anchor.diff:        elpaBuild {
           pname = "yasnippet-snippets";
           ename = "yasnippet-snippets";
  -        version = "0.2";
  -        src = fetchurl {
  -          url = "https://elpa.nongnu.org/nongnu/yasnippet-snippets-0.2.tar";
  -          sha256 = "1xhlx2n2sdpcc82cba9r7nbd0gwi7m821p7vk0vnw84dhwy863ic";
  +        version = "1.0";
  +        src = fetchurl {
  +          url = "https://elpa.nongnu.org/nongnu/yasnippet-snippets-1.0.tar";
  +          sha256 = "0p2a10wfh1dvmxbjlbj6p241xaldjim2h8vrv9aghvm3ryfixcpb";
           };
           packageRequires = [ yasnippet ];
           meta = {
  
positive.code:           license = lib.licenses.free;
          };
        }) {};
      caml = callPackage ({ cl-lib ? null, elpaBuild, emacs, fetchurl, lib }:
        elpaBuild {
          pname = "caml";
          ename = "caml";
          version = "4.8";
          src = fetchurl {
            url = "https://elpa.nongnu.org/nongnu/caml-4.8.tar";
            sha256 = "02wzjdd1ig8ajy65rf87zaysfddjbhyswifwlcs52ly7p84q72wk";
          };
          packageRequires = [ cl-lib emacs ];
          meta = {
            homepage = "https://elpa.gnu.org/packages/caml.html";
            license = lib.licenses.free;
  
negative.code:       elpaBuild {
          pname = "swift-mode";
          ename = "swift-mode";
          version = "8.4.0";
          src = fetchurl {
            url = "https://elpa.nongnu.org/nongnu/swift-mode-8.4.0.tar";
            sha256 = "1pfp1nvq2gny6kbiq3q0dcms0ysw43zq0aayfwqdj0llkf025dfp";
          };
          packageRequires = [ emacs seq ];
          meta = {
  