anchor.diff:  
     vim-sneak = buildVimPluginFrom2Nix {
       pname = "vim-sneak";
  -    version = "2021-07-11";
  +    version = "2021-10-17";
       src = fetchFromGitHub {
         owner = "justinmk";
         repo = "vim-sneak";
  -      rev = "95374ad3e4b5ef902854e8f4bcfa9a7a31a91d71";
  -      sha256 = "0ns80kjirk72l5lapl7m32ybyr5q71p2mr8a45ihh1k2dlc2wv06";
  +      rev = "94c2de47ab301d476a2baec9ffda07367046bec9";
  +      sha256 = "110f06rf1m6p0asr5h4sr80wpwji3krwna5vdn6aakvcr8a7qqdi";
       };
       meta.homepage = "https://github.com/justinmk/vim-sneak/";
     };
  
positive.code: 
    lightspeed-nvim = buildVimPluginFrom2Nix {
      pname = "lightspeed.nvim";
      version = "2021-10-09";
      src = fetchFromGitHub {
        owner = "ggandor";
        repo = "lightspeed.nvim";
        rev = "0836af9ad0c4bb913c8e00595bb25620c894fb97";
        sha256 = "0vj84656vifg5c47m2pj7sfp9gz5ikpq9n0p57047d8r1arw50xg";
      };
      meta.homepage = "https://github.com/ggandor/lightspeed.nvim/";
    };
  
negative.code: 
    syntastic = buildVimPluginFrom2Nix {
      pname = "syntastic";
      version = "2021-10-18";
      src = fetchFromGitHub {
        owner = "vim-syntastic";
        repo = "syntastic";
        rev = "d086f49d389e1c2d58211b1f92cf20c9f63dc325";
        sha256 = "0cnd2m1dnx69657dpckiiy1slx2fpnpggm3qs0nzm5rm3qpzx185";
      };
      meta.homepage = "https://github.com/vim-syntastic/syntastic/";
    };
  