anchor.diff:    };
   
     popup-nvim = buildVimPluginFrom2Nix {
  -    pname = "popup-nvim";
  +    pname = "popup.nvim";
       version = "2021-08-09";
       src = fetchFromGitHub {
         owner = "nvim-lua";
  
positive.code:   };
  
    nim-vim = buildVimPluginFrom2Nix {
      pname = "nim-vim";
      version = "2020-10-16";
      src = fetchFromGitHub {
        owner = "zah";
  
negative.code:   };
  
    which-key-nvim = buildVimPluginFrom2Nix {
      pname = "which-key.nvim";
      version = "2021-08-05";
      src = fetchFromGitHub {
        owner = "folke";
  