anchor.diff:  
     nvim-treesitter-textobjects = buildVimPluginFrom2Nix {
       pname = "nvim-treesitter-textobjects";
  -    version = "2021-04-23";
  +    version = "2021-05-11";
       src = fetchFromGitHub {
         owner = "nvim-treesitter";
         repo = "nvim-treesitter-textobjects";
  -      rev = "522b26a8795994b719a921a03cfacb0d7dcabf78";
  -      sha256 = "0ww1agq33l3jhbfwr5ri9m3ipr48kgwzlzxv96w43x6y29p61g2v";
  +      rev = "4f1ace57fbeed1f4e5613ea8c9b414ff0833eade";
  +      sha256 = "1in2q3igq74m900rkchdcgfcy3h60663b58xn2ydlbjsbzhc7vrn";
       };
       meta.homepage = "https://github.com/nvim-treesitter/nvim-treesitter-textobjects/";
     };
  
positive.code: 
    nvim-hlslens = buildVimPluginFrom2Nix {
      pname = "nvim-hlslens";
      version = "2021-04-30";
      src = fetchFromGitHub {
        owner = "kevinhwang91";
        repo = "nvim-hlslens";
        rev = "4ce0b6462b33b3857e5cd9c91c9f9ac33ae0357f";
        sha256 = "0n267lvr5sgn1n135bc1bhfxjlkcf2r1ydiccbcqs4mf8kjsj4hw";
      };
      meta.homepage = "https://github.com/kevinhwang91/nvim-hlslens/";
    };
  
negative.code: 
    echodoc-vim = buildVimPluginFrom2Nix {
      pname = "echodoc-vim";
      version = "2021-05-11";
      src = fetchFromGitHub {
        owner = "Shougo";
        repo = "echodoc.vim";
        rev = "7dc1d45d7ffd275c06bf207795cf071ae6c9f1a4";
        sha256 = "1hxywy423ikfkmcyqm467j741mn0ar4c5k7li0liniygjwpiaxjm";
      };
      meta.homepage = "https://github.com/Shougo/echodoc.vim/";
    };
  