anchor.diff:  
     denite-nvim = buildVimPluginFrom2Nix {
       pname = "denite-nvim";
  -    version = "2019-08-04";
  +    version = "2019-08-17";
       src = fetchFromGitHub {
         owner = "Shougo";
         repo = "denite.nvim";
  -      rev = "fb56c2ca2ff655c4d82e000e13e233629894caac";
  -      sha256 = "1bwcm7smvfpllbkxb512ys9gjc5gin7v75jkys7q0xq0xb73d1hn";
  +      rev = "c263e50e03e62dc15fc912fd9eaca75752d33fd0";
  +      sha256 = "19avsx03wv3piq6c1x105na08f90c0p24rz8x59c2yv0p1gdm74n";
       };
     };
   
  
positive.code: 
    vundle = buildVimPluginFrom2Nix {
      pname = "vundle";
      version = "2018-02-03";
      src = fetchFromGitHub {
        owner = "gmarik";
        repo = "vundle";
        rev = "9a38216a1c0c597f978d73547d37681fc689c90d";
        sha256 = "1695glma8zf2lnp0w713sdvwqagf1s127p4i60114nk6gx5g5x2c";
      };
    };
  
  
negative.code: 
    vim-javascript = buildVimPluginFrom2Nix {
      pname = "vim-javascript";
      version = "2019-08-14";
      src = fetchFromGitHub {
        owner = "pangloss";
        repo = "vim-javascript";
        rev = "b6c8c8419240bdd29b5eb51a47d488fd390deed5";
        sha256 = "0p56av0zmig4rpsq4w4armnccyd713xdm5lwrck3cip55c39382f";
      };
    };
  
  