anchor.diff:    # * https://nixos.org/nix/manual/#ssec-derivation
     #   Explanation about derivations in general
     mkDerivation =
  -    { name ? ""
  +    {
   
       # These types of dependencies are all exhaustively documented in
       # the "Specifying Dependencies" section of the "Standard
  
positive.code:       meta = {
            # `name` above includes cross-compilation cruft (and is under assert),
            # lets have a clean always accessible version here.
            name = if name != "" then name else "${attrs.pname}-${attrs.version}";
  
            # If the packager hasn't specified `outputsToInstall`, choose a default,
            # which is the name of `p.bin or p.out or p`;
  
negative.code:     # TODO(@Ericson2314): Stop using legacy dep attribute names
  
      #                           host offset -> target offset
        depsBuildBuild              ? [] # -1 -> -1
      , depsBuildBuildPropagated    ? [] # -1 -> -1
      , nativeBuildInputs           ? [] # -1 ->  0  N.B. Legacy name
      , propagatedNativeBuildInputs ? [] # -1 ->  0  N.B. Legacy name
  