anchor.diff:  
     clang_complete = buildVimPluginFrom2Nix {
       pname = "clang_complete";
  -    version = "2020-09-02";
  +    version = "2020-09-18";
       src = fetchFromGitHub {
         owner = "xavierd";
         repo = "clang_complete";
  -      rev = "e0f5c246883fb06b6331ff5bec8ef1c3c71af3d4";
  -      sha256 = "0kincdj1l3d552pjnrdjcl72fpln6klc85b01m1sn2b2dlin3xhz";
  +      rev = "293a1062274a06be61797612034bd8d87851406e";
  +      sha256 = "1whipcrr4pcg1bkivq3l753v3f3glbhkdd6wp6f9czspr7hx2h2d";
       };
       meta.homepage = "https://github.com/xavierd/clang_complete/";
     };
  
positive.code: 
    vim-salve = buildVimPluginFrom2Nix {
      pname = "vim-salve";
      version = "2019-11-13";
      src = fetchFromGitHub {
        owner = "tpope";
        repo = "vim-salve";
        rev = "876104d364420a7a11a2d97729dd4ab0a2f8a72e";
        sha256 = "1hj0qg182jv3cwg85rg4z0f8f8hr409is71z7sxhnhjq9fn1h6xj";
      };
      meta.homepage = "https://github.com/tpope/vim-salve/";
    };
  
negative.code: 
    nvim-treesitter = buildVimPluginFrom2Nix {
      pname = "nvim-treesitter";
      version = "2020-09-23";
      src = fetchFromGitHub {
        owner = "nvim-treesitter";
        repo = "nvim-treesitter";
        rev = "98c12ec23a6df2f2f505304b61c4b2eefc0a568f";
        sha256 = "138rsbk2kx929cih6r3rqmgrygamnc1l9kh62pqsrphi28jh5178";
      };
      meta.homepage = "https://github.com/nvim-treesitter/nvim-treesitter/";
    };
  