anchor.diff:        elpaBuild {
           pname = "popon";
           ename = "popon";
  -        version = "0.11";
  -        src = fetchurl {
  -          url = "https://elpa.nongnu.org/nongnu/popon-0.11.tar";
  -          sha256 = "03xxh9w215kmlw6vr3cjs9afkj6vrcip7k954sssx77bs1bpnqhz";
  +        version = "0.12";
  +        src = fetchurl {
  +          url = "https://elpa.nongnu.org/nongnu/popon-0.12.tar";
  +          sha256 = "06vsri7dka3qbiwfkl4ml8b99alah24zq8y4n1szh587xy3c7dj0";
           };
           packageRequires = [ emacs ];
           meta = {
  
positive.code:       elpaBuild {
          pname = "helm";
          ename = "helm";
          version = "3.8.9";
          src = fetchurl {
            url = "https://elpa.nongnu.org/nongnu/helm-3.8.9.tar";
            sha256 = "0hikp6g5g7cy290qxd768vxy91gxj92cwrrzp8kicxy3qck1q39v";
          };
          packageRequires = [ helm-core popup ];
          meta = {
  
negative.code:       elpaBuild {
          pname = "sweeprolog";
          ename = "sweeprolog";
          version = "0.8.8";
          src = fetchurl {
            url = "https://elpa.nongnu.org/nongnu/sweeprolog-0.8.8.tar";
            sha256 = "0h9vn4kc1f1vxvzxv14hbv24skjmishg408s4d8g39bylhj5c5s4";
          };
          packageRequires = [ emacs ];
          meta = {
  