anchor.diff:          outputHashAlgo
           urls;
         failEarly = true;
  -      pgpsigUrls = map (n: "${n}.sig") urls;
  -      pgpKeyFingerprint = "45D0 8394 6E30 3528 2B3C  CA9A F434 1042 35DA 97EB";
  +      fullOpts = {
  +        pgpsigUrls = map (n: "${n}.sig") urls;
  +        pgpKeyFingerprint = "45D0 8394 6E30 3528 2B3C  CA9A F434 1042 35DA 97EB";
  +      };
       };
     };
   
  
positive.code:     boolEn
      boolWt;
  
    version = "2.2.7";
  in
  stdenv.mkDerivation rec {
    name = "cups-${version}";
  
negative.code:     url = "https://github.com/apple/cups/releases/download/v${version}/"
        + "cups-${version}-source.tar.gz";
      hashOutput = false;
      sha256 = "3968fc1d26fc48727508db1c1380e36c6694ab90177fd6920aec5f6cc73af9e4";
    };
  
    buildInputs = [
  