anchor.diff:  
     Coqtail = buildVimPluginFrom2Nix {
       pname = "Coqtail";
  -    version = "2021-01-18";
  +    version = "2021-01-21";
       src = fetchFromGitHub {
         owner = "whonore";
         repo = "Coqtail";
  -      rev = "c58071ff5ad86baad107f43737c64a18b574cd3a";
  -      sha256 = "1pbkvxcwzvyy47bfv1r1ldzcf0qqkbbx2bq4jl93di5bg7kl57qb";
  +      rev = "ff42b26f69634ed9fb3001887d80c65a759458e5";
  +      sha256 = "0b4pra6f83933kl1ys8k4q9y9mx6a7qc7z757s82b0jk92cs790b";
       };
       meta.homepage = "https://github.com/whonore/Coqtail/";
     };
  
positive.code: 
    far-vim = buildVimPluginFrom2Nix {
      pname = "far-vim";
      version = "2020-12-12";
      src = fetchFromGitHub {
        owner = "brooth";
        repo = "far.vim";
        rev = "f92a9ef537c195815ddc12ce919dae607f3d887b";
        sha256 = "1i6mzbfylq3212saipq79s5yb00y9083wsi7dax37bcfb8ryl841";
      };
      meta.homepage = "https://github.com/brooth/far.vim/";
    };
  
negative.code: 
    playground = buildVimPluginFrom2Nix {
      pname = "playground";
      version = "2021-01-21";
      src = fetchFromGitHub {
        owner = "nvim-treesitter";
        repo = "playground";
        rev = "7e373e5706a2df71fd3a96b50d1f7b0c3e7a0b36";
        sha256 = "1vrfjv22whdmwna4xlvpsajx69fs8dkfwk0ji1jnvbyxmhki8mik";
      };
      meta.homepage = "https://github.com/nvim-treesitter/playground/";
    };
  