anchor.diff:  { stdenv
   , buildPythonPackage
   , fetchPyPi
  +, lib
   
  +#, defusedxml
   , libarchive-c
  +#. progressbar
   , python-magic
   }:
   
   let
  -  version = "113";
  +  version = "118";
   in
   buildPythonPackage rec {
     name = "diffoscope-${version}";
  
positive.code:   '';
  
    propagatedBuildInputs = [
      libarchive-c
      python-magic
    ];
  
    meta = with stdenv.lib; {
      description = "Perform in-depth comparison of files, archives, and directories";
      homepage = https://wiki.debian.org/ReproducibleBuilds;
      license = licenses.gpl3Plus;
      maintainers = with maintainers; [
        wkennington
  
negative.code:   src = fetchPyPi {
      package = "diffoscope";
      inherit version;
      sha256 = "14d63a69822388e2929126f241b8f034913296069b556266c0dc4597fab0a5ff";
    };
  
    postPatch = /* Fix invalid encoding in README */ ''
  