anchor.diff:  
     vimtex = buildVimPluginFrom2Nix {
       pname = "vimtex";
  -    version = "2021-07-18";
  +    version = "2021-07-24";
       src = fetchFromGitHub {
         owner = "lervag";
         repo = "vimtex";
  -      rev = "830659752b8914f6b4567a00448901246e4d1841";
  -      sha256 = "1zdi1kblk03gwifpg1nanq4ppn9xw6af92l3li86ziw89bv3bad9";
  +      rev = "d1439f47a481b8665fbfa8511c6ae4e7514bdfc7";
  +      sha256 = "0brs97yhnfbkyyz6fzhs7s7kjwgwrw6kkinyycq51idxqdqvk4s8";
       };
       meta.homepage = "https://github.com/lervag/vimtex/";
     };
  
positive.code: 
    packer-nvim = buildVimPluginFrom2Nix {
      pname = "packer-nvim";
      version = "2021-07-22";
      src = fetchFromGitHub {
        owner = "wbthomason";
        repo = "packer.nvim";
        rev = "fdf005f5697742da121391d31ad42a47842264f9";
        sha256 = "15amdgzdiaf0srzzwy2pgk7d44bwls5pzj2088xf1206754znsas";
      };
      meta.homepage = "https://github.com/wbthomason/packer.nvim/";
    };
  
negative.code: 
    chadtree = buildVimPluginFrom2Nix {
      pname = "chadtree";
      version = "2021-07-25";
      src = fetchFromGitHub {
        owner = "ms-jpq";
        repo = "chadtree";
        rev = "393fbc24cab3fdfaffca85e286e01c84bcf748c9";
        sha256 = "08pcp6dh6kibppndf97nzj90iw1qv51s4zk3vq59z16w32zwkzda";
      };
      meta.homepage = "https://github.com/ms-jpq/chadtree/";
    };
  