anchor.diff:  
     vim-clap = buildVimPluginFrom2Nix {
       pname = "vim-clap";
  -    version = "2021-01-01";
  +    version = "2021-01-05";
       src = fetchFromGitHub {
         owner = "liuchengxu";
         repo = "vim-clap";
  -      rev = "b9ca65dbcc89dfb2702fb2ab0e98c7119f4e6bbf";
  -      sha256 = "0j9xh0yf224fsnm9ksml9m8jfx4m9iji0a6h8q0mk8zglvh6qksc";
  +      rev = "83cac4972caef144d0e947025ff43af6fd2becac";
  +      sha256 = "18cackh5rrkyg7ffhwp4vca6srr1hlj3gximjdwc6krcgq0v0r0s";
       };
       meta.homepage = "https://github.com/liuchengxu/vim-clap/";
     };
  
positive.code: 
    vim-visual-multi = buildVimPluginFrom2Nix {
      pname = "vim-visual-multi";
      version = "2021-01-01";
      src = fetchFromGitHub {
        owner = "mg979";
        repo = "vim-visual-multi";
        rev = "c27966b82e3ebf39278b53ae600c9763907937d9";
        sha256 = "15246xx9qixgdw1wff4kka9vcpkirkdbz8j25zhicx3dqvqzzb4c";
      };
      meta.homepage = "https://github.com/mg979/vim-visual-multi/";
    };
  
negative.code: 
    nvim-treesitter = buildVimPluginFrom2Nix {
      pname = "nvim-treesitter";
      version = "2021-01-07";
      src = fetchFromGitHub {
        owner = "nvim-treesitter";
        repo = "nvim-treesitter";
        rev = "2e8621ff1afa2284de3df316ecd0baf8e9195927";
        sha256 = "0yb5lf29j3ddi9ia7lld8ps662r7kw2znxhp2pyyjlgnd76m08nr";
      };
      meta.homepage = "https://github.com/nvim-treesitter/nvim-treesitter/";
    };
  