anchor.diff:            license = lib.licenses.free;
           };
         }) {};
  +    coterm = callPackage ({ elpaBuild, emacs, fetchurl, lib }:
  +      elpaBuild {
  +        pname = "coterm";
  +        ename = "coterm";
  +        version = "1.2";
  +        src = fetchurl {
  +          url = "https://elpa.gnu.org/packages/coterm-1.2.tar";
  +          sha256 = "0jl48bi4a4fkk7p2nj2bx0b658wrjw0cvab5ds6rid44irc8b1mn";
  +        };
  +        packageRequires = [ emacs ];
  +        meta = {
  +          homepage = "https://elpa.gnu.org/packages/coterm.html";
  +          license = lib.licenses.free;
  +        };
  +      }) {};
       counsel = callPackage ({ elpaBuild, emacs, fetchurl, ivy, lib, swiper }:
         elpaBuild {
           pname = "counsel";
  
positive.code:       elpaBuild {
          pname = "eev";
          ename = "eev";
          version = "20211011";
          src = fetchurl {
            url = "https://elpa.gnu.org/packages/eev-20211011.tar";
            sha256 = "1a71qam6z5s3zl7fvxpsnabbqxh8a7llm1524nxs2353pb6ksfra";
          };
          packageRequires = [ emacs ];
          meta = {
  
negative.code:       elpaBuild {
          pname = "xref";
          ename = "xref";
          version = "1.3.2";
          src = fetchurl {
            url = "https://elpa.gnu.org/packages/xref-1.3.2.tar";
            sha256 = "13bsaxdxwn14plaam0hsrswngh3rm2k29v5ybjgjyjy4d5vwz78j";
          };
          packageRequires = [ emacs ];
          meta = {
  