anchor.diff:      owner = "grahamc";
       repo = "xmloscopy";
       rev = "v${version}";
  -    sha256 = "07fcnf1vv0x72lksl1v0frmlh73gca199ldqqbgdjpybjdffz456";
  +    sha256 = "06y5bckrmnq7b5ny2hfvlmdws910jw3xbw5nzy3bcpqsccqnjxrc";
     };
   
     installPhase = ''
  
positive.code: }:
  stdenv.mkDerivation rec {
    name = "xmloscopy-${version}";
    version = "0.1.2";
  
    buildInputs = [
      makeWrapper
  
negative.code:     homepage = https://github.com/grahamc/xmloscopy;
      license = stdenv.lib.licenses.mit;
      platforms = stdenv.lib.platforms.all;
      maintainers = [ stdenv.lib.maintainers.grahamc ];
    };
  }
  