anchor.diff:  
     popfix = buildVimPluginFrom2Nix {
       pname = "popfix";
  -    version = "2020-12-06";
  +    version = "2020-12-14";
       src = fetchFromGitHub {
         owner = "RishabhRD";
         repo = "popfix";
  -      rev = "2b0a2dfae0b32d218b1dbcacb72035b6c68067c7";
  -      sha256 = "1vg337p85cn2rknw9kxbjm750bwjrg61272yf8p2ncm8apfgnzjg";
  +      rev = "7aed4ff31ba6c2b603a7bc3be4e98cef09e6f7f7";
  +      sha256 = "01rz5rpnjjsf3zd6dh14wx6p2pkr8adjcp83jg28rkkzlw8qlv6l";
  +      fetchSubmodules = true;
       };
       meta.homepage = "https://github.com/RishabhRD/popfix/";
     };
   
     popup-nvim = buildVimPluginFrom2Nix {
       pname = "popup-nvim";
  -    version = "2020-10-08";
  +    version = "2020-12-12";
       src = fetchFromGitHub {
         owner = "nvim-lua";
         repo = "popup.nvim";
  -      rev = "8f128cc7b2a1d759ce343ef92ea311526c6bbe13";
  -      sha256 = "1jxy6lp7r1wvd296x4ql6c9w43iwdwaf8jzyg5azs3x9cdyx9b73";
  +      rev = "6f8f4cf35278956de1095b0d10701c6b579a2a57";
  +      sha256 = "0mvcms1ica4kpl5na0cppk0advyq96707zj394wvlnnq18dnsj4z";
       };
       meta.homepage = "https://github.com/nvim-lua/popup.nvim/";
     };
  
positive.code: 
    vim-jsbeautify = buildVimPluginFrom2Nix {
      pname = "vim-jsbeautify";
      version = "2019-10-18";
      src = fetchFromGitHub {
        owner = "maksimr";
        repo = "vim-jsbeautify";
        rev = "6003f9d420d56b91f5664ec5ed5a9a3a6d8df22b";
        sha256 = "06gxmqyxkw2mgdy6m7b248w0gzkwsjcpyihpnyf5cajb5aw4wk13";
        fetchSubmodules = true;
      };
      meta.homepage = "https://github.com/maksimr/vim-jsbeautify/";
  
negative.code: 
    vim-clap = buildVimPluginFrom2Nix {
      pname = "vim-clap";
      version = "2020-12-10";
      src = fetchFromGitHub {
        owner = "liuchengxu";
        repo = "vim-clap";
        rev = "610fc0186f2c13e5e24e3be3abf01954a5fcff22";
        sha256 = "1ibsrp34i856qg8x879y4gmbfpkryjs2c5ycgmw740bg478n9v2v";
      };
      meta.homepage = "https://github.com/liuchengxu/vim-clap/";
    };
  