anchor.diff:  
     neoformat = buildVimPluginFrom2Nix {
       pname = "neoformat";
  -    version = "2019-07-28";
  +    version = "2019-08-01";
       src = fetchFromGitHub {
         owner = "sbdchd";
         repo = "neoformat";
  -      rev = "673f9d571134299951250535402ac32ad713f8d5";
  -      sha256 = "1jvyb6rdfd60c36vyxpkfh4cbwk8v6bhqpk5i384a6gxc7577f0v";
  +      rev = "528b5e47ec9c29fbbd470f2af71b8ad994a96bdb";
  +      sha256 = "09cq8a4ryhxvnpjvpbm0dq22ccqfmym59avxr4c0ablx1sqy9lhy";
       };
     };
   
  
positive.code: 
    neosnippet-snippets = buildVimPluginFrom2Nix {
      pname = "neosnippet-snippets";
      version = "2019-07-21";
      src = fetchFromGitHub {
        owner = "Shougo";
        repo = "neosnippet-snippets";
        rev = "25dbe4ac607580fa05940dae24e544147d0bafeb";
        sha256 = "19vbk47mxa7j4bznk4vbxqzlscbk9kfqrsp6ja6x6bv7xvnhs8wm";
      };
    };
  
  
negative.code: 
    rust-vim = buildVimPluginFrom2Nix {
      pname = "rust-vim";
      version = "2019-08-01";
      src = fetchFromGitHub {
        owner = "rust-lang";
        repo = "rust.vim";
        rev = "772eaa6a991d2a0f53844f241a6af3bc1ab1fc50";
        sha256 = "1794yvladda6wz574qn0cv3giainqssl864vhh16aigjjaqy76nf";
      };
    };
  
  