anchor.diff:  
     papercolor-theme = buildVimPluginFrom2Nix {
       pname = "papercolor-theme";
  -    version = "2019-07-07";
  +    version = "2019-11-06";
       src = fetchFromGitHub {
         owner = "NLKNguyen";
         repo = "papercolor-theme";
  -      rev = "20f3b25cdd772d4483eb8ced453f94f93b6126e1";
  -      sha256 = "1yck7f48v9rz7wq2q2b372bv07qmpj562ncwfdiavsgy6wms3p4b";
  +      rev = "ddd09867ed4e020b3ba2eb47dc3ef365da5b0fed";
  +      sha256 = "1dhbnd99xs6l5alqhn9m1nynmr9sbvrqj2137l23ysisprl3rgmr";
       };
     };
   
  
positive.code: 
    vim-startify = buildVimPluginFrom2Nix {
      pname = "vim-startify";
      version = "2019-10-27";
      src = fetchFromGitHub {
        owner = "mhinz";
        repo = "vim-startify";
        rev = "bba214f6b39d782c15f2d97fbc98fd0d18ace909";
        sha256 = "0cmqklc553wqxs72qnwqsp1nchsxi46kfyz01zr5bdxzjg4afyis";
      };
    };
  
  
negative.code: 
    plantuml-syntax = buildVimPluginFrom2Nix {
      pname = "plantuml-syntax";
      version = "2019-11-06";
      src = fetchFromGitHub {
        owner = "aklt";
        repo = "plantuml-syntax";
        rev = "82ff416ce99cc9f69b1af54b8832eaf6cdbeaea6";
        sha256 = "1297h9jipfx2xw5dqh1286g2syv5c18g15644lqn11s62skqxd16";
      };
    };
  
  