anchor.diff:  
     mlton = callPackage ../development/compilers/mlton { };
   
  -  mono = mono58;
  +  mono  = mono5;
  +  mono5 = mono58;
  +  mono4 = mono48;
   
     mono40 = lowPrio (callPackage ../development/compilers/mono/4.0.nix {
       inherit (darwin) libobjc;
  
positive.code: 
    gdk_pixbuf = callPackage ../development/libraries/gdk-pixbuf { };
  
    gnome-sharp = callPackage ../development/libraries/gnome-sharp {};
  
    granite = callPackage ../development/libraries/granite { };
    elementary-cmake-modules = callPackage ../development/libraries/elementary-cmake-modules { };
  
negative.code: 
    fmodex = callPackage ../games/zandronum/fmod.nix { };
  
    pdfmod = callPackage ../applications/misc/pdfmod { mono = mono4; };
  
    pdf-quench = callPackage ../applications/misc/pdf-quench { };
  
  