anchor.diff:            license = lib.licenses.free;
           };
         }) {};
  -    wisi = callPackage ({ cl-lib ? null, elpaBuild, emacs, fetchurl, lib, seq }:
  +    wisi = callPackage ({ elpaBuild, emacs, fetchurl, lib, seq }:
         elpaBuild {
           pname = "wisi";
           ename = "wisi";
  -        version = "2.1.1";
  -        src = fetchurl {
  -          url = "https://elpa.gnu.org/packages/wisi-2.1.1.tar";
  -          sha256 = "0j7pnjik07j2ipj3xavhayngnmk5jdglq78azrjvwni88m12920n";
  -        };
  -        packageRequires = [ cl-lib emacs seq ];
  +        version = "2.2.1";
  +        src = fetchurl {
  +          url = "https://elpa.gnu.org/packages/wisi-2.2.1.tar";
  +          sha256 = "1qvhx8bpms7gri7y6wniwqd6nmqxj4lip5l3sphbq2kjf4zq4qd4";
  +        };
  +        packageRequires = [ emacs seq ];
           meta = {
             homepage = "https://elpa.gnu.org/packages/wisi.html";
  +          license = lib.licenses.free;
  +        };
  +      }) {};
  +    wisitoken-grammar-mode = callPackage ({ elpaBuild
  +                                          , emacs
  +                                          , fetchurl
  +                                          , lib
  +                                          , mmm-mode
  +                                          , wisi }:
  +      elpaBuild {
  +        pname = "wisitoken-grammar-mode";
  +        ename = "wisitoken-grammar-mode";
  +        version = "1.0.2";
  +        src = fetchurl {
  +          url = "https://elpa.gnu.org/packages/wisitoken-grammar-mode-1.0.2.tar";
  +          sha256 = "09rpjl3z6xzap0lbrjs9hf2nspwc5avvx75ah3aimgvizrf2kyp0";
  +        };
  +        packageRequires = [ emacs mmm-mode wisi ];
  +        meta = {
  +          homepage = "https://elpa.gnu.org/packages/wisitoken-grammar-mode.html";
             license = lib.licenses.free;
           };
         }) {};
  
positive.code:       elpaBuild {
          pname = "uniquify-files";
          ename = "uniquify-files";
          version = "1.0";
          src = fetchurl {
            url = "https://elpa.gnu.org/packages/uniquify-files-1.0.tar";
            sha256 = "1n1r3pmnh9b8zb7pyv158pzmvha4gqqrfrapvpjdcrcnnd2dynkm";
          };
          packageRequires = [ emacs ];
          meta = {
  
negative.code:       elpaBuild {
          pname = "relint";
          ename = "relint";
          version = "1.10";
          src = fetchurl {
            url = "https://elpa.gnu.org/packages/relint-1.10.el";
            sha256 = "1l0lh4pkksw7brmhhbaikwzs4zkgd2962ks1zy7m262dvkhxjfv8";
          };
          packageRequires = [ xr ];
          meta = {
  