anchor.diff:  
     fatsort = callPackage ../tools/filesystems/fatsort { };
   
  -  fatrace = callPackage ../os-specific/linux/fatrace { };
  -
     fcitx = callPackage ../tools/inputmethods/fcitx { };
   
     fcitx-anthy = callPackage ../tools/inputmethods/fcitx/fcitx-anthy.nix { };
  
positive.code: 
    eject = utillinux;
  
    ffado = callPackage ../os-specific/linux/ffado { };
  
    fbterm = callPackage ../os-specific/linux/fbterm { };
  
negative.code: 
    cmucl_binary = callPackage ../development/compilers/cmucl/binary.nix { };
  
    compcert = callPackage ../development/compilers/compcert {};
  
    cryptol = haskell-ng.packages.ghc763.cryptol;
  