anchor.diff:        elpaBuild {
           pname = "setup";
           ename = "setup";
  -        version = "0.1.1";
  -        src = fetchurl {
  -          url = "https://elpa.gnu.org/packages/setup-0.1.1.tar";
  -          sha256 = "0z34m06lxw6xd6bxacm1h5cijamsksk4daf6fbzhd7kqmw3gbgqg";
  +        version = "0.1.2";
  +        src = fetchurl {
  +          url = "https://elpa.gnu.org/packages/setup-0.1.2.tar";
  +          sha256 = "1q29phch4fvmvc255kgvzsnzdqp6kaip7ybpxprd0kkdjs3jrsqv";
           };
           packageRequires = [ emacs ];
           meta = {
  
positive.code:         packageRequires = [];
          meta = {
            homepage = "https://elpa.gnu.org/packages/shelisp.html";
            license = lib.licenses.free;
          };
        }) {};
  
negative.code:       elpaBuild {
          pname = "auctex";
          ename = "auctex";
          version = "13.0.5";
          src = fetchurl {
            url = "https://elpa.gnu.org/packages/auctex-13.0.5.tar";
            sha256 = "072wwsqfl8n2gi2inbp0s8k1ydr6fh1zyvc3rgynwzibjjniy319";
          };
          packageRequires = [ cl-lib emacs ];
          meta = {
  