anchor.diff:  
     Coqtail = buildVimPluginFrom2Nix {
       pname = "Coqtail";
  -    version = "2021-01-26";
  +    version = "2021-02-09";
       src = fetchFromGitHub {
         owner = "whonore";
         repo = "Coqtail";
  -      rev = "c4d5c58771dd854671bd26b94693ecc1ffa21e39";
  -      sha256 = "1r66h030f1952cl1bgynwb3r80zjh5imxwm87gnyjk6rg9kpjqnd";
  +      rev = "f1deefb084b28197eaf988bbebff70dd86a99e03";
  +      sha256 = "1461h9qlfvvcvig4zrbylm4j11xkxmbnha1nk5829xm50pjkmca2";
       };
       meta.homepage = "https://github.com/whonore/Coqtail/";
     };
  
positive.code: 
    denite-nvim = buildVimPluginFrom2Nix {
      pname = "denite-nvim";
      version = "2021-02-08";
      src = fetchFromGitHub {
        owner = "Shougo";
        repo = "denite.nvim";
        rev = "fcf4415c701cb9e05d1f2c3dee4afeeba1d625fc";
        sha256 = "0kfb41k3gimjnqv9l288clwbqwznrgqqy3xanaw8306sgsjg7rs1";
      };
      meta.homepage = "https://github.com/Shougo/denite.nvim/";
    };
  
    deol-nvim = buildVimPluginFrom2Nix {
      pname = "deol-nvim";
      version = "2021-01-27";
      src = fetchFromGitHub {
        owner = "Shougo";
        repo = "deol.nvim";
        rev = "0c6e1653f0d0a904efa8da01e470ffe0bd1bf594";
        sha256 = "1jfwzvblcfx7yx0lhwps0smgsblrc0azncv1bzliyx27in3gn59s";
      };
      meta.homepage = "https://github.com/Shougo/deol.nvim/";
    };
  
negative.code: 
    chadtree = buildVimPluginFrom2Nix {
      pname = "chadtree";
      version = "2021-02-10";
      src = fetchFromGitHub {
        owner = "ms-jpq";
        repo = "chadtree";
        rev = "62e7bff3c4a29869423b88be2dff1314e1a34986";
        sha256 = "07dqd2z9xjc89b9p8hp2pwfbrimva3yp5493gwcpfnqsncxshm37";
      };
      meta.homepage = "https://github.com/ms-jpq/chadtree/";
    };
  