anchor.diff:  
     nvim-treesitter = buildVimPluginFrom2Nix {
       pname = "nvim-treesitter";
  -    version = "2020-11-04";
  +    version = "2020-11-13";
       src = fetchFromGitHub {
         owner = "nvim-treesitter";
         repo = "nvim-treesitter";
  -      rev = "6e80f426bf9dc44c14b73d3589c6e19cbe9aa682";
  -      sha256 = "14nprh59sif0kvkdxqw8ij7wnnm4d5zcv4cfgah4y7mj5a99na53";
  +      rev = "1f98c2e92810f02afcd7ce981beac5142e34ea87";
  +      sha256 = "1g9f1w9xghzmy9npf208ywb67wx6ryz6vfl2k0shwk7iym0fxpyp";
       };
       meta.homepage = "https://github.com/nvim-treesitter/nvim-treesitter/";
     };
  
positive.code: 
    fzf-vim = buildVimPluginFrom2Nix {
      pname = "fzf-vim";
      version = "2020-11-03";
      src = fetchFromGitHub {
        owner = "junegunn";
        repo = "fzf.vim";
        rev = "61c4b6d1ed30287edcbfd3dbaed4e43b5c251c93";
        sha256 = "09fx5bg9kaw2zv98vvvx5pix0b0dn06kxk3mq9khiak2liyq96lv";
      };
      meta.homepage = "https://github.com/junegunn/fzf.vim/";
    };
  
negative.code: 
    deoplete-jedi = buildVimPluginFrom2Nix {
      pname = "deoplete-jedi";
      version = "2020-11-07";
      src = fetchFromGitHub {
        owner = "deoplete-plugins";
        repo = "deoplete-jedi";
        rev = "2d61fe45e348f89979c8faf663b3e88c61435f47";
        sha256 = "0qmszwrchp272zc4rf727k9l0x472lxbbql8k2pyj1vd1ks97q1i";
      };
      meta.homepage = "https://github.com/deoplete-plugins/deoplete-jedi/";
    };
  