anchor.diff:  
     jedi-vim = buildVimPluginFrom2Nix {
       pname = "jedi-vim";
  -    version = "2019-09-28";
  +    version = "2019-10-20";
       src = fetchFromGitHub {
         owner = "davidhalter";
         repo = "jedi-vim";
  -      rev = "b4b2f3ef54c02d6f8fb09cf1eb0f139d3a45bdb8";
  -      sha256 = "0947003kyy0hpymhnl13mgv2in3q5q26y3d1gqqx4hy63plcxi14";
  +      rev = "08f13af066fad3a60cf241b37ac1878b8cfafa46";
  +      sha256 = "0ghdbxmmw1s67vb4l4ap6n6dy69lpp8k1sln27abxhympi2fs2dg";
         fetchSubmodules = true;
       };
     };
  
positive.code: 
    vim-haskellConcealPlus = buildVimPluginFrom2Nix {
      pname = "vim-haskellConcealPlus";
      version = "2018-12-26";
      src = fetchFromGitHub {
        owner = "enomsg";
        repo = "vim-haskellConcealPlus";
        rev = "1d64dd2cdd1e99689e3d79e7ada151213acd5450";
        sha256 = "0jsfg941qdpibzcg0ypf0nvabmv1bpwgzgzda7hjy1jcai4yrw1g";
      };
    };
  
  
negative.code: 
    vim-textobj-user = buildVimPluginFrom2Nix {
      pname = "vim-textobj-user";
      version = "2019-10-16";
      src = fetchFromGitHub {
        owner = "kana";
        repo = "vim-textobj-user";
        rev = "9861dc6829a0ce253e40b4d947a9432b58eb499b";
        sha256 = "1gyz6y5f9bf5hnmb54lqmddy3g9y7bc28k9mrqfr49cd9nziywa5";
      };
    };
  
  