anchor.diff:        (pkgs.stdenv.overrides pkgs);
   
     # The un-overriden packages, passed to `overrider'.
  -  pkgsInit = pkgsFun pkgs {};
  +  pkgsInit = pkgsFun pkgs;
   
     # Return the complete set of packages, after applying the overrides
     # returned by the `overrider' function (see above).  Warning: this
  
positive.code:       overrides = overrider pkgs pkgsOrig // stdenvOverrides pkgsOrig;
  
        # The overriden, final packages.
        pkgs = pkgsFun pkgs overrides;
      in pkgs;
  
    # The package compositions.  Yes, this isn't properly indented.
    pkgsFun = pkgs: overrides:
      let
        defaultScope = pkgs // pkgs.xorg;
  
  
negative.code: aliases = import ./aliases.nix self;
  
  in
    helperFunctions // stdenvDefault // self // aliases;
  
  in
    pkgs
  