anchor.diff:  
     nvim-lspconfig = buildVimPluginFrom2Nix {
       pname = "nvim-lspconfig";
  -    version = "2021-02-06";
  +    version = "2021-02-12";
       src = fetchFromGitHub {
         owner = "neovim";
         repo = "nvim-lspconfig";
  -      rev = "041dfd7fb648d24c80cb8829dda2469f66f88490";
  -      sha256 = "105xswyz91sphqr59kzg2df9dhs01d5g2nwmlnnbq0fpbdfjnylb";
  +      rev = "d3c178ac78f8930d4ca094685744f5c705b56b55";
  +      sha256 = "1mj761vxq3dd7m384ig6dhipg43qw1w3cpkkvq9aymnlsvfi5b1d";
       };
       meta.homepage = "https://github.com/neovim/nvim-lspconfig/";
     };
  
positive.code: 
    nvim-hlslens = buildVimPluginFrom2Nix {
      pname = "nvim-hlslens";
      version = "2021-01-21";
      src = fetchFromGitHub {
        owner = "kevinhwang91";
        repo = "nvim-hlslens";
        rev = "492c61ccef4562687d319bba48f824426b4613d6";
        sha256 = "1587mms2qr8n6igsln54vanpzhhm1s7mhrvr4iyszh47dlhjkvdi";
      };
      meta.homepage = "https://github.com/kevinhwang91/nvim-hlslens/";
    };
  
negative.code: 
    lf-vim = buildVimPluginFrom2Nix {
      pname = "lf-vim";
      version = "2021-02-12";
      src = fetchFromGitHub {
        owner = "ptzz";
        repo = "lf.vim";
        rev = "3223bccf0ee4168aae6753a5cf0c0aa32a60c586";
        sha256 = "1qka3hqm2376wz5pbr8x2c3rqycv392lv34spkqayq0d0fs4sqq0";
      };
      meta.homepage = "https://github.com/ptzz/lf.vim/";
    };
  