anchor.diff:      "http://download.icu-project.org/files/icu4c/${v}/icu4c"
     ];
   
  -  version = "58.1";
  +  version = "58.2";
   in
   stdenv.mkDerivation rec {
     name = "icu4c-${version}";
  
positive.code:   passthru = {
      srcVerification =
        let
          version = "58.1";
        in
        fetchurl {
          inherit (src) outputHashAlgo;
  
negative.code:           # Steven R. Loomis
            "4C95 9C0F 547B D2D8 B783  5B17 AAA9 AE9C 0F0D E47D"
          ];
          outputHash = "2b0a4410153a9b20de0e20c7d8b66049a72aef244b53683d0d7521371683da0c";
          failEarly = true;
        };
    };
  