anchor.diff:  
     vim-plug = buildVimPluginFrom2Nix {
       pname = "vim-plug";
  -    version = "2019-02-22";
  +    version = "2019-04-11";
       src = fetchFromGitHub {
         owner = "junegunn";
         repo = "vim-plug";
  -      rev = "d1c19a6fa934d90718c18e40acbec0ad7014e931";
  -      sha256 = "0adgz8fx1xpaqv9mzz55k51i9f407013z53p6vmw0rh5pz5kc58g";
  +      rev = "518a3566c32cec35c68749c765127ef6f7703630";
  +      sha256 = "1zkjazyz1karbqk6cyyw3zmdk6sy6vfs4qrhfbhs5c83gz4jm46r";
       };
     };
   
     vim-plugin-AnsiEsc = buildVimPluginFrom2Nix {
       pname = "vim-plugin-AnsiEsc";
  -    version = "2018-05-10";
  +    version = "2019-04-07";
       src = fetchFromGitHub {
         owner = "powerman";
         repo = "vim-plugin-AnsiEsc";
  -      rev = "9df135fd4a564559aad0f6d28ae6975678cedcaf";
  -      sha256 = "06s6fz3jw6pmy08nqzlvzhcgnv2d2p0vs863hqvd39amhg1xa5nf";
  +      rev = "690f820d20b6e3a79ba20499874eb7333aa4ca5c";
  +      sha256 = "05sf9xh7zs475kykz1hsp0xp7iiclp7pdiy3bpx7wlfp9z71bd9p";
       };
     };
   
  
positive.code: 
    neoformat = buildVimPluginFrom2Nix {
      pname = "neoformat";
      version = "2019-03-28";
      src = fetchFromGitHub {
        owner = "sbdchd";
        repo = "neoformat";
        rev = "8db90526af3655e32f803e18176150f593cd08a6";
        sha256 = "0vv81hxc2f53299xvb8m0px6f0kpmmr4h5h6h5wzqyg7xixfjg0i";
      };
    };
  
  
negative.code: 
    vim-projectionist = buildVimPluginFrom2Nix {
      pname = "vim-projectionist";
      version = "2019-04-06";
      src = fetchFromGitHub {
        owner = "tpope";
        repo = "vim-projectionist";
        rev = "00fbe9b87414e13b11dafb0849b2fde9b9cc35f4";
        sha256 = "06ncrhd0g3q6ps0k0iiqkw7dv70q0rn9109wy1ywvjwpzdpdvvv5";
      };
    };
  
  