anchor.diff:  
     neosnippet-vim = buildVimPluginFrom2Nix {
       pname = "neosnippet-vim";
  -    version = "2021-06-05";
  +    version = "2021-08-06";
       src = fetchFromGitHub {
         owner = "Shougo";
         repo = "neosnippet.vim";
  -      rev = "d2e1e6b4c4e17cab2debd0353fed77b417b53237";
  -      sha256 = "0bwlcija1sbml5ni7mz4q97hhnl7hiqamzzvqw8qyp8aw2b0kj1q";
  +      rev = "f490d5db67f91c41f86a9d796b42af9a6a3b0d01";
  +      sha256 = "1n0fd71hjyrw22p4a2cd3l153p1bnjw15y9vpdzncchy7r6wxdcs";
       };
       meta.homepage = "https://github.com/Shougo/neosnippet.vim/";
     };
  
positive.code: 
    nvim-lspconfig = buildVimPluginFrom2Nix {
      pname = "nvim-lspconfig";
      version = "2021-08-05";
      src = fetchFromGitHub {
        owner = "neovim";
        repo = "nvim-lspconfig";
        rev = "662159eeb112c076d90b2c3fe799f16a8165e4a6";
        sha256 = "0jazw69444zcvvzj7j8k2zjqwyymgcsvz42pxq10ll58apmjrzri";
      };
      meta.homepage = "https://github.com/neovim/nvim-lspconfig/";
    };
  
negative.code: 
    packer-nvim = buildVimPluginFrom2Nix {
      pname = "packer-nvim";
      version = "2021-08-07";
      src = fetchFromGitHub {
        owner = "wbthomason";
        repo = "packer.nvim";
        rev = "c0954d66fa658181c72733cda2991d258b47e816";
        sha256 = "1sjlffaymvci4lhrvnjndwnqbgm8n5379i14ipdjf0gqgd9xsczr";
      };
      meta.homepage = "https://github.com/wbthomason/packer.nvim/";
    };
  