anchor.diff:  
     vimtex = buildVimPluginFrom2Nix {
       pname = "vimtex";
  -    version = "2021-07-07";
  +    version = "2021-07-09";
       src = fetchFromGitHub {
         owner = "lervag";
         repo = "vimtex";
  -      rev = "ab62800ea987bcbf3bb53ace9280148a132594cf";
  -      sha256 = "1rcyhiss26zfkfzs8cb44z7d60098qjvvp1silyb5435agx58h1k";
  +      rev = "ba23a80f0762852127927becf223d4a011e2388f";
  +      sha256 = "1jv04ja5c2q7wpbkf5f3kndr1n5aspyddvwpwhran2ffjxnjaqk6";
       };
       meta.homepage = "https://github.com/lervag/vimtex/";
     };
  
positive.code: 
    chadtree = buildVimPluginFrom2Nix {
      pname = "chadtree";
      version = "2021-07-08";
      src = fetchFromGitHub {
        owner = "ms-jpq";
        repo = "chadtree";
        rev = "b7ca56a48d52b0b3c167bbeabe35f0fbf0aa5ac6";
        sha256 = "1c5vc1d0bhlaadrzad27z9y3k96mhfpj27mynci2g4fl73fhwdyg";
      };
      meta.homepage = "https://github.com/ms-jpq/chadtree/";
    };
  
negative.code: 
    ale = buildVimPluginFrom2Nix {
      pname = "ale";
      version = "2021-07-09";
      src = fetchFromGitHub {
        owner = "dense-analysis";
        repo = "ale";
        rev = "2a5a7baffc3b5530a2f167d241b87a3f09ed12e6";
        sha256 = "1dp69c3a1dhiz43cf4p34n2mja44dbfhxxn9y1p18ijvqmsbm2qm";
      };
      meta.homepage = "https://github.com/dense-analysis/ale/";
    };
  