anchor.diff:      "mirror://gnu/libunistring/libunistring-${version}.tar.xz"
     ];
   
  -  version = "0.9.9";
  +  version = "0.9.10";
   in
   stdenv.mkDerivation rec {
     name = "libunistring-${version}";
  
positive.code:   src = fetchurl {
      urls = tarballUrls version;
      hashOutput = false;
      sha256 = "a4d993ecfce16cf503ff7579f5da64619cee66226fb3b998dafb706190d9a833";
    };
  
    # One of the tests fails to compile for 0.9.6 when run in parallel
  
negative.code:   passthru = {
      srcVerification = fetchurl rec {
        failEarly = true;
        urls = tarballUrls "0.9.10";
        pgpsigUrls = map (n: "${n}.sig") urls;
        pgpKeyFingerprint = "4622 25C3 B46F 3487 9FC8  496C D605 848E D7E6 9871";
        inherit (src) outputHashAlgo;
        outputHash = "eb8fb2c3e4b6e2d336608377050892b54c3c983b646c561836550863003c05d7";
      };
    };
  
  