anchor.diff:  
     packer-nvim = buildVimPluginFrom2Nix {
       pname = "packer.nvim";
  -    version = "2021-11-03";
  +    version = "2021-11-30";
       src = fetchFromGitHub {
         owner = "wbthomason";
         repo = "packer.nvim";
  -      rev = "7f62848f3a92eac61ae61def5f59ddb5e2cc6823";
  -      sha256 = "1sgrwm271pnvw9anl1y8x94bz0w7qvi3bdiqh1wpwvsqic73frq3";
  +      rev = "db3c3e3379613443d94e677a6ac3f61278e36e47";
  +      sha256 = "0zn6a11j2fp8lmc6kkkmi5nmz4xmrnrymdxpzrxmq8a5iw9cg2bg";
       };
       meta.homepage = "https://github.com/wbthomason/packer.nvim/";
     };
  
positive.code: 
    vim-matchup = buildVimPluginFrom2Nix {
      pname = "vim-matchup";
      version = "2021-11-24";
      src = fetchFromGitHub {
        owner = "andymass";
        repo = "vim-matchup";
        rev = "2c3227b3de50d248ad6c8900b3e12f1dd21994ac";
        sha256 = "129bqyg611swh9rhahvfybc9n0wdrgkknk0b2bx1zx634078n9x8";
      };
      meta.homepage = "https://github.com/andymass/vim-matchup/";
    };
  
negative.code: 
    goto-preview = buildVimPluginFrom2Nix {
      pname = "goto-preview";
      version = "2021-11-29";
      src = fetchFromGitHub {
        owner = "rmagatti";
        repo = "goto-preview";
        rev = "308fb0fc4810ddd29209d2840cd92c68a5bd005e";
        sha256 = "0nlww4f8v5w05qz44pw3hdapkfm22gp12733pp634r1hi6ga0kdj";
      };
      meta.homepage = "https://github.com/rmagatti/goto-preview/";
    };
  