anchor.diff:            license = lib.licenses.free;
           };
         }) {};
  +    flymake-proselint = callPackage ({ elpaBuild, emacs, fetchurl, lib }:
  +      elpaBuild {
  +        pname = "flymake-proselint";
  +        ename = "flymake-proselint";
  +        version = "0.2.1";
  +        src = fetchurl {
  +          url = "https://elpa.gnu.org/packages/flymake-proselint-0.2.1.tar";
  +          sha256 = "08hbz8k3idr1gb98q3ssmzsdya5afjxl25l9xzqp9q2w5krc8433";
  +        };
  +        packageRequires = [ emacs ];
  +        meta = {
  +          homepage = "https://elpa.gnu.org/packages/flymake-proselint.html";
  +          license = lib.licenses.free;
  +        };
  +      }) {};
       frame-tabs = callPackage ({ elpaBuild, fetchurl, lib }:
         elpaBuild {
           pname = "frame-tabs";
  
positive.code:       elpaBuild {
          pname = "ada-mode";
          ename = "ada-mode";
          version = "7.1.7";
          src = fetchurl {
            url = "https://elpa.gnu.org/packages/ada-mode-7.1.7.tar";
            sha256 = "0bzykgzc3kx1dgngishsf9w4czq3ig6wvrv3832zlxb7q3rmw8j2";
          };
          packageRequires = [ emacs uniquify-files wisi ];
          meta = {
  
negative.code:       elpaBuild {
          pname = "map";
          ename = "map";
          version = "3.1";
          src = fetchurl {
            url = "https://elpa.gnu.org/packages/map-3.1.tar";
            sha256 = "1akkp34psm71ylbf1i02m56ga1dkswhz069j98amixrhw20hq4nx";
          };
          packageRequires = [ emacs ];
          meta = {
  