anchor.diff:      prefix = "lib";
     };
   #
  -#  # All the new TeX Live is inside. See description in default.nix.
  - texlive = recurseIntoAttrs
  -    (callPackage ../tools/typesetting/tex/texlive-new { });
  -  texLive = callPackageAlias "texlive" { };
  +# All the new TeX Live is inside. See description in default.nix.
  +texlive =
  +  recurseIntoAttrs (callPackage ../tools/typesetting/tex/texlive-new { });
  +texLive = callPackageAlias "texlive" { };
   #
     #wine = callPackage ../misc/emulators/wine {
     #  wineRelease = config.wine.release or "stable";
  
positive.code: python3 = callPackageAlias "python36" { };
  python = callPackageAlias "python2" { };
  
  python27Packages = hiPrioSet (recurseIntoAttrs (callPackage ../top-level/python-packages.nix {
    python = callPackageAlias "python27" { };
    self = callPackageAlias "python27Packages" { };
  }));
  python36Packages = recurseIntoAttrs (callPackage ../top-level/python-packages.nix {
    python = callPackageAlias "python36" { };
    self = callPackageAlias "python36Packages" { };
  });
  #pypyPackages = recurseIntoAttrs (callPackage ../top-level/python-packages.nix {
  #  python = callPackageAlias "pypy" { };
  #  self = callPackageAlias "pypyPackages" { };
  #});
  python2Packages = callPackageAlias "python27Packages" { };
  python3Packages = callPackageAlias "python36Packages" { };
  pythonPackages = callPackageAlias "python2Packages" { };
  
negative.code: #
    docbook5 = callPackage ../data/sgml+xml/schemas/docbook-5.0 { };
  
    docbook_sgml_dtd_31 =
      callPackage ../data/sgml+xml/schemas/sgml-dtd/docbook/3.1.nix { };
  
    docbook_sgml_dtd_41 =
      callPackage ../data/sgml+xml/schemas/sgml-dtd/docbook/4.1.nix { };
  
    docbook_xml_dtd_412 =
      callPackage ../data/sgml+xml/schemas/xml-dtd/docbook/4.1.2.nix { };
  
    docbook_xml_dtd_42 =
      callPackage ../data/sgml+xml/schemas/xml-dtd/docbook/4.2.nix { };
  
    docbook_xml_dtd_43 =
      callPackage ../data/sgml+xml/schemas/xml-dtd/docbook/4.3.nix { };
  #
    docbook_xml_dtd_44 =
      callPackage ../data/sgml+xml/schemas/xml-dtd/docbook/4.4.nix { };
  #
    docbook_xml_dtd_45 =
      callPackage ../data/sgml+xml/schemas/xml-dtd/docbook/4.5.nix { };
  #
    freefont_ttf = callPackage ../data/fonts/freefont-ttf { };
  #
    meslo-lg = callPackage ../data/fonts/meslo-lg {};
  #
    mobile_broadband_provider_info =
      callPackage ../data/misc/mobile-broadband-provider-info { };
  #
    sound-theme-freedesktop =
      callPackage ../data/misc/sound-theme-freedesktop { };
  #
    unifont = callPackage ../data/fonts/unifont { };
  #
  