anchor.diff:  
       cp -r Resource "$out/share/ghostscript/${version}"
   
  -    mkdir -p "$doc/share/ghostscript/${version}"
  -    mv "$out/share/ghostscript/${version}"/{doc,examples} "$doc/share/ghostscript/${version}/"
  +    mkdir -p "$doc/share/doc/ghostscript"
  +    mv "$doc/share/doc/${version}" "$doc/share/doc/ghostscript/"
   
       ln -s "${fonts}" "$out/share/ghostscript/fonts"
     '' + stdenv.lib.optionalString stdenv.isDarwin ''
  
positive.code: assert cupsSupport -> cups != null;
  let
    version = "9.${ver_min}";
    ver_min = "22";
    sha256 = "1fyi4yvdj39bjgs10klr31cda1fbx1ar7a7b7yz7v68gykk65y61";
  
    fonts = stdenv.mkDerivation {
      name = "ghostscript-fonts";
  
negative.code: 
    src = fetchurl {
      url = "https://github.com/ArtifexSoftware/ghostpdl-downloads/releases/download/gs9${ver_min}/${name}.tar.xz";
      inherit sha512;
    };
  
    outputs = [ "out" "man" "doc" ];
  