anchor.diff:          urls;
         failEarly = true;
         pgpsigUrls = map (n: "${n}.sig") urls;
  -      pgpKeyFingerprint = "3737 FD0D 0E63 B301 7244  0D2D DBA3 A7AB 08D7 6223";
  +      pgpKeyFingerprint = "45D0 8394 6E30 3528 2B3C  CA9A F434 1042 35DA 97EB";
       };
     };
   
  
positive.code:     boolEn
      boolWt;
  
    version = "2.2.6";
  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 = "3c4b637b737077565ccdfbd5f61785d03f49461ae736fcc2c0ffaf41d2c6ea6a";
    };
  
    buildInputs = [
  