anchor.diff:  
     nvim-treesitter-textobjects = buildVimPluginFrom2Nix {
       pname = "nvim-treesitter-textobjects";
  -    version = "2021-01-01";
  +    version = "2021-02-14";
       src = fetchFromGitHub {
         owner = "nvim-treesitter";
         repo = "nvim-treesitter-textobjects";
  -      rev = "065b342db053810ac7a5ee9740b891cfa05c380f";
  -      sha256 = "07yl5iin11snw2637860r9zva9yfn7qkljkv0sjfldm73afflds7";
  +      rev = "b0f6d2c91b46faecee8b44f426de4b40d8ec8494";
  +      sha256 = "1r93lbh6yzq59nzkj8sdmdy4pjris5cjlh7w491xkahyizfja1ln";
       };
       meta.homepage = "https://github.com/nvim-treesitter/nvim-treesitter-textobjects/";
     };
  
positive.code: 
    denite-nvim = buildVimPluginFrom2Nix {
      pname = "denite-nvim";
      version = "2021-02-11";
      src = fetchFromGitHub {
        owner = "Shougo";
        repo = "denite.nvim";
        rev = "2ea80dfe51974a21a7ec695c23fe86be3a8b10ac";
        sha256 = "0ilqw2jfrjq1h0camgqzf3h0p78gz5k4v8sgsixfbijv0syim2y0";
      };
      meta.homepage = "https://github.com/Shougo/denite.nvim/";
    };
  
negative.code: 
    Coqtail = buildVimPluginFrom2Nix {
      pname = "Coqtail";
      version = "2021-02-16";
      src = fetchFromGitHub {
        owner = "whonore";
        repo = "Coqtail";
        rev = "309b5ca4386e0a191168c2a4a7e6a0e8ddcb0317";
        sha256 = "07fhi1wsa8p3hqrkr56is4ijpc879npqfnhkv6cfi01aagp8kz9h";
      };
      meta.homepage = "https://github.com/whonore/Coqtail/";
    };
  