anchor.diff:  
     # GitHub plugins overrides
     ghPluginsOverrides = {
  -    # newer picks
  -    ## TODO remove when https://github.com/NixOS/nixpkgs/pull/97985 gets to the stable release
  -    nerdtree-git-plugin = {
  -      # https://github.com/Xuyuanp/nerdtree-git-plugin
  -      # In <nixpkgs> this really outdated fork is used instead:
  -      # https://github.com/albfan/nerdtree-git-plugin
  -      rev = "a8c031f11dd312f53357729ca47ad493e798aa86"; # "master" branch, 11 September 2020
  -      sha256 = "1d64cmywhj43q9fkrh0kcfsxa7ijxcb1fbz38pxaacg082y6l0jy";
  -    };
  -    ## newer fzf plugin supports floating window feature of neovim
  -    fzf = {
  -      rev = "7acdaf0b4335a6c089bce5b73ff23aeb3b9d9c92"; # "master" branch, 19 November 2020
  -      sha256 = "104fdllxa5a0mjr0h9dsy37vi5m2sma9d31wj573zjh4r1dpbq8m";
  -    };
  -    "fzf.vim" = {
  -      rev = "53b3aea0da5e3581e224c958dbc13558cbe5daee"; # "master" branch, 11 November 2020
  -      sha256 = "0r19v3431ps7mmq2vb0vf1phwmgi1xp0n7z43wa68i4ilyjhbnr6";
  -    };
       # own plugins
       vim-line-no-indicator = {
         rev = "8704d4836cef4b2a73c767db293f2487b636e1e7"; # "patch-1" branch, 9 January 2020
  
positive.code:       rev = "4b3b4c9f079b65d2b525f567715f0aabe60cfdf3"; # "master" branch, 5 June 2016
        sha256 = "051piyf403k98zxjv0qm68qhgajwv57hblxdab2awsyvk9gzv5lc";
      };
      "vim-jinja2-syntax" = {
        rev = "ceb0f8076ee9aa802668448cefdd782edff4f6b2"; # "master" branch, 23 May 2020
        sha256 = "0vb07nhw2l165804lcfw831n20c7aa3hbsvidhz9magp0csfgphc";
      };
      "nginx.vim" = {
        rev = "152bbb2dc00c2df37049ccf75f68f294208c72cb"; # "master" branch, 27 November 2010
        sha256 = "16d21sci6v4chiv9sc0g073l37yz0my2jh7hzck0y2rhixm955wm";
  
negative.code:       rev = "3d80096127b6481a18abadb8e45091c3390dc40d"; # "master" branch, 31 July 2020
        sha256 = "0p0hngm3armhmcvkzb3q5nnw12dvz2adf6iw23hamyr6mhyl627b";
      };
      # TODO Try https://github.com/peitalin/vim-jsx-typescript/ (pkgs.vimPlugins.vim-jsx-typescript)
      "vim-jsx" = {
        rev = "8879e0d9c5ba0e04ecbede1c89f63b7a0efa24af"; # "master" branch, 29 September 2019
        sha256 = "0czjily7kjw7bwmkxd8lqn5ncrazqjsfhsy3sf2wl9ni0r45cgcd";
  