anchor.diff:  
     zephyr-nvim = buildVimPluginFrom2Nix {
       pname = "zephyr-nvim";
  -    version = "2021-03-18";
  +    version = "2021-03-23";
       src = fetchFromGitHub {
         owner = "glepnir";
         repo = "zephyr-nvim";
  -      rev = "05315a214fc0b4681e596cbcb40045d54564ff8c";
  -      sha256 = "0bapbwyvvbvqd8ggcyns2y5iya44jvb0jxq14xh5qfnxiycrwrgi";
  +      rev = "79e273ed8ff386a81e6a88ae888ec6d878a9dcbc";
  +      sha256 = "00x0b2lwrfkmny6rhwjrb1kyp2lai597f6f62whhwgw7iq9j5b5k";
       };
       meta.homepage = "https://github.com/glepnir/zephyr-nvim/";
     };
  
positive.code: 
    sonokai = buildVimPluginFrom2Nix {
      pname = "sonokai";
      version = "2021-02-28";
      src = fetchFromGitHub {
        owner = "sainnhe";
        repo = "sonokai";
        rev = "86298232f4f5ab418d5d9d18a336d7ab8b167b68";
        sha256 = "060k664gm4857nfmxaj0v6sz50mb3y9v8489jnv1bhqplzqf8gmy";
      };
      meta.homepage = "https://github.com/sainnhe/sonokai/";
    };
  
negative.code: 
    playground = buildVimPluginFrom2Nix {
      pname = "playground";
      version = "2021-03-22";
      src = fetchFromGitHub {
        owner = "nvim-treesitter";
        repo = "playground";
        rev = "d96cef521d22afd1a409449a890f20f50b436ee1";
        sha256 = "1j1iqzi9q8fnl02hvazl8szg84iz8dqy0n52ngh1lvl78s9qa393";
      };
      meta.homepage = "https://github.com/nvim-treesitter/playground/";
    };
  