anchor.diff:          sqlite
   
           # electron libnotify
  -
  -        # nwjs_0_21
         ];
         ignoreCollisions = true;
       };
  
positive.code:             vim-better-whitespace vim-expand-region undotree
              vim-jsbeautify nerdtree-git-plugin deoplete-nvim deoplete-jedi
              deoplete-ternjs deoplete-go vim-gitgutter fugitive
              vim-visual-multi gv-vim
              yajs-vim es-next-syntax-vim neomake typescript-vim nvim-typescript
              neosnippet neosnippet-snippets vim-pasta auto-pairs ctrlsf-vim
              # othree/es.next.syntax.vim
            ];
            opt = [ ];
          };
  
negative.code:       name = "nodeenv";
        paths = with pkgs; [
          stdenv.cc git nix gnumake unzip which bashInteractive ruby busybox
          nodejs
          yarn
          xorg.libX11.dev
          # (npm2nix.override { nodejs = nodejs-9_x; })
          #((import /home/matejc/workarea/yarn2nix { inherit pkgs; nodejs = nodejs-8_x; }).yarn2nix)
          python
          utillinux
  