anchor.diff:            license = lib.licenses.free;
           };
         }) {};
  +    hcel = callPackage ({ elpaBuild, emacs, fetchurl, lib }:
  +      elpaBuild {
  +        pname = "hcel";
  +        ename = "hcel";
  +        version = "1.0.0";
  +        src = fetchurl {
  +          url = "https://elpa.gnu.org/packages/hcel-1.0.0.tar";
  +          sha256 = "1j6snbyi710qnxr68mbmj1v2i6gqf6znd872fkjkyj85pg3iibia";
  +        };
  +        packageRequires = [ emacs ];
  +        meta = {
  +          homepage = "https://elpa.gnu.org/packages/hcel.html";
  +          license = lib.licenses.free;
  +        };
  +      }) {};
       heap = callPackage ({ elpaBuild, fetchurl, lib }:
         elpaBuild {
           pname = "heap";
  
positive.code:       elpaBuild {
          pname = "nano-modeline";
          ename = "nano-modeline";
          version = "0.7.1";
          src = fetchurl {
            url = "https://elpa.gnu.org/packages/nano-modeline-0.7.1.tar";
            sha256 = "18a4mp27z6pj87yhp81x5a79g0kv6mzzd0axq2p31003r675l0hx";
          };
          packageRequires = [ emacs ];
          meta = {
  
negative.code:       elpaBuild {
          pname = "wisi";
          ename = "wisi";
          version = "4.0.0";
          src = fetchurl {
            url = "https://elpa.gnu.org/packages/wisi-4.0.0.tar";
            sha256 = "1w082nqzvzljm8m8gxja7va88g0lz264d4ir24ydak22rfr688bv";
          };
          packageRequires = [ emacs seq ];
          meta = {
  