anchor.diff:  in
     stdenv.mkDerivation rec {
       pname = "neovim-unwrapped";
  -    version = "0.3.8";
  +    version = "0.4.2";
   
       src = fetchFromGitHub {
         owner = "neovim";
         repo = "neovim";
         rev = "v${version}";
  -      sha256 = "15flii3p4g9f65xy9jpkb8liajrvhm5ck4j39z6d6b1nkxr6ghwb";
  +      sha256 = "13w446plvgl219lhj29jyimhiqvs1y1byrz4qpdmxgyddmx9xqss";
       };
   
       patches = [
  
positive.code: 
      cmakeFlags = [
        "-DGPERF_PRG=${gperf}/bin/gperf"
        "-DLUA_PRG=${neovimLuaEnv.interpreter}"
      ]
      ++ optional doCheck "-DBUSTED_PRG=${neovimLuaEnv}/bin/busted"
  
negative.code:       libtermkey
        libuv
        libvterm-neovim
        lua.pkgs.luv.libluv
        msgpack
        ncurses
        neovimLuaEnv
  