anchor.diff:  
     };
   
  -  mu4e-patch = callPackage ./mu4e-patch { };
  -
  -  org-mac-link =
  -    callPackage ./org-mac-link { };
  -
     ott-mode = self.trivialBuild {
       pname = "ott-mod";
   
  
positive.code:   elisp-ffi = melpaBuild rec {
      pname = "elisp-ffi";
      version = "1.0.0";
      src = pkgs.fetchFromGitHub {
        owner = "skeeto";
        repo = "elisp-ffi";
        rev = version;
        sha256 = "0z2n3h5l5fj8wl8i1ilfzv11l3zba14sgph6gz7dx7q12cnp9j22";
      };
      buildInputs = [ pkgs.libffi ];
      preBuild = "make";
      recipe = pkgs.writeText "recipe" ''
        (elisp-ffi
        :repo "skeeto/elisp-ffi"
        :fetcher github
        :files ("ffi-glue" "ffi.el"))
      '';
      meta = {
        description = "Emacs Lisp Foreign Function Interface";
        longDescription = ''
  
negative.code:     };
    };
  
    ghc-mod = melpaBuild {
      pname = "ghc";
      version = pkgs.haskellPackages.ghc-mod.version;
  
      src = pkgs.haskellPackages.ghc-mod.src;
  
      packageRequires = [ haskell-mode ];
  
      propagatedUserEnvPkgs = [ pkgs.haskellPackages.ghc-mod ];
  
      recipe = pkgs.writeText "recipe" ''
        (ghc-mod :repo "DanielG/ghc-mod" :fetcher github :files ("elisp/*.el"))
      '';
  
      fileSpecs = [ "elisp/*.el" ];
  
      meta = {
        description = "An extension of haskell-mode that provides completion of symbols and documentation browsing";
        license = bsd3;
  