anchor.diff:  { fetchurl, lib, stdenv, libtool, makeWrapper
  -, coreutils, ctags, ncurses, pythonPackages, sqlite, universal-ctags
  +, coreutils, ctags, ncurses, python3Packages, sqlite, universal-ctags
   }:
   
  -stdenv.mkDerivation rec {
  +let
  +  pygments = python3Packages.pygments;
  +in stdenv.mkDerivation rec {
     pname = "global";
     version = "6.6.5";
   
  
positive.code:     cp -v *.el "$out/share/emacs/site-lisp"
  
      wrapProgram $out/bin/gtags \
        --prefix PYTHONPATH : "$(toPythonPath ${pythonPackages.pygments})"
      wrapProgram $out/bin/global \
        --prefix PYTHONPATH : "$(toPythonPath ${pythonPackages.pygments})"
    '';
  
    meta = with lib; {
  
negative.code: 
    buildInputs = [ ncurses ];
  
    propagatedBuildInputs = [ pygments ];
  
    configureFlags = [
      "--with-ltdl-include=${libtool}/include"
  