anchor.diff:  
     iosvkem = buildVimPluginFrom2Nix {
       pname = "iosvkem";
  -    version = "2020-01-18";
  +    version = "2020-06-18";
       src = fetchFromGitHub {
         owner = "neutaaaaan";
         repo = "iosvkem";
  -      rev = "08e36b649c83eece7edbd2e04e42e077aebc78eb";
  -      sha256 = "0jawl7fs6wl3ny9vsmzqv5pnkv5nn6wj1nx7hzgdl41183958pni";
  +      rev = "df359d91510be0c078905568d9033c891a3a2f4b";
  +      sha256 = "0xqh5hr4m6hm2vfms1iqarzhgkmrgx6f5ywyh6qhwkbrdj8q3lyq";
       };
       meta.homepage = "https://github.com/neutaaaaan/iosvkem/";
     };
  
positive.code: 
    vim-jsdoc = buildVimPluginFrom2Nix {
      pname = "vim-jsdoc";
      version = "2020-06-09";
      src = fetchFromGitHub {
        owner = "heavenshell";
        repo = "vim-jsdoc";
        rev = "3b88595805ac7c0499dc05bc8aa5cc7909c6f5b7";
        sha256 = "04yjjcfmaby466krqzmvwg0cb2ydri6pj49x48z15h4s9ac47p66";
      };
      meta.homepage = "https://github.com/heavenshell/vim-jsdoc/";
    };
  
negative.code: 
    ale = buildVimPluginFrom2Nix {
      pname = "ale";
      version = "2020-06-19";
      src = fetchFromGitHub {
        owner = "dense-analysis";
        repo = "ale";
        rev = "4f254988064d075bd3c2e08038b501df4d07b78d";
        sha256 = "15l3j6g3k4s08dbqnav1gns5vc5bxx2r4db6zw7ray26bxi1f2ch";
      };
      meta.homepage = "https://github.com/dense-analysis/ale/";
    };
  