anchor.diff:      };
     };
   
  +  flycheck = melpaBuild rec {
  +    pname   = "flycheck";
  +    version = "0.23";
  +    src = fetchFromGitHub {
  +      owner  = pname;
  +      repo   = pname;
  +      rev    = version;
  +      sha256 = "1ydk1wa7h7z9qw7prfvszxrmy2dyzsdij3xdy10rq197xnrw94wz";
  +    };
  +    packageRequires = [ dash let-alist pkg-info ];
  +    meta = { license = gpl3Plus; };
  +  };
  +
  +  flycheck-haskell = melpaBuild rec {
  +    pname   = "flycheck-haskell";
  +    version = "0.7.2";
  +    src = fetchFromGitHub {
  +      owner  = "flycheck";
  +      repo   = pname;
  +      rev    = version;
  +      sha256 = "0143lcn6g46g7skm4r6lqq09s8mr3268rikbzlh65qg80rpg9frj";
  +    };
  +    packageRequires = [ dash flycheck haskell-mode let-alist pkg-info ];
  +    meta = { license = gpl3Plus; };
  +  };
  +
     flycheck-pos-tip = melpaBuild rec {
       pname   = "flycheck-pos-tip";
       version = "20140813";
  
positive.code:       sha256 = "0b4x24aq0jh4j4bjv0fqyaz6hzh3gqf57k9763jj9rl32cc3dpnp";
      };
      packageRequires = [ flycheck popup ];
      meta = { license = gpl3Plus; };
    };
  
    flycheck = melpaBuild rec {
      pname   = "flycheck";
      version = "0.20";
      src = fetchFromGitHub {
        owner  = pname;
        repo   = pname;
        rev    = version;
        sha256 = "0cq7y7ssm6phvx5pfv2yqq4j0yqmm0lhjav7v4a8ql7094cd790a";
      };
      packageRequires = [ dash pkg-info ];
      meta = { license = gpl3Plus; };
    };
  
  
negative.code:       sha256 = "08dsv1dzgb9jx076ia7xbpyjpaxn1w87h6rzlb349spaydq7ih24";
      };
      fileSpecs = [ "lisp/lcs*.el" ];
      meta = { license = gpl3Plus; };
    };
  
    let-alist = melpaBuild rec {
      pname   = "let-alist";
      version = "1.0.4";
      src = fetchurl {
        url    = "http://elpa.gnu.org/packages/${pname}-${version}.el";
        sha256 = "07312bvvyz86lf64vdkxg2l1wgfjl25ljdjwlf1bdzj01c4hm88x";
      };
      unpackPhase = "true";
      buildPhase = ''
        cp $src ${pname}-${version}.el
      '';
      meta = { license = gpl3Plus; };
    };
  
  