ({ elpaBuild
                                                 , fetchurl
                                                 , lib }:
  
positive.code:         packageRequires = [ emacs ];
          meta = {
            homepage = "https://elpa.gnu.org/packages/context-coloring.html";
            license = lib.licenses.free;
          };
        }) {};
      counsel-ebdb = callPackage ({ ebdb, elpaBuild, fetchurl, ivy, lib }:
        elpaBuild {
          pname = "counsel-ebdb";
          ename = "counsel-ebdb";
          version = "1";
          src = fetchurl {
            url = "https://elpa.gnu.org/packages/counsel-ebdb-1.el";
            sha256 = "0p919gq871rxlrn6lpjbwws7h6i2gc9vgcxzj8bzgz8xk5hq9mis";
          };
          packageRequires = [ ebdb ivy ];
          meta = {
            homepage = "https://elpa.gnu.org/packages/counsel-ebdb.html";
            license = lib.licenses.free;
          };
        }) {};
  
negative.code:       elpaBuild {
          pname = "wisitoken-grammar-mode";
          ename = "wisitoken-grammar-mode";
          version = "1.0.3";
          src = fetchurl {
            url = "https://elpa.gnu.org/packages/wisitoken-grammar-mode-1.0.3.tar";
            sha256 = "1vljnhi35vix30xch9mziczg56ss1r615yn2pgdcw8wa8sm14crw";
          };
          packageRequires = [ emacs mmm-mode wisi ];
          meta = {
  