anchor.diff:  
     falcon = buildVimPluginFrom2Nix {
       pname = "falcon";
  -    version = "2019-04-08";
  +    version = "2019-04-18";
       src = fetchFromGitHub {
         owner = "fenetikm";
         repo = "falcon";
  -      rev = "8d1cfd1b700c9945bf98a29d3713a9f1e0e9e5e6";
  -      sha256 = "0asm7wvvj3z5zvjm61kj7qg5k8jkqncdrd1snbb34nq4vayr5y7a";
  +      rev = "b0b5f19042685cd3ec3b3f388f64aaed489889db";
  +      sha256 = "0rikl448c1ps3phivb0xpx8a085wk5fz2xj1b6n24g88xfay1psm";
       };
     };
   
  
positive.code: 
    neosnippet-snippets = buildVimPluginFrom2Nix {
      pname = "neosnippet-snippets";
      version = "2019-03-16";
      src = fetchFromGitHub {
        owner = "Shougo";
        repo = "neosnippet-snippets";
        rev = "38024eceb05df57c1a3dbf64079f1120f51deb3c";
        sha256 = "16ppys1hvxbh1wivz3z0yyhd77l277lkp6xnsp2q1nwk70cwsag3";
      };
    };
  
  
negative.code: 
    iceberg-vim = buildVimPluginFrom2Nix {
      pname = "iceberg-vim";
      version = "2019-04-19";
      src = fetchFromGitHub {
        owner = "cocopon";
        repo = "iceberg.vim";
        rev = "24fd10b301e406ea2e6fb77c649688a3b34dc8c8";
        sha256 = "1i1k6cpv0nrliwf32m07ycsxx1h2m47c52wfb9bdbfk4pp9w62fp";
      };
    };
  
  